{"id":104047,"date":"2025-10-08T17:55:23","date_gmt":"2025-10-08T17:55:23","guid":{"rendered":"https:\/\/discover.restek.com\/?p=104047"},"modified":"2026-09-20T09:29:35","modified_gmt":"2026-09-20T09:29:35","slug":"lc-ms-ms-analysis-pfas-in-milk","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/zh-hans\/application-notes-zh\/lc-ms-ms-analysis-pfas-in-milk\/","title":{"rendered":"\u901a\u8fc7 LC-MS\/MS \u5206\u6790\u725b\u5976\u4e2d\u7684 PFAS"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u6458\u8981<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4e8e\u5168\u6c1f\u548c\u591a\u6c1f\u70f7\u57fa\u7269\u8d28\uff08PFAS\uff09\u5728\u65e5\u5e38\u7528\u54c1\u4e2d\u5e7f\u6cdb\u5e94\u7528\uff0c\u5bfc\u81f4\u8fd9\u4e9b\u5316\u5408\u7269\u5728\u73af\u5883\u4e2d\u4e0d\u65ad\u7d2f\u79ef\u3002\u7531\u4e8e\u8fd9\u4e9b\u5316\u5408\u7269\u666e\u904d\u5b58\u5728\u4e8e\u6c34\u6e90\u548c\u571f\u58e4\u7b49\u73af\u5883\u4ecb\u8d28\u4e2d\uff0c\u5b83\u4eec\u6b63\u901a\u8fc7\u591a\u79cd\u9014\u5f84\u8fdb\u5165\u4f9b\u4eba\u7c7b\u6d88\u8d39\u7684\u98df\u54c1\u4e2d\u3002\u4e73\u5236\u54c1\u725b\u5976\u4fbf\u662f\u53ef\u80fd\u53d7PFAS\u7b49\u73af\u5883\u6c61\u67d3\u7269\u5f71\u54cd\u7684\u98df\u54c1\u4e4b\u4e00\uff0c\u56e0\u6b64\u5efa\u7acb\u5168\u9762\u3001\u7a33\u5b9a\u4e14\u51c6\u786e\u7684\u68c0\u6d4b\u65b9\u6cd5\u5341\u5206\u91cd\u8981\u3002\u672c\u7814\u7a76\u5f00\u53d1\u4e86\u4e00\u79cd\u7075\u654f\u53ef\u9760\u7684LC-MS\/MS\u65b9\u6cd5\uff0c\u7528\u4e8e\u6d4b\u5b9a\u725b\u5976\u4e2d\u7684PFAS\uff0c\u68c0\u6d4b\u9650\u4f4e\u81f30.01 \u03bcg\/kg\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5f15\u8a00<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5168\u6c1f\u548c\u591a\u6c1f\u70f7\u57fa\u7269\u8d28\uff08PFAS\uff09\u662f\u4e00\u7c7b\u7528\u9014\u5e7f\u6cdb\u7684\u4eba\u9020\u6709\u673a\u5316\u5408\u7269\uff0c\u5e94\u7528\u4e8e\u4f17\u591a\u4ea7\u54c1\u548c\u9886\u57df\u3002\u78b3-\u6c1f\u952e\u975e\u5e38\u7a33\u5b9a\uff0c\u4f7f\u5f97\u8fd9\u7c7b\u5316\u5408\u7269\u5728\u73af\u5883\u4e2d\u4e0d\u6613\u964d\u89e3\u3002\u56e0\u6b64\uff0c\u5728\u996e\u7528\u6c34\u3001\u571f\u58e4\u3001\u5e9f\u6c34\u3001\u98df\u54c1\u548c\u751f\u7269\u57fa\u8d28\u4e2d\u5747\u5df2\u68c0\u51fa\u6b64\u7c7b\u5316\u5408\u7269\u3002\u63a5\u89e6PFAS\u53ef\u80fd\u5bfc\u81f4\u591a\u79cd\u6f5c\u5728\u4e0d\u826f\u5065\u5eb7\u5f71\u54cd\uff0c\u5305\u62ec\u80c6\u56fa\u9187\u6c34\u5e73\u5347\u9ad8\u3001\u51fa\u751f\u4f53\u91cd\u4e0b\u964d\u3001\u75ab\u82d7\u6297\u4f53\u53cd\u5e94\u964d\u4f4e\u3001\u80be\u764c\u548c\u777e\u4e38\u764c\u3001\u598a\u5a20\u9ad8\u8840\u538b\uff08\u5148\u5146\u5b50\u75eb\uff09\u4ee5\u53ca\u809d\u9176\u6539\u53d8\u7b49[1]\u3002\u7531\u4e8e\u98df\u54c1\u5df2\u88ab\u786e\u8ba4\u4e3aPFAS\u7684\u66b4\u9732\u9014\u5f84\u4e4b\u4e00\uff0c\u56e0\u6b64\u5efa\u7acb\u7a33\u5065\u3001\u53ef\u9760\u4e14\u7075\u654f\u7684\u65b9\u6cd5\u6765\u76d1\u6d4b\u4f9b\u4eba\u7c7b\u6d88\u8d39\u98df\u54c1\u4e2d\u7684\u8fd9\u4e9b\u5316\u5408\u7269\u81f3\u5173\u91cd\u8981\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5168\u7403\u8d85\u8fc760\u4ebf\u4eba\u6d88\u8d39\u4e73\u5236\u54c1\u725b\u5976\u548c\u5976\u5236\u54c1[2]\uff0c\u56e0\u6b64\u76d1\u6d4b\u8fd9\u4e9b\u4ea7\u54c1\u4e2d\u7684PFAS\u6c61\u67d3\u52bf\u5728\u5fc5\u884c\u3002\u6b27\u6d32\u98df\u54c1\u5b89\u5168\u5c40\uff08EFSA\uff09\u8bc4\u4f30\u4e86\u56db\u79cdPFAS\uff0c\u5b83\u4eec\u5360\u4e0b\u9650\u66b4\u9732\u91cf\u7684\u4e00\u534a\uff1a\u5168\u6c1f\u8f9b\u70f7\u78fa\u9178\uff08PFOS\uff09\u3001\u5168\u6c1f\u8f9b\u9178\uff08PFOA\uff09\u3001\u5168\u6c1f\u5df1\u70f7\u78fa\u9178\uff08PFHxS\uff09\u548c\u5168\u6c1f\u58ec\u9178\uff08PFNA\uff09\u3002\u7814\u7a76\u53d1\u73b0\uff0c\u5e7c\u513f\u548c\u513f\u7ae5\u7684\u66b4\u9732\u91cf\u9ad8\u51fa\u4e24\u500d[3]\uff0c\u8fd9\u53ef\u80fd\u6e90\u4e8e\u4ed6\u4eec\u6444\u5165\u725b\u5976\u53ca\u5176\u4ed6\u76f8\u5173\u98df\u54c1\u3002EFSA\u5efa\u8bae\u5c06\u8fd9\u56db\u79cdPFAS\u7684\u66b4\u9732\u91cf\u9650\u5236\u5728\u6bcf\u5468\u6bcf\u516c\u65a4\u4f53\u91cd\u4e0d\u8d85\u8fc74.4ng[3]\u3002\u5728\u7f8e\u56fd\uff0c\u7f05\u56e0\u5dde\u519c\u4e1a\u4fdd\u62a4\u548c\u6797\u4e1a\u90e8\uff08DACF\uff09\u5c06\u725b\u5976\u4e2dPFOS\u7684\u884c\u52a8\u9608\u503c\u8bbe\u5b9a\u4e3a210ng\/L\uff08\u53730.21 \u03bcg\/kg\uff09[4]\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u7814\u7a76\u5efa\u7acb\u4e86\u4e00\u79cd\u91c7\u7528LC-MS\/MS\u5206\u6790\u725b\u5976\u4e2dPFAS\u7684\u65b9\u6cd5\uff0c\u6db5\u76d6EFSA\u8bc4\u4f30\u7684\u56db\u79cdPFAS\u4ee5\u53ca\u6b27\u76df\u9972\u6599\u548c\u98df\u54c1\u4e2d\u5364\u5316\u6301\u4e45\u6027\u6709\u673a\u6c61\u67d3\u7269\uff08POPs\uff09\u53c2\u8003\u5b9e\u9a8c\u5ba4\uff08EURL\uff09\u6307\u5bfc\u6587\u4ef6\u4e2d\u5217\u51fa\u7684\u5176\u4ed624\u79cd\u5316\u5408\u7269\u3002\u8be5\u6307\u5bfc\u6587\u4ef6\u89c4\u5b9a\uff0cEFSA\u6240\u786e\u5b9a\u7684\u725b\u5976\u4e2d\u56db\u79cdPFAS\u5206\u6790\u7269\u7684\u5b9a\u91cf\u9650\uff08LOQ\uff09\u987b\u4f4e\u81f3\u22640.01 \u03bcg\/kg [5]\u3002\u672c\u5b9e\u9a8c\u91c7\u7528\u8be5\u76ee\u6807LOQ\uff0c\u5e76\u5e94\u7528\u4e8e\u5168\u90e828\u79cdPFAS\u3002\u8be5\u5206\u6790\u7684\u4e00\u4e2a\u6f5c\u5728\u96be\u70b9\u5728\u4e8e\u5171\u63d0\u53d6\u7269\uff08\u5982\u80c6\u6c41\u9178\uff09\u7684\u5b58\u5728\u3002\u80c6\u6c41\u9178\uff08\u725b\u78fa\u718a\u53bb\u6c27\u80c6\u9178\uff08TUDCA\uff09\u3001\u725b\u78fa\u9e45\u53bb\u6c27\u80c6\u9178\uff08TCDCA\uff09\u548c\u725b\u78fa\u53bb\u6c27\u80c6\u9178\uff08TDCA\uff09\uff09\u5728\u751f\u7269\u6e90\u6027\u6837\u54c1\u4e2d\u53ef\u80fd\u4ee5\u9ad8\u6d53\u5ea6\u5b58\u5728\uff0c\u4e14\u4e0ePFOS\u5177\u6709\u76f8\u540c\u7684\u8d28\u91cf\u8dc3\u8fc1\u3002\u4e3a\u51c6\u786e\u5b9a\u91cfPFOS\uff0c\u9700\u5728\u6837\u54c1\u524d\u5904\u7406\u8fc7\u7a0b\u4e2d\u53bb\u9664\u80c6\u6c41\u9178\uff0c\u6216\u901a\u8fc7\u8272\u8c31\u65b9\u6cd5\u5c06\u5176\u4e0ePFOS\u5206\u79bb\u3002\u5728\u672c\u5e94\u7528\u4e2d\uff0c\u5f00\u53d1\u4e86\u4e00\u79cd\u7528\u4e8e\u5206\u6790\u725b\u5976\u4e2d28\u79cdPFAS\u7684\u5de5\u4f5c\u6d41\u7a0b\u3002\u6837\u54c1\u524d\u5904\u7406\u91c7\u7528QuEChERS\u6cd5\u7ed3\u5408dSPE\uff08\u5206\u6563\u56fa\u76f8\u8403\u53d6\uff09\u8fdb\u884c\u3002\u8be5\u5de5\u4f5c\u6d41\u7a0b\u5bf9EFSA\u8bc4\u4f30\u7684\u56db\u79cdPFAS\u5206\u6790\u53d6\u5f97\u4e86\u4f18\u5f02\u7684\u7ed3\u679c\uff0c\u5e76\u4e14\u5bf9\u5927\u591a\u6570\u76ee\u6807\u5316\u5408\u7269\u5747\u8868\u73b0\u51fa\u826f\u597d\u7684\u65b9\u6cd5\u51c6\u786e\u5ea6\u548c\u7cbe\u5bc6\u5ea6\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9e\u9a8c\u90e8\u5206<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8272\u8c31\u65b9\u6cd5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u91c7\u7528 Waters ACQUITY Premier \u7cfb\u7edf\uff0c\u914d\u5907 Waters XEVO TQ Absolute \u4e09\u91cd\u56db\u6781\u6746\u8d28\u8c31\u4eea\uff0c\u8fdb\u884c\u725b\u5976\u4e2d PFAS \u7684 LC-MS\/MS \u5206\u6790\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u6df7\u5408\u5668\u4e0e\u8fdb\u6837\u5668\u4e4b\u95f4\u5b89\u88c5\u4e86\u4e00\u6839 PFAS \u5ef6\u8fdf\u67f1\uff0c\u4ee5\u9632\u6b62\u8fdb\u6837\u5668\u4e0a\u6e38\u53ef\u80fd\u5b58\u5728\u7684 PFAS \u6c61\u67d3\u4e0e\u6837\u54c1\u4e2d\u7684PFAS \u5171\u6d17\u8131\u3002\u65b9\u6cd5\u6761\u4ef6\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8272\u8c31\u67f1:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5206\u6790\u67f1: Force C18, 50 mm x 2.1 mm, 3 \u03bcm (\u8d27\u53f79634352)<\/li>\n\n\n\n<li>\u4fdd\u62a4\u67f1\u82af: Force C18 EXP, 5 mm x 2.1 mm (\u8d27\u53f7 963450252)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">PFAS\u5ef6\u8fdf\u67f1, 50 mm x 2.1 mm, 5 \u03bcm (\u8d27\u53f7 27854)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fdb\u6837\u91cf: 5 \u00b5L<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d41\u52a8\u76f8 A: \u6c34\u542b5 mM \u4e59\u9178\u94f5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d41\u52a8\u76f8 B: \u7532\u9187 : \u4e59\u8148 (50:50)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d41\u901f: 0.6 mL\/min<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u67f1\u6e29: 50 \u00b0C<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u68af\u5ea6:\u00a0\u00a0<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>\u65f6\u95f4 (min)<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>%B<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">0.00<\/td><td class=\"has-text-align-center\" data-align=\"center\">5<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">3.00<\/td><td class=\"has-text-align-center\" data-align=\"center\">40<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">9.00<\/td><td class=\"has-text-align-center\" data-align=\"center\">70<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">9.50<\/td><td class=\"has-text-align-center\" data-align=\"center\">95<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">10.50<\/td><td class=\"has-text-align-center\" data-align=\"center\">100<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">11.00<\/td><td class=\"has-text-align-center\" data-align=\"center\">100<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">11.01<\/td><td class=\"has-text-align-center\" data-align=\"center\">5<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">13.00<\/td><td class=\"has-text-align-center\" data-align=\"center\">5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u79bb\u5b50\u5316\u65b9\u5f0f: ESI-<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u626b\u63cf\u6a21\u5f0f: \u65f6\u95f4\u5206\u6bb5MRM<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6837\u54c1\u4e0e\u6807\u51c6\u54c1\u5236\u5907<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u6709\u4ea7\u54c1\u548c\u6eb6\u5242\u5728\u4f7f\u7528\u524d\u5747\u7ecfPFAS\u6c61\u67d3\u68c0\u6d4b\u3002\u725b\u5976\u6837\u54c1\u4e3a\u5f53\u5730\u91c7\u8d2d\uff0c\u5305\u62ec\u51cf\u8102\u725b\u5976\uff08\u6837\u54c11\uff09\u3001\u8131\u8102\u725b\u5976\uff08\u6837\u54c12\uff09\u548c\u4f4e\u8102\u725b\u5976\uff08\u6837\u54c13\uff09\u3002\u79f0\u53d610\u514b\u725b\u5976\u6837\u54c1\u4e8e50 mL\u79bb\u5fc3\u7ba1\uff08\u8d27\u53f725846\uff09\u4e2d\uff0c\u5206\u522b\u6dfb\u52a00.01\u62160.05 \u03bcg\/kg\u7684\u52a0\u6807\u6c34\u5e73\u3002\u5411\u6837\u54c1\u4e2d\u52a0\u5165\u540c\u4f4d\u7d20\u6807\u8bb0\u5185\u6807\u81f30.1 \u03bcg\/kg\uff0c\u77ed\u6682\u6da1\u65cb\u6df7\u5300\u3002\u52a0\u5165\u4e59\u8148\uff0810 mL\uff09\u3001\u7532\u9178\uff08150 \u03bcL\uff09\u548cQ-sep QuEChERS\u8403\u53d6\u76d0\u5305\uff08\u8d27\u53f725847\uff09\uff0c\u6da1\u65cb\u7ea630\u79d2\u3002\u5c06\u6837\u54c1\u8f6c\u79fb\u81f3\u632f\u8361\u5668\u4e0a\u632f\u836110\u5206\u949f\uff0c\u968f\u540e\u4ee54200 rpm\u79bb\u5fc35\u5206\u949f\u3002\u53d6\u4e0a\u6e05\u6db2\u5206\u88c5\u81f3\u542b900 mg MgSO\u2084\u3001300 mg PSA\u3001150 mg GCB\u7684Q-sep QuEChERS dSPE 15 mL\u79bb\u5fc3\u7ba1\uff08\u8d27\u53f726126\uff09\u4e2d\uff0c\u6da1\u65cb\u7ea630\u79d2\uff0c\u518d\u4ee54200 rpm\u79bb\u5fc35\u5206\u949f\u3002\u53d6\u4e0a\u6e05\u6db2\uff086 mL\uff09\u5206\u88c5\u81f3\u6d01\u51c0\u768415 mL\u79bb\u5fc3\u7ba1\u4e2d\uff0c\u4e8e35 \u00b0C\u4e0b\u4f7f\u7528\u6c2e\u5439\u84b8\u53d1\u4eea\u5439\u5e7290\u5206\u949f\u3002\u6837\u54c1\u7528\u7532\u9187:\u6c34\uff0860:40\uff09\uff08400 \u03bcL\uff09\u590d\u6eb6\uff0c\u6da1\u65cb\u7ea630\u79d2\uff0c\u4ee54200 rpm\u79bb\u5fc35\u5206\u949f\u3002\u53d6\u4e0a\u6e05\u6db2\u5206\u88c5\u81f3\u805a\u4e19\u70ef\u6837\u54c1\u74f6\uff08\u8d27\u53f723243\uff09\u4e2d\uff0c\u7528\u805a\u4e59\u70ef\u87ba\u53e3\u76d6\uff08\u8d27\u53f723244\uff09\u5bc6\u5c01\uff0c\u8fdb\u68375 \u03bcL\u8fdb\u884c\u5206\u6790\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de5\u4f5c\u6821\u51c6\u6807\u51c6\u54c1\u4f7f\u7528Restek\u7684PFAS 28\u79cd\u6821\u51c6\u6807\u51c6\u54c1\uff08\u8d27\u53f730734\uff09\u5236\u5907\uff0c\u5176\u4ed6PFAS\u6807\u51c6\u54c1\u5355\u72ec\u83b7\u53d6\u3002\u5c06\u6807\u51c6\u54c1\u5206\u88c5\u81f3\u805a\u4e19\u70ef\u6db2\u76f8\u6837\u54c1\u74f6\u4e2d\uff0c\u752860:40\u7684\u7532\u9187:\u6c34\u7a00\u91ca\u81f3\u6d53\u5ea6\u4e3a0.03\u201350 ng\/mL\u3002\u6bcf\u6761\u6821\u51c6\u66f2\u7ebf\u5305\u542b\u4e03\u4e2a\u6216\u516b\u4e2a\u6d53\u5ea6\u6c34\u5e73\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u5206\u6790\u7269\u7684\u7075\u654f\u5ea6\u3002\u5185\u6807\u4ee51.5 ng\/mL\u7684\u6d53\u5ea6\u52a0\u6807\u81f3\u6821\u51c6\u6807\u51c6\u54c1\u4e2d\u3002\u5b9a\u91cf\u91c7\u7528\u6eb6\u5242\u6821\u51c6\u7ed3\u5408\u540c\u4f4d\u7d20\u7a00\u91ca\u6cd5\u8fdb\u884c\u3002\u5404\u76ee\u6807\u5206\u6790\u7269\u7684MRM\u79bb\u5b50\u5bf9\u53ca\u5176\u5bf9\u5e94\u4f7f\u7528\u7684\u540c\u4f4d\u7d20\u5185\u6807\u5217\u4e8e\u8868I\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868 I\uff1a\u7528\u4e8e LC-MS\/MS \u5206\u6790\u725b\u5976\u4e2d PFAS \u7684\u6bcd\u79bb\u5b50\u3001\u5b50\u79bb\u5b50\u548c\u540c\u4f4d\u7d20\u6807\u8bb0\u5185\u6807<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-background has-fixed-layout\" style=\"background-color:#ced4d9;border-width:1px\"><thead><tr><th><strong>\u5316\u5408\u7269<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>\u6bcd\u79bb\u5b50 1<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>\u5b50\u79bb\u5b50 1<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>\u6bcd\u79bb\u5b50 2<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>\u5b50\u79bb\u5b50 2<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>\u5185\u6807<\/strong><\/th><\/tr><\/thead><tbody><tr><td>PFBA<\/td><td class=\"has-text-align-center\" data-align=\"center\">212.94<\/td><td class=\"has-text-align-center\" data-align=\"center\">168.89<\/td><td class=\"has-text-align-center\" data-align=\"center\">NA<\/td><td class=\"has-text-align-center\" data-align=\"center\">NA<\/td><td class=\"has-text-align-center\" data-align=\"center\">M4PFBA<\/td><\/tr><tr><td>PFPeA<\/td><td class=\"has-text-align-center\" data-align=\"center\">262.93<\/td><td class=\"has-text-align-center\" data-align=\"center\">218.89<\/td><td class=\"has-text-align-center\" data-align=\"center\">NA<\/td><td class=\"has-text-align-center\" data-align=\"center\">NA<\/td><td class=\"has-text-align-center\" data-align=\"center\">M5PFPeA<\/td><\/tr><tr><td>PFHxA<\/td><td class=\"has-text-align-center\" data-align=\"center\">313.10<\/td><td class=\"has-text-align-center\" data-align=\"center\">119.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">313.10<\/td><td class=\"has-text-align-center\" data-align=\"center\">268.88<\/td><td class=\"has-text-align-center\" data-align=\"center\">M5PFHxA<\/td><\/tr><tr><td>PFHpA<\/td><td class=\"has-text-align-center\" data-align=\"center\">363.16<\/td><td class=\"has-text-align-center\" data-align=\"center\">169.06<\/td><td class=\"has-text-align-center\" data-align=\"center\">363.16<\/td><td class=\"has-text-align-center\" data-align=\"center\">319.09<\/td><td class=\"has-text-align-center\" data-align=\"center\">M4PFHpA<\/td><\/tr><tr><td>PFOA<\/td><td class=\"has-text-align-center\" data-align=\"center\">413.10<\/td><td class=\"has-text-align-center\" data-align=\"center\">168.90<\/td><td class=\"has-text-align-center\" data-align=\"center\">413.10<\/td><td class=\"has-text-align-center\" data-align=\"center\">368.96<\/td><td class=\"has-text-align-center\" data-align=\"center\">M8PFOA<\/td><\/tr><tr><td>PFNA<\/td><td class=\"has-text-align-center\" data-align=\"center\">463.10<\/td><td class=\"has-text-align-center\" data-align=\"center\">219.02<\/td><td class=\"has-text-align-center\" data-align=\"center\">463.10<\/td><td class=\"has-text-align-center\" data-align=\"center\">419.01<\/td><td class=\"has-text-align-center\" data-align=\"center\">M9PFNA<\/td><\/tr><tr><td>PFDA<\/td><td class=\"has-text-align-center\" data-align=\"center\">513.17<\/td><td class=\"has-text-align-center\" data-align=\"center\">219.06<\/td><td class=\"has-text-align-center\" data-align=\"center\">513.17<\/td><td class=\"has-text-align-center\" data-align=\"center\">469.16<\/td><td class=\"has-text-align-center\" data-align=\"center\">M6PFDA<\/td><\/tr><tr><td>PFUnDA<\/td><td class=\"has-text-align-center\" data-align=\"center\">562.78<\/td><td class=\"has-text-align-center\" data-align=\"center\">268.82<\/td><td class=\"has-text-align-center\" data-align=\"center\">562.78<\/td><td class=\"has-text-align-center\" data-align=\"center\">518.80<\/td><td class=\"has-text-align-center\" data-align=\"center\">M7-PFUnDA<\/td><\/tr><tr><td>PFDoA<\/td><td class=\"has-text-align-center\" data-align=\"center\">612.52<\/td><td class=\"has-text-align-center\" data-align=\"center\">318.90<\/td><td class=\"has-text-align-center\" data-align=\"center\">612.52<\/td><td class=\"has-text-align-center\" data-align=\"center\">568.80<\/td><td class=\"has-text-align-center\" data-align=\"center\">M2-PFDoA<\/td><\/tr><tr><td>PFTrDA<\/td><td class=\"has-text-align-center\" data-align=\"center\">662.78<\/td><td class=\"has-text-align-center\" data-align=\"center\">168.87<\/td><td class=\"has-text-align-center\" data-align=\"center\">662.78<\/td><td class=\"has-text-align-center\" data-align=\"center\">618.74<\/td><td class=\"has-text-align-center\" data-align=\"center\">M2-PFTeDA<\/td><\/tr><tr><td>PFTeDA<\/td><td class=\"has-text-align-center\" data-align=\"center\">712.78<\/td><td class=\"has-text-align-center\" data-align=\"center\">168.87<\/td><td class=\"has-text-align-center\" data-align=\"center\">712.78<\/td><td class=\"has-text-align-center\" data-align=\"center\">668.74<\/td><td class=\"has-text-align-center\" data-align=\"center\">M2-PFTeDA<\/td><\/tr><tr><td>PFBS<\/td><td class=\"has-text-align-center\" data-align=\"center\">298.97<\/td><td class=\"has-text-align-center\" data-align=\"center\">79.97<\/td><td class=\"has-text-align-center\" data-align=\"center\">298.97<\/td><td class=\"has-text-align-center\" data-align=\"center\">98.89<\/td><td class=\"has-text-align-center\" data-align=\"center\">M3PFBS<\/td><\/tr><tr><td>PFPeS<\/td><td class=\"has-text-align-center\" data-align=\"center\">349.10<\/td><td class=\"has-text-align-center\" data-align=\"center\">79.98<\/td><td class=\"has-text-align-center\" data-align=\"center\">349.10<\/td><td class=\"has-text-align-center\" data-align=\"center\">98.98<\/td><td class=\"has-text-align-center\" data-align=\"center\">M5PFHxA<\/td><\/tr><tr><td>PFHxS<\/td><td class=\"has-text-align-center\" data-align=\"center\">398.80<\/td><td class=\"has-text-align-center\" data-align=\"center\">79.82<\/td><td class=\"has-text-align-center\" data-align=\"center\">398.80<\/td><td class=\"has-text-align-center\" data-align=\"center\">98.82<\/td><td class=\"has-text-align-center\" data-align=\"center\">M3PFHxS<\/td><\/tr><tr><td>PFHpS<\/td><td class=\"has-text-align-center\" data-align=\"center\">448.78<\/td><td class=\"has-text-align-center\" data-align=\"center\">79.82<\/td><td class=\"has-text-align-center\" data-align=\"center\">448.78<\/td><td class=\"has-text-align-center\" data-align=\"center\">98.82<\/td><td class=\"has-text-align-center\" data-align=\"center\">M9PFNA<\/td><\/tr><tr><td>PFOS<\/td><td class=\"has-text-align-center\" data-align=\"center\">498.78<\/td><td class=\"has-text-align-center\" data-align=\"center\">79.89<\/td><td class=\"has-text-align-center\" data-align=\"center\">498.78<\/td><td class=\"has-text-align-center\" data-align=\"center\">98.82<\/td><td class=\"has-text-align-center\" data-align=\"center\">M8PFOS<\/td><\/tr><tr><td>PFNS<\/td><td class=\"has-text-align-center\" data-align=\"center\">548.65<\/td><td class=\"has-text-align-center\" data-align=\"center\">79.89<\/td><td class=\"has-text-align-center\" data-align=\"center\">548.65<\/td><td class=\"has-text-align-center\" data-align=\"center\">98.82<\/td><td class=\"has-text-align-center\" data-align=\"center\">M7-PFUnDA<\/td><\/tr><tr><td>PFDS<\/td><td class=\"has-text-align-center\" data-align=\"center\">598.78<\/td><td class=\"has-text-align-center\" data-align=\"center\">98.82<\/td><td class=\"has-text-align-center\" data-align=\"center\">598.79<\/td><td class=\"has-text-align-center\" data-align=\"center\">79.89<\/td><td class=\"has-text-align-center\" data-align=\"center\">M2-PFDoA<\/td><\/tr><tr><td>PFUnDS<\/td><td class=\"has-text-align-center\" data-align=\"center\">648.65<\/td><td class=\"has-text-align-center\" data-align=\"center\">79.88<\/td><td class=\"has-text-align-center\" data-align=\"center\">648.65<\/td><td class=\"has-text-align-center\" data-align=\"center\">98.82<\/td><td class=\"has-text-align-center\" data-align=\"center\">M2-PFDoA<\/td><\/tr><tr><td>PFTrDS<\/td><td class=\"has-text-align-center\" data-align=\"center\">748.59<\/td><td class=\"has-text-align-center\" data-align=\"center\">79.88<\/td><td class=\"has-text-align-center\" data-align=\"center\">748.90<\/td><td class=\"has-text-align-center\" data-align=\"center\">98.88<\/td><td class=\"has-text-align-center\" data-align=\"center\">M2-PFTeDA<\/td><\/tr><tr><td>PFDoS<\/td><td class=\"has-text-align-center\" data-align=\"center\">698.71<\/td><td class=\"has-text-align-center\" data-align=\"center\">79.89<\/td><td class=\"has-text-align-center\" data-align=\"center\">698.71<\/td><td class=\"has-text-align-center\" data-align=\"center\">98.88<\/td><td class=\"has-text-align-center\" data-align=\"center\">M2-PFTeDA<\/td><\/tr><tr><td>FOSA<\/td><td class=\"has-text-align-center\" data-align=\"center\">497.75<\/td><td class=\"has-text-align-center\" data-align=\"center\">77.87<\/td><td class=\"has-text-align-center\" data-align=\"center\">497.75<\/td><td class=\"has-text-align-center\" data-align=\"center\">477.76<\/td><td class=\"has-text-align-center\" data-align=\"center\">M7-PFUnDA<\/td><\/tr><tr><td>ADONA<\/td><td class=\"has-text-align-center\" data-align=\"center\">376.90<\/td><td class=\"has-text-align-center\" data-align=\"center\">84.97<\/td><td class=\"has-text-align-center\" data-align=\"center\">376.90<\/td><td class=\"has-text-align-center\" data-align=\"center\">250.93<\/td><td class=\"has-text-align-center\" data-align=\"center\">M4PFHpA<\/td><\/tr><tr><td>HFPO-Da<\/td><td class=\"has-text-align-center\" data-align=\"center\">284.87<\/td><td class=\"has-text-align-center\" data-align=\"center\">168.89<\/td><td class=\"has-text-align-center\" data-align=\"center\">284.87<\/td><td class=\"has-text-align-center\" data-align=\"center\">184.83<\/td><td class=\"has-text-align-center\" data-align=\"center\">M5PFHxA<\/td><\/tr><tr><td>9Cl-PF3ONS<\/td><td class=\"has-text-align-center\" data-align=\"center\">530.78<\/td><td class=\"has-text-align-center\" data-align=\"center\">350.85<\/td><td class=\"has-text-align-center\" data-align=\"center\">532.84<\/td><td class=\"has-text-align-center\" data-align=\"center\">352.78<\/td><td class=\"has-text-align-center\" data-align=\"center\">M7-PFUnDA<\/td><\/tr><tr><td>11Cl-PF3OUdS<\/td><td class=\"has-text-align-center\" data-align=\"center\">630.71<\/td><td class=\"has-text-align-center\" data-align=\"center\">450.81<\/td><td class=\"has-text-align-center\" data-align=\"center\">632.71<\/td><td class=\"has-text-align-center\" data-align=\"center\">452.81<\/td><td class=\"has-text-align-center\" data-align=\"center\">M2-PFDoA<\/td><\/tr><tr><td>Capstone A<\/td><td class=\"has-text-align-center\" data-align=\"center\">526.90<\/td><td class=\"has-text-align-center\" data-align=\"center\">180.96<\/td><td class=\"has-text-align-center\" data-align=\"center\">526.90<\/td><td class=\"has-text-align-center\" data-align=\"center\">506.91<\/td><td class=\"has-text-align-center\" data-align=\"center\">M9PFNA<\/td><\/tr><tr><td>Capstone B<\/td><td class=\"has-text-align-center\" data-align=\"center\">568.81<\/td><td class=\"has-text-align-center\" data-align=\"center\">548.85<\/td><td class=\"has-text-align-center\" data-align=\"center\">568.81<\/td><td class=\"has-text-align-center\" data-align=\"center\">548.90<\/td><td class=\"has-text-align-center\" data-align=\"center\">M9PFNA<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u679c\u4e0e\u8ba8\u8bba<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u8272\u8c31\u5206\u79bb\u6027\u80fd<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u5206\u6790\u7ec4\u7ec7\u6837\u54c1\u4e2d\u7684PFAS\u65f6\uff0c\u901a\u5e38\u5b58\u5728\u80c6\u6c41\u9178\u5e72\u6270\u7684\u95ee\u9898\u3002\u725b\u78fa\u8131\u6c27\u80c6\u9178\uff08TDCA\uff09\u662f\u4e00\u79cd\u5728\u809d\u810f\u4e2d\u5f62\u6210\u7684\u5185\u6e90\u6027\u80c6\u6c41\u9178\uff0c\u53ef\u4ee5\u5728\u751f\u7269\u6837\u54c1\u4e2d\u88ab\u9ad8\u6d53\u5ea6\u68c0\u6d4b\u5230\u3002\u8fd9\u79cd\u5316\u5408\u7269\u4e0e\u725b\u78fa\u9178\u53bb\u6c27\u80c6\u9178\uff08TUDCA\uff09 \u548c\u725b\u78fa\u9178\u9e45\u53bb\u6c27\u80c6\u9178 \uff08TCDCA\uff09 \u4e00\u8d77\uff0c\u90fd\u4e0ePFOS\u5177\u6709\u76f8\u540c\u7684MRM\u79bb\u5b50\u5bf9\uff08499\u219280\uff09\uff0c\u5e76\u4e14\u4e5f\u53ef\u80fd\u5e72\u6270FOSA\u3002\u56e0\u6b64\uff0c\u8981\u4e48\u9700\u8981\u4ece\u6837\u54c1\u4e2d\u53bb\u9664\u80c6\u6c41\u9178\uff0c\u8981\u4e48\u9700\u8981\u5c06\u5176\u4e0e\u53d7\u5f71\u54cd\u7684\u5316\u5408\u7269\u5b9e\u73b0\u8272\u8c31\u5206\u79bb\u3002\u4ece\u6837\u54c1\u4e2d\u9009\u62e9\u6027\u5730\u53bb\u9664\u80c6\u6c41\u9178\u800c\u4e0d\u5f71\u54cd\u76ee\u6807\u5206\u6790\u7269\u662f\u975e\u5e38\u5177\u6709\u6311\u6218\u7684;\u56e0\u6b64\uff0c\u672c\u6587\u91c7\u7528\u5c06\u80c6\u6c41\u9178\u4e0e\u76ee\u6807\u5f85\u6d4b\u7269\u8272\u8c31\u5206\u79bb\u7684\u65b9\u5f0f\u5206\u6790\u725b\u5976\u6837\u54c1\u4e2d\u7684PFAS\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u5bf9\u7532\u9187\u548c\u4e59\u8148\u5747\u4f5c\u4e3a\u6709\u673a\u6d41\u52a8\u76f8\u8fdb\u884c\u4e86\u6d4b\u8bd5\u3002\u9996\u5148\u91c7\u7528\u5feb\u901f\u68af\u5ea6\u5bf9\u7532\u9187\u8fdb\u884c\u6d4b\u8bd5\uff0c\u7ed3\u679c\u8868\u660e\u4f7f\u7528\u8be5\u6709\u673a\u6d41\u52a8\u76f8\u9700\u8981\u6295\u5165\u66f4\u591a\u7684\u8d44\u6e90\u8fdb\u884c\u65b9\u6cd5\u5f00\u53d1\uff0c\u624d\u80fd\u6709\u671b\u89e3\u51b3\u5e72\u6270\u95ee\u9898\u3002\u4f7f\u7528\u4e59\u8148\u65f6\uff0c\u5728\u5feb\u901f\u68af\u5ea6\u6761\u4ef6\u4e0b\uff0c\u4e09\u79cd\u80c6\u6c41\u9178\u5747\u80fd\u8f7b\u677e\u4e0ePFOS\u5b9e\u73b0\u5206\u79bb\uff0c\u4f46\u90e8\u5206PFAS\u7684\u7075\u654f\u5ea6\u76f8\u6bd4\u4f7f\u7528\u7532\u9187\u65f6\u6709\u6240\u964d\u4f4e\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u91c7\u7528\u4e86\u4e24\u79cd\u6709\u673a\u6539\u6027\u5242\u768450:50\u6df7\u5408\u6eb6\u6db2\uff0c\u8be5\u6bd4\u4f8b\u5728\u4fdd\u8bc1\u826f\u597d\u7075\u654f\u5ea6\u7684\u540c\u65f6\uff0c\u4e5f\u80fd\u5b9e\u73b0\u80c6\u6c41\u9178\u4e0ePFOS\u7684\u826f\u597d\u5206\u79bb\u3002\u7528\u4e8e\u725b\u5976\u4e2dPFAS\u5206\u6790\u7684\u6700\u7ec8LC-MS\/MS\u65b9\u6cd5\u5373\u4f7f\u7528\u7532\u9187\u548c\u4e59\u8148\u768450:50\u6df7\u5408\u6eb6\u6db2\u4f5c\u4e3a\u6709\u673a\u6d41\u52a8\u76f8\uff0c\u5177\u4f53\u6761\u4ef6\u89c1\u56fe1\u3002<\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article-top\"><div class=\"chromatogram-article-placeholder\"><div class=\"figure-heading\">\u56fe 1: \u4e0a\u56fe: 28 \u79cd PFAS \u548c\u5185\u6807\u7684\u8272\u8c31\u56fe\uff08\u53d7\u80c6\u6c41\u9178\u5171\u6d17\u8131\u5f71\u54cd\u7684 PFAS \u4e3a PFOS \u548c FOSA)\u3002<br>\u4e0b\u56fe\uff1a\u4f7f\u7528\u76f8\u540c\u8272\u8c31\u6761\u4ef6\u5206\u6790\u7684\u4e09\u79cd\u80c6\u6c41\u9178\u7684\u8272\u8c31\u56fe\u3002<\/div><div class='chromatogram-article-inner-full'><div class=\"chromatogram-article-inner\">\n<div class=\"wp-block-custom-chromatogram-article\"><div class=\"wp-block-custom-chromatogram-article\"><div class=\"chromatogram-image regular-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ff0630.png\" alt=\"PFAS in Milk Fortified at 0.01 \u03bcg\/kg on Force C18 by LC-MS\/MS\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> LC_FF0630<\/p><div class=\"chromatogram-peaks\"><h4>Peaks<\/h4><table class=\"peaks col-lg-6 col-12 peak-50\">\n<thead><tr><th><\/th><th style=\"text-align: left;width: 75px\">Peaks<\/th><th style=\"text-align: center;width: 75px\">Precursor Ion 1<\/th><th style=\"text-align: center;width: 75px\">Product Ion<\/th><\/tr><\/thead>\n<tbody><tr><td class=\"num\">1.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorobutanoic acid (PFBA)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/375-22-4\/Perfluorobutanoic acid\" target=\"_blank\" rel=\"noopener\">Perfluorobutanoic acid (PFBA)<\/a><\/td><td class=\"oth\">212.94<\/td><td class=\"oth\">168.89<\/td><\/tr>\n<tr><td class=\"num\">2.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluoropentanoic acid (PFPeA)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/2706-90-3\/Perfluoropentanoic acid\" target=\"_blank\" rel=\"noopener\">Perfluoropentanoic acid (PFPeA)<\/a><\/td><td class=\"oth\">262.93<\/td><td class=\"oth\">218.89<\/td><\/tr>\n<tr><td class=\"num\">3.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorobutane sulfonic acid (PFBS)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/375-73-5\/Perfluorobutane sulfonic acid\" target=\"_blank\" rel=\"noopener\">Perfluorobutane sulfonic acid (PFBS)<\/a><\/td><td class=\"oth\">298.96<\/td><td class=\"oth\">79.97<\/td><\/tr>\n<tr><td class=\"num\">4.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorohexanoic acid (PFHxA)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/307-24-4\/Perfluorohexanoic acid\" target=\"_blank\" rel=\"noopener\">Perfluorohexanoic acid (PFHxA)<\/a><\/td><td class=\"oth\">313.09<\/td><td class=\"oth\">119.03<\/td><\/tr>\n<tr><td class=\"num\">5.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Hexafluoropropylene oxide dimer acid (HFPO-DA)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/13252-13-6\/Hexafluoropropylene oxide dimer acid\" target=\"_blank\" rel=\"noopener\">Hexafluoropropylene oxide dimer acid (HFPO-DA)<\/a><\/td><td class=\"oth\">284.86<\/td><td class=\"oth\">168.88<\/td><\/tr>\n<tr><td class=\"num\">6.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluoropentane sulfonic acid (PFPeS)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/2706-91-4\/Perfluoropentane sulfonic acid\" target=\"_blank\" rel=\"noopener\">Perfluoropentane sulfonic acid (PFPeS)<\/a><\/td><td class=\"oth\">349.10<\/td><td class=\"oth\">79.98<\/td><\/tr>\n<tr><td class=\"num\">7.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluoroheptanoic acid (PFHpA)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/375-85-9\/Perfluoroheptanoic acid\" target=\"_blank\" rel=\"noopener\">Perfluoroheptanoic acid (PFHpA)<\/a><\/td><td class=\"oth\">363.15<\/td><td class=\"oth\">169.06<\/td><\/tr>\n<tr><td class=\"num\">8.<\/td><td class=\"cmpd\">&lt;a class=&quot;cmpd_link&quot; title=&quot;View compound information for Ammonium 4,8-dioxa-3<i>H<\/i>-perfluorononanoate (ADONA)&#8221; title=&#8221;View compound information for Ammonium 4,8-dioxa-3<i>H<\/i>-perfluorononanoate (ADONA)&#8221; href=&#8221;https:\/\/ez.restek.com\/compound\/view\/en\/919005-14-4\/Ammonium 4,8-dioxa-3<i>H-perfluorononanoate&#8221;&gt;Ammonium 4,8-dioxa-3<i>H<\/i>-perfluorononanoate (ADONA)<\/a><\/td><td class=\"oth\">376.90<\/td><td class=\"oth\">84.97<\/td><\/tr>\n<tr><td class=\"num\">9.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorohexane sulfonic acid (PFHxS)\t\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/355-46-4\/Perfluorohexane sulfonic acid (PFHxS)\t\" target=\"_blank\" rel=\"noopener\">Perfluorohexane sulfonic acid (PFHxS)\t<\/a><\/td><td class=\"oth\">398.80<\/td><td class=\"oth\">79.82<\/td><\/tr>\n<tr><td class=\"num\">10.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorooctanoic acid (PFOA)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/335-67-1\/Perfluorooctanoic acid\" target=\"_blank\" rel=\"noopener\">Perfluorooctanoic acid (PFOA)<\/a><\/td><td class=\"oth\">413.09<\/td><td class=\"oth\">168.90<\/td><\/tr>\n<tr><td class=\"num\">11.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluoroheptane sulfonic acid (PFHpS)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/375-92-8\/Perfluoroheptane sulfonic acid\" target=\"_blank\" rel=\"noopener\">Perfluoroheptane sulfonic acid (PFHpS)<\/a><\/td><td class=\"oth\">448.78<\/td><td class=\"oth\">79.82<\/td><\/tr>\n<tr><td class=\"num\">12.<\/td><td class=\"cmpd\">&lt;a class=&quot;cmpd_link&quot; title=&quot;View compound information for 1-Propanaminium, <i>N<\/i>-(carboxymethyl)-<i>N,N<\/i>-dimethyl-3-[[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)sulfonyl]amino]-, hydroxide (Capstone B)&#8221; title=&#8221;View compound information for 1-Propanaminium, <i>N<\/i>-(carboxymethyl)-<i>N,N<\/i>-dimethyl-3-[[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)sulfonyl]amino]-, hydroxide (Capstone B)&#8221; href=&#8221;https:\/\/ez.restek.com\/compound\/view\/en\/34455-29-3\/1-Propanaminium, <i>N-(carboxymethyl)-<i>N,N-dimethyl-3-[[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)sulfonyl]amino]-, hydroxide&#8221;&gt;1-Propanaminium, <i>N<\/i>-(carboxymethyl)-<i>N,N<\/i>-dimethyl-3-[[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)sulfonyl]amino]-, hydroxide (Capstone B)<\/a><\/td><td class=\"oth\">568.81<\/td><td class=\"oth\">548.85<\/td><\/tr>\n<tr><td class=\"num\">13.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorononanoic acid (PFNA)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/375-95-1\/Perfluorononanoic acid\" target=\"_blank\" rel=\"noopener\">Perfluorononanoic acid (PFNA)<\/a><\/td><td class=\"oth\">463.09<\/td><td class=\"oth\">219.01<\/td><\/tr>\n<tr><td class=\"num\">14.<\/td><td class=\"cmpd\">&lt;a class=&quot;cmpd_link&quot; title=&quot;View compound information for 1-Propanaminium, <i>N,N<\/i>-dimethyl-<i>N<\/i>-oxide-3-[[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)sulfonyl]amino]-, hydroxide (Capstone A)&#8221; title=&#8221;View compound information for 1-Propanaminium, <i>N,N<\/i>-dimethyl-<i>N<\/i>-oxide-3-[[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)sulfonyl]amino]-, hydroxide (Capstone A)&#8221; href=&#8221;https:\/\/ez.restek.com\/compound\/view\/en\/80475-32-7\/1-Propanaminium, <i>N,N-dimethyl-<i>N-oxide-3-[[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)sulfonyl]amino]-, hydroxide&#8221;&gt;1-Propanaminium, <i>N,N<\/i>-dimethyl-<i>N<\/i>-oxide-3-[[(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)sulfonyl]amino]-, hydroxide (Capstone A)<\/a><\/td><td class=\"oth\">526.90<\/td><td class=\"oth\">180.96<\/td><\/tr>\n<\/tbody><\/table>\n<table class=\"peaks col-lg-6 col-12 peak-50\"><thead><tr><th><\/th><th style=\"text-align: left;width: 75px\">Peaks<\/th><th style=\"text-align: center;width: 75px\">Precursor Ion 1<\/th><th style=\"text-align: center;width: 75px\">Product Ion<\/th><\/tr><\/thead><tbody>\n<tr><td class=\"num\">15.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorooctane sulfonic acid (PFOS)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/1763-23-1\/Perfluorooctane sulfonic acid\" target=\"_blank\" rel=\"noopener\">Perfluorooctane sulfonic acid (PFOS)<\/a><\/td><td class=\"oth\">498.78<\/td><td class=\"oth\">79.89<\/td><\/tr>\n<tr><td class=\"num\">16.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorodecanoic acid (PFDA)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/335-76-2\/Perfluorodecanoic acid\" target=\"_blank\" rel=\"noopener\">Perfluorodecanoic acid (PFDA)<\/a><\/td><td class=\"oth\">513.16<\/td><td class=\"oth\">219.06<\/td><\/tr>\n<tr><td class=\"num\">17.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for 9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/756426-58-1\/9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid\" target=\"_blank\" rel=\"noopener\">9-chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)<\/a><\/td><td class=\"oth\">530.77<\/td><td class=\"oth\">350.85<\/td><\/tr>\n<tr><td class=\"num\">18.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorononane sulfonic acid (PFNS)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/68259-12-1\/Perfluorononane sulfonic acid\" target=\"_blank\" rel=\"noopener\">Perfluorononane sulfonic acid (PFNS)<\/a><\/td><td class=\"oth\">548.65<\/td><td class=\"oth\">79.89<\/td><\/tr>\n<tr><td class=\"num\">19.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluoroundecanoic acid (PFUnA)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/2058-94-8\/Perfluoroundecanoic acid\" target=\"_blank\" rel=\"noopener\">Perfluoroundecanoic acid (PFUnA)<\/a><\/td><td class=\"oth\">562.78<\/td><td class=\"oth\">268.82<\/td><\/tr>\n<tr><td class=\"num\">20.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorooctane sulfonic acid (FOSA)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/1763-23-1\/Perfluorooctane sulfonic acid\" target=\"_blank\" rel=\"noopener\">Perfluorooctane sulfonic acid (FOSA)<\/a><\/td><td class=\"oth\">497.75<\/td><td class=\"oth\">77.87<\/td><\/tr>\n<tr><td class=\"num\">21.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorodecane sulfonic acid (PFDS)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/335-77-3\/Perfluorodecane sulfonic acid\" target=\"_blank\" rel=\"noopener\">Perfluorodecane sulfonic acid (PFDS)<\/a><\/td><td class=\"oth\">598.78<\/td><td class=\"oth\">98.82<\/td><\/tr>\n<tr><td class=\"num\">22.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorododecanoic acid (PFDoA)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/307-55-1\/Perfluorododecanoic acid\" target=\"_blank\" rel=\"noopener\">Perfluorododecanoic acid (PFDoA)<\/a><\/td><td class=\"oth\">612.52<\/td><td class=\"oth\">318.90<\/td><\/tr>\n<tr><td class=\"num\">23.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for 11-chloroeicosafluoro-3-oxaundecane-1sulfonic acid (11Cl-PF3OUdS)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/763051-92-9\/11-chloroeicosafluoro-3-oxaundecane-1sulfonic acid\" target=\"_blank\" rel=\"noopener\">11-chloroeicosafluoro-3-oxaundecane-1sulfonic acid (11Cl-PF3OUdS)<\/a><\/td><td class=\"oth\">630.71<\/td><td class=\"oth\">450.81<\/td><\/tr>\n<tr><td class=\"num\">24.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluoroundecane sulfonic acid (PFUnDS)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/749786-16-1\/Perfluoroundecane sulfonic acid\" target=\"_blank\" rel=\"noopener\">Perfluoroundecane sulfonic acid (PFUnDS)<\/a><\/td><td class=\"oth\">648.65<\/td><td class=\"oth\">79.88<\/td><\/tr>\n<tr><td class=\"num\">25.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorotridecanoic acid (PFTrDA)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/72629-94-8\/Perfluorotridecanoic acid\" target=\"_blank\" rel=\"noopener\">Perfluorotridecanoic acid (PFTrDA)<\/a><\/td><td class=\"oth\">662.78<\/td><td class=\"oth\">168.87<\/td><\/tr>\n<tr><td class=\"num\">26.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorododecane sulfonic acid (PFDoS)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/79780-39-5\/Perfluorododecane sulfonic acid\" target=\"_blank\" rel=\"noopener\">Perfluorododecane sulfonic acid (PFDoS)<\/a><\/td><td class=\"oth\">698.71<\/td><td class=\"oth\">79.89<\/td><\/tr>\n<tr><td class=\"num\">27.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorotetradecanoic acid (PFTeDA)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/376-06-7\/Perfluorotetradecanoic acid\" target=\"_blank\" rel=\"noopener\">Perfluorotetradecanoic acid (PFTeDA)<\/a><\/td><td class=\"oth\">712.78<\/td><td class=\"oth\">168.87<\/td><\/tr>\n<tr><td class=\"num\">28.<\/td><td class=\"cmpd\"><a class=\"cmpd_link\" title=\"View compound information for Perfluorotridecane sulfonic acid (PFTrDS)\" href=\"https:\/\/ez.restek.com\/compound\/view\/en\/791563-89-8\/Perfluorotridecane sulfonic acid\" target=\"_blank\" rel=\"noopener\">Perfluorotridecane sulfonic acid (PFTrDS)<\/a><\/td><td class=\"oth\">748.59<\/td><td class=\"oth\">79.88<\/td><\/tr>\n<\/tbody><\/table><\/div><div class=\"chromatogram-conditions\"><h4>Conditions<\/h4><div class=\"conditions-container container-fluid\"><div class=\"row\"><table class=\"conditions col-lg-6 col-12\"><tr><th class=\"conditions_header\" scope=\"row\">Column<\/th><td>Force C18  (<a class=\"ga-cgram-prod-link\" target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/9634352\" rel=\"noopener\">cat.# 9634352<\/a>)<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Dimensions:<\/th><td>50 mm x 2.1 mm ID<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Particle Size:<\/th><td>3 \u00b5m<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Pore Size:<\/th><td>100 \u00c5<\/td><\/tr><tr><td><\/td><tr><th class=\"sub conditions_header\" scope=\"row\">Guard Column:<\/th><td>Force EXP C18 guard cartridge 5 mm, 2.1 mm ID (<a class=\"ga-cgram-prod-link\" target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/963450252\" rel=\"noopener\">cat.# 963450252<\/a>)<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Temp.:<\/th><td>50 \u00b0C<\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Standard\/Sample<\/th><td><\/td><\/tr><tr><td><\/td><td>PFAS 28 calibration standard (<a class=\"ga-cgram-prod-link\" target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/30734\" rel=\"noopener\">cat.# 30734<\/a>)<\/td><\/tr><tr><td><\/td><td>Other standards obtained externally.<\/td><\/tr>\n<tr><th class=\"sub conditions_header\" scope=\"row\">Diluent:<\/th><td>Methanol:water (60:40)<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Conc.:<\/th><td>Analytes spiked at 0.01 \u03bcg\/kg in milk <\/td><\/tr><td><\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Inj. Vol.:<\/th><td>5 \u00b5L <\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Mobile Phase<\/th><td><\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">A:<\/th><td>Water, 5 mM ammonium acetate <\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">B:<\/th><td>Methanol:acetonitrile (50:50) <\/td><\/tr><tr><td><\/td><td><table class=\"cgram_ramp\"><thead><tr><th>Time (min)<\/th><th>Flow (mL\/min)<\/th><th>%A<\/th><th>%B<\/th><\/tr><\/thead><tbody><tr><td>0.00<\/td><td>0.6<\/td><td>95<\/td><td>5<\/td><\/tr><tr><td>3.00<\/td><td>0.6<\/td><td>60<\/td><td>40<\/td><\/tr><tr><td>9.00<\/td><td>0.6<\/td><td>30<\/td><td>70<\/td><\/tr><tr><td>9.50<\/td><td>0.6<\/td><td>5<\/td><td>95<\/td><\/tr><tr><td>10.50<\/td><td>0.6<\/td><td>0<\/td><td>100<\/td><\/tr><tr><td>11.00<\/td><td>0.6<\/td><td>0<\/td><td>100<\/td><\/tr><tr><td>11.01<\/td><td>0.6<\/td><td>95<\/td><td>5<\/td><\/tr><tr><td>13.00<\/td><td>0.6<\/td><td>95<\/td><td>5<\/td><\/tr><\/tbody><\/table><\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Max Pressure:<\/th><td>360 bar<\/td><\/tr><\/table><table class=\"conditions col-lg-6 col-12\"><tr><th class=\"conditions_header\" scope=\"row\">Detector<\/th><td>Waters Xevo TQ Absolute<\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Ion Mode:<\/th><td>ESI- <\/td><\/tr><tr><th class=\"sub conditions_header\" scope=\"row\">Mode:<\/th><td>MRM <\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Instrument<\/th><td>Waters ACQUITY Premier<\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Sample Preparation<\/th><td>Ten grams of milk were weighed into a 50 mL centrifuge tube (<a class=\"ga-cgram-prod-link\" target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/25846\" rel=\"noopener\">cat.# 25846<\/a>) and fortified at 0.01 \u03bcg\/kg. Isotopically labeled internal standards (50 \u03bcL) were spiked into the sample and briefly vortexed. Acetonitrile (10 mL); formic acid (150 \u03bcL); and a Q-sep QuEChERS extraction salt packet (<a class=\"ga-cgram-prod-link\" target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/25847\" rel=\"noopener\">cat.# 25847<\/a>) were added to the sample and vortexed for ~30 seconds. The samples were transferred to a shaker table and shaken for 10 minutes. The samples were then centrifuged for 5 minutes at 4200 rpm. The supernatant was aliquoted into a Q-sep QuEChERS dSPE 15 mL centrifuge tube containing 900 mg MgSO4; 300 mg PSA; and 150 mg GCB (<a class=\"ga-cgram-prod-link\" target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/26126\" rel=\"noopener\">cat.# 26126<\/a>) and then vortexed for ~30 seconds followed by centrifuging for 5 minutes at 4200 rpm. The supernatant was aliquoted (6 mL) into a clean 15 mL centrifuge tube and dried down at 35 \u00b0C for 90 minutes using a Biotage TurboVap. The samples were reconstituted in methanol:water 60:40 (400 \u03bcL); vortexed for ~30 seconds; and centrifuged for 5 minutes at 4200 rpm. The supernatant was aliquoted into a polypropylene vial (<a class=\"ga-cgram-prod-link\" target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/23243\" rel=\"noopener\">cat.# 23243<\/a>) and capped with a polyethylene screw cap (<a class=\"ga-cgram-prod-link\" target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/23244\" rel=\"noopener\">cat.# 23244<\/a>) and 5 \u03bcL was injected for analysis.<\/td><\/tr><tr class=\"cgram_header_row\"><th class=\"conditions_header\" scope=\"row\">Notes<\/th><td>A PFAS delay column (<a class=\"ga-cgram-prod-link\" target=\"_blank\" href=\"https:\/\/www.restek.com\/p\/27854\" rel=\"noopener\">cat.# 27854<\/a>) was installed before the injector.<\/td><\/tr><\/table><\/div><\/div><\/div><div class=\"chromatogram-related-skus\"><h4>Related SKUs<\/h4><ul><li>30734<\/li><li>963450252<\/li><li>9634352<\/li><li>27854<\/li><li>25846<\/li><li>25847<\/li><li>26126<\/li><li>23243<\/li><li>23244<\/li><\/ul><\/div><div class=\"chromatogram-related-searches\"><h4>Related Searches<\/h4><ul><li>pfas-library<\/li><\/ul><\/div><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ff0630.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"18\" height=\"18\" viewBox=\"0 0 18 18\"><g data-name=\"Group 2996\"><path data-name=\"Rectangle 1246\" d=\"M0 0h18v18H0z\" style=\"fill: none;\"><\/path><\/g><g data-name=\"Group 2997\"><path data-name=\"Path 729\" d=\"M13.412 11.4v2.017H5.345V11.4H4v2.017a1.349 1.349 0 0 0 1.345 1.345h8.068a1.349 1.349 0 0 0 1.345-1.345V11.4zm-.672-2.694-.948-.948-1.741 1.735V4H8.706v5.493L6.965 7.758l-.948.948 3.361 3.361z\" transform=\"translate(-.437 -.414)\" style=\"fill: rgb(13, 123, 196);\"><\/path><\/g><\/svg>Download PDF<\/a><\/div><\/div><\/div>\n<\/div><\/div><\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ebf\u6027\u3001\u51c6\u786e\u6027\u548c\u7cbe\u5bc6\u5ea6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u57280.03\/0.1\u201350 ng\/mL\u7684\u8303\u56f4\u5185\u5bf9\u4e03\u6216\u516b\u79cd\u4e0d\u540c\u6d53\u5ea6\u8fdb\u884c\u6821\u51c6\u3002\u4e3a\u4e86\u8bc4\u4f30\u7ebf\u6027\u5ea6\uff0c\u4f7f\u7528\u4e86 1\/x \u52a0\u6743\u3002\u6240\u6709\u5316\u5408\u7269\u7684 R2 \u503c\u5747\u22650.991\uff0c\u8bc1\u660e\u4e86\u826f\u597d\u7684\u7ebf\u6027\uff08\u8868 III\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d6\u4e09\u79cd\u725b\u5976\u6837\u54c1\uff0c\u5e76\u4ee5 1X\u76ee\u6807LOQ\u548c5X\u76ee\u6807 LOQ \u6c34\u5e73\uff08\u5206\u522b\u4e3a 0.01 \u03bcg\/kg \u548c 0.05 \u03bcg\/kg\uff09\u8fdb\u884c\u5f3a\u5316\u3002\u7a7a\u767d\u6837\u54c1\u4e00\u5f0f\u4e24\u4efd\u5236\u5907\uff0c\u4e00\u5f0f\u4e09\u4efd\u8fdb\u884c\u5206\u6790\u3002\u725b\u5976\u6837\u54c1\u4e00\u5f0f\u4e09\u4efd\u5236\u5907\uff0c\u4e00\u5f0f\u4e09\u4efd\u8fdb\u884c\u5206\u6790\u3002\u5728\u7a7a\u767d\u6837\u54c1\u4e2d\u68c0\u6d4b\u5230\u7684\u5206\u6790\u7269\u5728\u8868 II \u548c\u8868 III \u4e2d\u7528\u661f\u53f7\u6807\u660e\uff0c\u5e76\u4ece\u5f3a\u5316\u6837\u54c1\u4e2d\u51cf\u53bb\u4ea7\u751f\u7684\u5206\u6790\u7269\u6c34\u5e73\u3002EFSA \u8bc4\u4f30\u7684\u6240\u6709\u56db\u79cd PFAS \u5728 LOQ \u52a0\u6807\u6c34\u5e73\u4e0a\u5747\u83b7\u5f97\u4e86\u4f18\u5f02\u7684\u56de\u6536\u7387\u30020.01\u03bcg\/kg \u6d53\u5ea6\u65f6\u56de\u6536\u7387\u4e3a 101\u2013112%\uff0c%RSD \u4e3a 3.81\u201316.6%\uff0c\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u7cbe\u5bc6\u5ea6\uff08\u8868 II\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868II\uff1aEFSA\u8bc4\u4f30\u7684\u56db\u79cdPFAS\u57280.01 \u03bcg\/kg\u52a0\u6807\u6c34\u5e73\u4e0b\u7684\u56de\u6536\u7387\uff08%\uff09\u53ca\u76f8\u5bf9\u6807\u51c6\u504f\u5dee\uff08%RSD\uff09<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-background has-fixed-layout\" style=\"background-color:#ced4d9;border-width:1px\"><thead><tr><th><\/th><th class=\"has-text-align-center\" data-align=\"center\" colspan=\"3\"><strong>\u5e73\u5747\u56de\u6536\u7387 (%RSD) n=9<\/strong><\/th><\/tr><tr><th><\/th><th class=\"has-text-align-center\" data-align=\"center\">\u6837\u54c1 1<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u6837\u54c1 2<\/th><th class=\"has-text-align-center\" data-align=\"center\">\u6837\u54c1 3<\/th><\/tr><\/thead><tbody><tr><td>PFOA*<\/td><td class=\"has-text-align-center\" data-align=\"center\">108 (5.09)<\/td><td class=\"has-text-align-center\" data-align=\"center\">102 (6.21)<\/td><td class=\"has-text-align-center\" data-align=\"center\">105 (7.74)<\/td><\/tr><tr><td>PFNA<\/td><td class=\"has-text-align-center\" data-align=\"center\">112 (7.97)<\/td><td class=\"has-text-align-center\" data-align=\"center\">106 (8.19)<\/td><td class=\"has-text-align-center\" data-align=\"center\">101 (16.6)<\/td><\/tr><tr><td>PFHxS<\/td><td class=\"has-text-align-center\" data-align=\"center\">112 (5.93)<\/td><td class=\"has-text-align-center\" data-align=\"center\">106 (7.25)<\/td><td class=\"has-text-align-center\" data-align=\"center\">106 (12.8)<\/td><\/tr><tr><td>PFOS*<\/td><td class=\"has-text-align-center\" data-align=\"center\">109 (7.25)<\/td><td class=\"has-text-align-center\" data-align=\"center\">109 (3.81)<\/td><td class=\"has-text-align-center\" data-align=\"center\">102 (6.72)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">*I \u7a7a\u767d\u6837\u54c1\u4e2d\u68c0\u51fa\u8fd9\u4e9b\u5206\u6790\u7269\u7684\u672c\u5e95\u6c34\u5e73\uff0c\u5df2\u4ece\u52a0\u6807\u6837\u54c1\u7684\u6d4b\u5b9a\u7ed3\u679c\u4e2d\u6263\u9664\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u6b21\u5b9e\u9a8c\u76d1\u6d4b\u768428\u79cdPFAS\u4e2d\uff0c\u5927\u591a\u6570\u5316\u5408\u7269\u5747\u83b7\u5f97\u4e86\u53ef\u63a5\u53d7\u7684\u56de\u6536\u7387\uff0c\u572880\u2013120%\u8303\u56f4\u5185\u3002\u90e8\u5206\u957f\u94fe PFAS \u8868\u73b0\u51fa\u8f83\u4f4e\u7684\u56de\u6536\u7387\uff0c\u5373 PFTrDA\u3001PFTeDA\u3001PFUnDS\u3001PFTrDS\u3001PFDoS\u3001FOSA\u548cCapstone B\uff0c\u8fd9\u4e9b\u5316\u5408\u7269\u542b\u67098-13\u4e2a\u78b3\u3002\u5728\u6837\u54c12\uff08\u8131\u8102\u725b\u5976\uff09\u4e2d\u672a\u89c2\u5bdf\u5230\u4f4e\u56de\u6536\u7387\uff0c\u8868\u660e\u5176\u4ed6\u6837\u54c1\u4e2d\u8102\u80aa\u7684\u5b58\u5728\u53ef\u80fd\u5bf9\u8fd9\u7c7b\u5316\u5408\u7269\u7684\u56de\u6536\u7387\u4ea7\u751f\u4e86\u4e0d\u5229\u5f71\u54cd\u3002\u5168\u90e828\u79cdPFAS\u7684\u7ebf\u6027\u8303\u56f4\u3001R\u00b2\u503c\u3001\u56de\u6536\u7387\uff08%\uff09\u53ca\u76f8\u5bf9\u6807\u51c6\u504f\u5dee\uff08%RSD\uff09\u6c47\u603b\u89c1\u8868III\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868 III: \u725b\u5976\u4e2d\u7684\u7ebf\u6027\u3001\u51c6\u786e\u6027\u548c\u7cbe\u5ea6<\/p>\n\n\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-background\" style=\"background-color:#ced4d9;border-width:1px\"><thead><tr><th rowspan=\"3\">\u5316\u5408\u7269<\/th><th class=\"has-text-align-center\" data-align=\"center\" colspan=\"3\" rowspan=\"2\">\u7ebf\u6027\u8303\u56f4 (ng\/mL)<\/th><th class=\"has-text-align-center\" data-align=\"center\" colspan=\"6\"><strong>\u56de\u6536\u7387\uff08RSD\u767e\u5206\u6bd4\uff09n=9<\/strong><\/th><\/tr><tr><th colspan=\"2\"><strong>\u6837\u54c1 1<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\" colspan=\"2\"><strong>\u6837\u54c1 2<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\" colspan=\"2\"><strong>\u6837\u54c1 3<\/strong><\/th><\/tr><tr><th>\u4f4e<\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>\u9ad8<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>R<sup>2<\/sup><\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>0.01 \u00b5g\/kg<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>0.05 \u00b5g\/kg<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>0.01 \u00b5g\/kg<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>0.05 \u00b5g\/kg<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>0.01 \u00b5g\/kg<\/strong><\/th><th class=\"has-text-align-center\" data-align=\"center\"><strong>0.05 \u00b5g\/kg<\/strong><\/th><\/tr><\/thead><tbody><tr><td>PFBA*<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.996<\/td><td class=\"has-text-align-center\" data-align=\"center\">90.1 (4.81)<\/td><td class=\"has-text-align-center\" data-align=\"center\">105 (7.06)<\/td><td class=\"has-text-align-center\" data-align=\"center\">103 (8.61)<\/td><td class=\"has-text-align-center\" data-align=\"center\">116 (2.91)<\/td><td class=\"has-text-align-center\" data-align=\"center\">115 (11.5)<\/td><td class=\"has-text-align-center\" data-align=\"center\">116 (4.95)<\/td><\/tr><tr><td>PFPeA<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.996<\/td><td class=\"has-text-align-center\" data-align=\"center\">105 (7.89)<\/td><td class=\"has-text-align-center\" data-align=\"center\">110 (5.45)<\/td><td class=\"has-text-align-center\" data-align=\"center\">102 (6.72)<\/td><td class=\"has-text-align-center\" data-align=\"center\">111 (2.55)<\/td><td class=\"has-text-align-center\" data-align=\"center\">107 (10.8)<\/td><td class=\"has-text-align-center\" data-align=\"center\">114 (2.80)<\/td><\/tr><tr><td>PFHxA<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.996<\/td><td class=\"has-text-align-center\" data-align=\"center\">114 (10.6)<\/td><td class=\"has-text-align-center\" data-align=\"center\">113 (5.13)<\/td><td class=\"has-text-align-center\" data-align=\"center\">104 (8.11)<\/td><td class=\"has-text-align-center\" data-align=\"center\">112 (5.49)<\/td><td class=\"has-text-align-center\" data-align=\"center\">118 (11.3)<\/td><td class=\"has-text-align-center\" data-align=\"center\">113 (6.11)<\/td><\/tr><tr><td>PFHpA<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.997<\/td><td class=\"has-text-align-center\" data-align=\"center\">117 (5.09)<\/td><td class=\"has-text-align-center\" data-align=\"center\">112 (7.31)<\/td><td class=\"has-text-align-center\" data-align=\"center\">108 (7.14)<\/td><td class=\"has-text-align-center\" data-align=\"center\">115 (2.69)<\/td><td class=\"has-text-align-center\" data-align=\"center\">111 (16.2)<\/td><td class=\"has-text-align-center\" data-align=\"center\">118 (4.21)<\/td><\/tr><tr><td>PFOA*<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.995<\/td><td class=\"has-text-align-center\" data-align=\"center\">108 (5.09)<\/td><td class=\"has-text-align-center\" data-align=\"center\">109 (4.62)<\/td><td class=\"has-text-align-center\" data-align=\"center\">102 (6.21)<\/td><td class=\"has-text-align-center\" data-align=\"center\">113 (2.56)<\/td><td class=\"has-text-align-center\" data-align=\"center\">105 (7.74)<\/td><td class=\"has-text-align-center\" data-align=\"center\">113 (3.28)<\/td><\/tr><tr><td>PFNA<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.996<\/td><td class=\"has-text-align-center\" data-align=\"center\">112 (7.97)<\/td><td class=\"has-text-align-center\" data-align=\"center\">109 (2.63)<\/td><td class=\"has-text-align-center\" data-align=\"center\">106 (8.19)<\/td><td class=\"has-text-align-center\" data-align=\"center\">110 (3.81)<\/td><td class=\"has-text-align-center\" data-align=\"center\">101 (16.6)<\/td><td class=\"has-text-align-center\" data-align=\"center\">101 (10.4)<\/td><\/tr><tr><td>PFDA<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.997<\/td><td class=\"has-text-align-center\" data-align=\"center\">111 (9.02)<\/td><td class=\"has-text-align-center\" data-align=\"center\">113 (5.55)<\/td><td class=\"has-text-align-center\" data-align=\"center\">107 (6.08)<\/td><td class=\"has-text-align-center\" data-align=\"center\">112 (4.13)<\/td><td class=\"has-text-align-center\" data-align=\"center\">112 (7.38)<\/td><td class=\"has-text-align-center\" data-align=\"center\">115 (3.26)<\/td><\/tr><tr><td>PFUnDA<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.992<\/td><td class=\"has-text-align-center\" data-align=\"center\">104 (7.52)<\/td><td class=\"has-text-align-center\" data-align=\"center\">109 (11.6)<\/td><td class=\"has-text-align-center\" data-align=\"center\">103 (10.9)<\/td><td class=\"has-text-align-center\" data-align=\"center\">107 (7.57)<\/td><td class=\"has-text-align-center\" data-align=\"center\">109 (8.90)<\/td><td class=\"has-text-align-center\" data-align=\"center\">110 (4.54)<\/td><\/tr><tr><td>PFDoA<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.997<\/td><td class=\"has-text-align-center\" data-align=\"center\">110 (7.57)<\/td><td class=\"has-text-align-center\" data-align=\"center\">109 (4.34)<\/td><td class=\"has-text-align-center\" data-align=\"center\">102 (6.72)<\/td><td class=\"has-text-align-center\" data-align=\"center\">112 (2.76)<\/td><td class=\"has-text-align-center\" data-align=\"center\">108 (9.77)<\/td><td class=\"has-text-align-center\" data-align=\"center\">114 (2.45)<\/td><\/tr><tr><td>PFTrDA<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.999<\/td><td class=\"has-text-align-center\" data-align=\"center\">75.9 (12.5)<\/td><td class=\"has-text-align-center\" data-align=\"center\">65.8 (7.68)<\/td><td class=\"has-text-align-center\" data-align=\"center\">86.7 (8.95)<\/td><td class=\"has-text-align-center\" data-align=\"center\">73.3 (8.64)<\/td><td class=\"has-text-align-center\" data-align=\"center\">71.8 (11.0)<\/td><td class=\"has-text-align-center\" data-align=\"center\">68.8 (12.2)<\/td><\/tr><tr><td>PFTeDA<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.997<\/td><td class=\"has-text-align-center\" data-align=\"center\">83.2 (14.5)<\/td><td class=\"has-text-align-center\" data-align=\"center\">83.8 (12.4)<\/td><td class=\"has-text-align-center\" data-align=\"center\">103 (6.91)<\/td><td class=\"has-text-align-center\" data-align=\"center\">109 (8.95)<\/td><td class=\"has-text-align-center\" data-align=\"center\">74.1 (17.2)<\/td><td class=\"has-text-align-center\" data-align=\"center\">78.4 (11.3)<\/td><\/tr><tr><td>PFBS*<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.995<\/td><td class=\"has-text-align-center\" data-align=\"center\">106 (11.9)<\/td><td class=\"has-text-align-center\" data-align=\"center\">109 (11.4)<\/td><td class=\"has-text-align-center\" data-align=\"center\">110 (11.2)<\/td><td class=\"has-text-align-center\" data-align=\"center\">112 (5.21)<\/td><td class=\"has-text-align-center\" data-align=\"center\">103 (7.18)<\/td><td class=\"has-text-align-center\" data-align=\"center\">109 (5.32)<\/td><\/tr><tr><td>PFPeS<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.996<\/td><td class=\"has-text-align-center\" data-align=\"center\">113 (6.32)<\/td><td class=\"has-text-align-center\" data-align=\"center\">119 (5.78)<\/td><td class=\"has-text-align-center\" data-align=\"center\">105 (6.19)<\/td><td class=\"has-text-align-center\" data-align=\"center\">113 (4.87)<\/td><td class=\"has-text-align-center\" data-align=\"center\">114 (8.03)<\/td><td class=\"has-text-align-center\" data-align=\"center\">115 (5.08)<\/td><\/tr><tr><td>PFHxS<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.996<\/td><td class=\"has-text-align-center\" data-align=\"center\">112 (5.93)<\/td><td class=\"has-text-align-center\" data-align=\"center\">114 (5.29)<\/td><td class=\"has-text-align-center\" data-align=\"center\">106 (7.25)<\/td><td class=\"has-text-align-center\" data-align=\"center\">111 (3.59)<\/td><td class=\"has-text-align-center\" data-align=\"center\">106 (12.8)<\/td><td class=\"has-text-align-center\" data-align=\"center\">113 (3.92)<\/td><\/tr><tr><td>PFHpS<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.995<\/td><td class=\"has-text-align-center\" data-align=\"center\">117 (5.14)<\/td><td class=\"has-text-align-center\" data-align=\"center\">121 (9.15)<\/td><td class=\"has-text-align-center\" data-align=\"center\">112 (5.57)<\/td><td class=\"has-text-align-center\" data-align=\"center\">116 (3.81)<\/td><td class=\"has-text-align-center\" data-align=\"center\">121 (5.04)<\/td><td class=\"has-text-align-center\" data-align=\"center\">119 (5.32)<\/td><\/tr><tr><td>PFOS*<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.995<\/td><td class=\"has-text-align-center\" data-align=\"center\">109 (7.25)<\/td><td class=\"has-text-align-center\" data-align=\"center\">110 (7.21)<\/td><td class=\"has-text-align-center\" data-align=\"center\">109 (3.81)<\/td><td class=\"has-text-align-center\" data-align=\"center\">113(4.03)<\/td><td class=\"has-text-align-center\" data-align=\"center\">102 (6.72)<\/td><td class=\"has-text-align-center\" data-align=\"center\">107 (4.62)<\/td><\/tr><tr><td>PFNS<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.999<\/td><td class=\"has-text-align-center\" data-align=\"center\">114 (17.1)<\/td><td class=\"has-text-align-center\" data-align=\"center\">88.5 (18.1)<\/td><td class=\"has-text-align-center\" data-align=\"center\">110 (11.5)<\/td><td class=\"has-text-align-center\" data-align=\"center\">90.1 (15.4)<\/td><td class=\"has-text-align-center\" data-align=\"center\">103 (15.5)<\/td><td class=\"has-text-align-center\" data-align=\"center\">84.3 (19.9)<\/td><\/tr><tr><td>PFDS<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.997<\/td><td class=\"has-text-align-center\" data-align=\"center\">92.6 (11.7)<\/td><td class=\"has-text-align-center\" data-align=\"center\">95.8 (6.01)<\/td><td class=\"has-text-align-center\" data-align=\"center\">101 (7.31)<\/td><td class=\"has-text-align-center\" data-align=\"center\">100 (9.33)<\/td><td class=\"has-text-align-center\" data-align=\"center\">99.2 (12.3)<\/td><td class=\"has-text-align-center\" data-align=\"center\">102 (11.8)<\/td><\/tr><tr><td>PFUnDS<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.997<\/td><td class=\"has-text-align-center\" data-align=\"center\">74.2 (9.48)<\/td><td class=\"has-text-align-center\" data-align=\"center\">95.5 (9.11)<\/td><td class=\"has-text-align-center\" data-align=\"center\">100 (9.94)<\/td><td class=\"has-text-align-center\" data-align=\"center\">113 (9.25)<\/td><td class=\"has-text-align-center\" data-align=\"center\">81.4 (20.7)<\/td><td class=\"has-text-align-center\" data-align=\"center\">104 (12.7)<\/td><\/tr><tr><td>PFTrDS<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.994<\/td><td class=\"has-text-align-center\" data-align=\"center\">67.9 (15.6)<\/td><td class=\"has-text-align-center\" data-align=\"center\">46.2 (9.53)<\/td><td class=\"has-text-align-center\" data-align=\"center\">88.1 (14.1)<\/td><td class=\"has-text-align-center\" data-align=\"center\">95.5 (10.6)<\/td><td class=\"has-text-align-center\" data-align=\"center\">43.2 (15.1)<\/td><td class=\"has-text-align-center\" data-align=\"center\">55.5 (6.04)<\/td><\/tr><tr><td>PFDoS<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.997<\/td><td class=\"has-text-align-center\" data-align=\"center\">55.6 (9.8)<\/td><td class=\"has-text-align-center\" data-align=\"center\">59.6 (8.22)<\/td><td class=\"has-text-align-center\" data-align=\"center\">96.3 (10.0)<\/td><td class=\"has-text-align-center\" data-align=\"center\">103 (9.33)<\/td><td class=\"has-text-align-center\" data-align=\"center\">62.1 (11.5)<\/td><td class=\"has-text-align-center\" data-align=\"center\">73.9 (7.29)<\/td><\/tr><tr><td>FOSA<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.992<\/td><td class=\"has-text-align-center\" data-align=\"center\">60.8 (12.6)<\/td><td class=\"has-text-align-center\" data-align=\"center\">59.4 (10.2)<\/td><td class=\"has-text-align-center\" data-align=\"center\">92.6 (8.16)<\/td><td class=\"has-text-align-center\" data-align=\"center\">95.5 (9.41)<\/td><td class=\"has-text-align-center\" data-align=\"center\">87.1 (15.3)<\/td><td class=\"has-text-align-center\" data-align=\"center\">84.0 (12.5)<\/td><\/tr><tr><td>ADONA<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.996<\/td><td class=\"has-text-align-center\" data-align=\"center\">111 (7.17)<\/td><td class=\"has-text-align-center\" data-align=\"center\">109 (7.91)<\/td><td class=\"has-text-align-center\" data-align=\"center\">93.8 (11.3)<\/td><td class=\"has-text-align-center\" data-align=\"center\">98.9 (4.52)<\/td><td class=\"has-text-align-center\" data-align=\"center\">93.8 (9.54)<\/td><td class=\"has-text-align-center\" data-align=\"center\">104 (6.00)<\/td><\/tr><tr><td>HFPO-Da<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.996<\/td><td class=\"has-text-align-center\" data-align=\"center\">106 (13.7)<\/td><td class=\"has-text-align-center\" data-align=\"center\">110 (7.69)<\/td><td class=\"has-text-align-center\" data-align=\"center\">111 (15.4)<\/td><td class=\"has-text-align-center\" data-align=\"center\">114 (12.7)<\/td><td class=\"has-text-align-center\" data-align=\"center\">125 (9.00)<\/td><td class=\"has-text-align-center\" data-align=\"center\">124 (4.31)<\/td><\/tr><tr><td>9Cl-PF3ONS<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.992<\/td><td class=\"has-text-align-center\" data-align=\"center\">94.5 (3.37)<\/td><td class=\"has-text-align-center\" data-align=\"center\">99.3 (8.09)<\/td><td class=\"has-text-align-center\" data-align=\"center\">96.6 (10.3)<\/td><td class=\"has-text-align-center\" data-align=\"center\">98.9 (7.64)<\/td><td class=\"has-text-align-center\" data-align=\"center\">102 (12.8)<\/td><td class=\"has-text-align-center\" data-align=\"center\">106 (6.08)<\/td><\/tr><tr><td>11Cl-PF3OUdS<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.03<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.997<\/td><td class=\"has-text-align-center\" data-align=\"center\">93.5 (6.74)<\/td><td class=\"has-text-align-center\" data-align=\"center\">97.8 (6.78)<\/td><td class=\"has-text-align-center\" data-align=\"center\">103 (12.2)<\/td><td class=\"has-text-align-center\" data-align=\"center\">114 (10.0)<\/td><td class=\"has-text-align-center\" data-align=\"center\">97.7 (11.2)<\/td><td class=\"has-text-align-center\" data-align=\"center\">102 (13.1)<\/td><\/tr><tr><td>Capstone A<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.991<\/td><td class=\"has-text-align-center\" data-align=\"center\">120 (12.1)<\/td><td class=\"has-text-align-center\" data-align=\"center\">126 (9.27)<\/td><td class=\"has-text-align-center\" data-align=\"center\">102 (16.5)<\/td><td class=\"has-text-align-center\" data-align=\"center\">108 (7.34)<\/td><td class=\"has-text-align-center\" data-align=\"center\">119 (6.44)<\/td><td class=\"has-text-align-center\" data-align=\"center\">114 (5.06)<\/td><\/tr><tr><td>Capstone B<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.1<\/td><td class=\"has-text-align-center\" data-align=\"center\">50<\/td><td class=\"has-text-align-center\" data-align=\"center\">0.992<\/td><td class=\"has-text-align-center\" data-align=\"center\">92.1 (11.6)<\/td><td class=\"has-text-align-center\" data-align=\"center\">68.3 (10.9)<\/td><td class=\"has-text-align-center\" data-align=\"center\">85.1 (15.2)<\/td><td class=\"has-text-align-center\" data-align=\"center\">71.7 (8.24)<\/td><td class=\"has-text-align-center\" data-align=\"center\">84.6 (15.3)<\/td><td class=\"has-text-align-center\" data-align=\"center\">71.4 (10.6)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">*\u8fd9\u4e9b\u5206\u6790\u7269\u7684\u7a7a\u767d\u6837\u54c1\u4e2d\u5b58\u5728\u4ea7\u751f\u7684\u6c34\u5e73\uff0c\u5e76\u4ece\u5f3a\u5316\u6837\u54c1\u4e2d\u6263\u9664\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56fe2\u6c47\u603b\u4e86\u91c7\u7528\u8be5LC-MS\/MS\u65b9\u6cd5\u5206\u6790\u725b\u5976\u6837\u54c1\u4e2d\u5168\u90e828\u79cdPFAS\u7684\u7ed3\u679c\u3002\u57280.01 \u03bcg\/kg\u52a0\u6807\u6c34\u5e73\u4e0b\uff0c\u6837\u54c11\u4e2d82%\u7684\u5206\u6790\u7269\u56de\u6536\u7387\u5904\u4e8e80\u2013120%\u8303\u56f4\u5185\uff1b\u6837\u54c12\u4e2d100%\u7684\u5206\u6790\u7269\u8fbe\u5230\u8be5\u8303\u56f4\uff1b\u6837\u54c13\u4e2d79%\u7684\u5206\u6790\u7269\u8fbe\u5230\u8be5\u8303\u56f4\u3002\u9664PFUnDS\u5916\uff0c\u6240\u6709\u5206\u6790\u7269\u7684%RSD\u503c\u5747\u226420%\u3002<\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article-top\"><div class=\"chromatogram-article-placeholder\"><div class=\"figure-heading\">\u56fe 2\uff1a\u725b\u5976\u4e2d PFAS \u5206\u6790\u4e2d\uff0c\u5728 0.01 \u03bcg\/kg \u52a0\u6807\u6c34\u5e73\u4e0b\u5404\u6837\u54c1\u4e2d\u6ee1\u8db3\u53ef\u63a5\u53d7\u51c6\u786e\u5ea6\u548c\u7cbe\u5bc6\u5ea6\u6807\u51c6\u7684\u5206\u6790\u7269\u767e\u5206\u6bd4\u3002<\/div><div class='chromatogram-article-inner-full'><div class=\"chromatogram-article-inner\">\n<style>.kb-image104047_e637ee-f3 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image104047_e637ee-f3\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"616\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-fsan4338-02a-1024x616.jpg\" alt=\"\" class=\"kb-img wp-image-24118\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-fsan4338-02a-1024x616.jpg 1024w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-fsan4338-02a-300x180.jpg 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-fsan4338-02a-768x462.jpg 768w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-fsan4338-02a-1536x923.jpg 1536w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-fsan4338-02a.jpg 1800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n<\/div><\/div><\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u5de5\u4f5c\u6d41\u7a0b\u4e3a\u91c7\u7528LC-MS\/MS\u5206\u6790\u725b\u5976\u4e2d28\u79cdPFAS\u63d0\u4f9b\u4e86\u4e00\u79cd\u7b80\u4fbf\u53ef\u9760\u7684\u65b9\u6cd5\u3002\u8be5\u65b9\u6cd5\u80fd\u6709\u6548\u5c06\u76ee\u6807\u5206\u6790\u7269\u4e0e\u5177\u6709\u76f8\u540c\u8d28\u91cf\u8dc3\u8fc1\u7684\u80c6\u6c41\u9178\u5e72\u6270\u7269\u8fdb\u884c\u5206\u79bb\u3002\u901a\u8fc7\u91c7\u7528QuEChERS\u63d0\u53d6\u548cdSPE\u51c0\u5316\uff0c\u6837\u54c1\u524d\u5904\u7406\u5feb\u901f\u7b80\u4fbf\uff0c\u8be5\u5de5\u4f5c\u6d41\u7a0b\u975e\u5e38\u9002\u5408\u9ad8\u901a\u91cfPFAS\u68c0\u6d4b\u5b9e\u9a8c\u5ba4\u3002\u7ed3\u679c\u8868\u660e\uff0cEFSA\u8bc4\u4f30\u7684\u56db\u79cdPFAS\u5747\u83b7\u5f97\u4e86\u4f18\u5f02\u7684\u7ed3\u679c\uff0c\u4e14\u5927\u591a\u6570\u5176\u4ed6\u5206\u6790\u7269\u7684\u7ed3\u679c\u5747\u53ef\u63a5\u53d7\u3002\u90e8\u5206\u957f\u94fePFAS\u7684\u56de\u6536\u7387\u504f\u4f4e\uff0c\u8fd9\u53ef\u80fd\u4e0e\u725b\u5976\u6837\u54c1\u4e2d\u8102\u80aa\u7684\u5b58\u5728\u6709\u5173\u3002\u5c3d\u7ba1\u8fd9\u4e9b\u5316\u5408\u7269\u7684\u56de\u6536\u7387\u8f83\u4f4e\uff0c\u4f46\u8be5\u65b9\u6cd5\u7684\u7cbe\u5bc6\u5ea6\u4ecd\u5728\u53ef\u63a5\u53d7\u8303\u56f4\u5185\u3002\u672c\u65b9\u6cd5\u53ef\u8f7b\u677e\u5e94\u7528\u4e8e\u5b9e\u9a8c\u5ba4\uff0c\u4ee5\u53ef\u9760\u5730\u76d1\u6d4b\u4e73\u5236\u54c1\u725b\u5976\u4e2d\u7684PFAS\u6c61\u67d3\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u6587\u732e<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Agency for Toxic Substances and Disease Registry. PFAS information for clinicians. Fact sheet. January 2024. https:\/\/www.atsdr.cdc.gov\/pfas\/docs\/PFAS-info-for-clinicians-508.pdf&nbsp;<\/li>\n\n\n\n<li>Food and Agricultural Organization of the United Nations. Gateway to diary production and products. &nbsp;2024. https:\/\/www.fao.org\/dairy-production-products\/en&nbsp;<\/li>\n\n\n\n<li>D. Schrenk, et al., Risk to human health related to the presence of perfluoroalkyl substances in food, EFSA J 18, (9) 2020. https:\/\/efsa.onlinelibrary.wiley.com\/doi\/10.2903\/j.efsa.2020.6223&nbsp;<\/li>\n\n\n\n<li>Maine Department of Agriculture, Conservation, &amp; Forestry. PFAS response. 202. https:\/\/www.maine.gov\/dacf\/ag\/pfas\/pfas-response.shtml<\/li>\n\n\n\n<li>European Union Reference Laboratory for Halogenated Persistent Organic Pollutants in Feed and Food. Guidance document on analytical parameters for the determination of per- and polyfluoroalkyl substances (PFAS) in food and feed. Version 1.2. May 2022. https:\/\/eurl-pops.eu\/news\/guidance-document-pfas\/guidance-document-pfas<\/li>\n<\/ol>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div class=\"cpb\">\n            <h3 class=\"cpb-heading\">\u76f8\u5173\u4ea7\u54c1<\/h3>\n            <hr class=\"cpb-heading-underline\" \/>\n            <div class=\"cpb-list\">\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/9634352\">                                \u8d27\u53f7\uff1a 9634352                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Force C18, 3 \u00b5m, 50 x 2.1 mm LC Column<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/9634352\">\u67e5\u770b\u4ea7\u54c1<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/963450252\">                                \u8d27\u53f7\uff1a 963450252                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Force C18 Guard Cartridge, 5 x 2.1 mm EXP, 3-pk.<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/963450252\">\u67e5\u770b\u4ea7\u54c1<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/27854\">                                \u8d27\u53f7\uff1a 27854                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">PFAS Delay Column, 5 \u00b5m, 50 x 2.1 mm HPLC Column<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/27854\">\u67e5\u770b\u4ea7\u54c1<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/30734\">                                \u8d27\u53f7\uff1a 30734                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">PFAS 28 Calibration Standard, 1 \u00b5g\/mL, Methanol (1 mM KOH), 1 mL\/ampul<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/30734\">\u67e5\u770b\u4ea7\u54c1<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/25846\">                                \u8d27\u53f7\uff1a 25846                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Empty Centrifuge Tubes, 50 mL, Polypropylene w\/Cap, 50-pk.<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/25846\">\u67e5\u770b\u4ea7\u54c1<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/25847\">                                \u8d27\u53f7\uff1a 25847                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Q-sep QuEChERS Extraction Salt Packets Only (Original), 4 g MgSO4, 1 g NaCl, 50 Packets<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/25847\">\u67e5\u770b\u4ea7\u54c1<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/26126\">                                \u8d27\u53f7\uff1a 26126                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Q-sep QuEChERS dSPE 15 mL Centrifuge Tube, Contains 900 mg MgSO4, 300 mg PSA, 150 mg GCB, 50 Tubes<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/26126\">\u67e5\u770b\u4ea7\u54c1<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/23243\">                                \u8d27\u53f7\uff1a 23243                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Limited-Volume Screw-Thread Polypropylene Vials, 9 mm, 700 \u00b5L, 12 x 32 mm, 100-pk.<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/23243\">\u67e5\u770b\u4ea7\u54c1<\/a>\n                                                    <\/div>\n                    <\/div>\n                                    <div class=\"cpb-item\">\n                        <div class=\"cpb-col cpb-col--left\">\n                            <a class=\"cpb-catalog\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/23244\">                                \u8d27\u53f7\uff1a 23244                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">2.0 mL, 9 mm Solid-Top Polyethylene Caps, Screw-Thread, 10 mil thick membrane, Clear, 100-pk.<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/23244\">\u67e5\u770b\u4ea7\u54c1<\/a>\n                                                    <\/div>\n                    <\/div>\n                            <\/div>\n        <\/div>\n        \n\n\n<div class=\"wp-block-group hub-fullwidth-container has-theme-palette-9-background-color has-background\" style=\"margin-top:0px;margin-bottom:0px;padding-top:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50)\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\"><style>.kadence-column99903_3b9a6b-09 > .kt-inside-inner-col{padding-top:45px;padding-right:0px;padding-bottom:45px;padding-left:0px;}.kadence-column99903_3b9a6b-09 > .kt-inside-inner-col,.kadence-column99903_3b9a6b-09 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column99903_3b9a6b-09 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column99903_3b9a6b-09 > .kt-inside-inner-col{flex-direction:column;}.kadence-column99903_3b9a6b-09 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column99903_3b9a6b-09 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column99903_3b9a6b-09{position:relative;}@media all and (max-width: 1024px){.kadence-column99903_3b9a6b-09 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column99903_3b9a6b-09 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column99903_3b9a6b-09 hub-guttered-centered-container\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id99903_b5fa4b-ad > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id99903_b5fa4b-ad > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id99903_b5fa4b-ad > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-top:20px;padding-right:20px;padding-bottom:20px;padding-left:20px;grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id99903_b5fa4b-ad{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;overflow:clip;isolation:isolate;}.kb-row-layout-id99903_b5fa4b-ad > .kt-row-layout-overlay{border-top-left-radius:16px;border-top-right-radius:16px;border-bottom-right-radius:16px;border-bottom-left-radius:16px;}.kb-row-layout-id99903_b5fa4b-ad > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id99903_b5fa4b-ad > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id99903_b5fa4b-ad > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id99903_b5fa4b-ad alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column99903_2824bd-5d > .kt-inside-inner-col,.kadence-column99903_2824bd-5d > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column99903_2824bd-5d > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column99903_2824bd-5d > .kt-inside-inner-col{flex-direction:column;}.kadence-column99903_2824bd-5d > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column99903_2824bd-5d > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column99903_2824bd-5d{position:relative;}@media all and (max-width: 1024px){.kadence-column99903_2824bd-5d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column99903_2824bd-5d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column99903_2824bd-5d\"><div class=\"kt-inside-inner-col\"><div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-contact-an-expert-leaf-graphic-1024x1024.png\" alt=\"Icon depicting customer service person.\" class=\"wp-image-95744\" style=\"width:100px\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-contact-an-expert-leaf-graphic-1024x1024.png 1024w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-contact-an-expert-leaf-graphic-300x300.png 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-contact-an-expert-leaf-graphic-150x150.png 150w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-contact-an-expert-leaf-graphic-768x768.png 768w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-gnlp4243-pfas-hub-contact-an-expert-leaf-graphic.png 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading99903_df06fd-cb, .wp-block-kadence-advancedheading.kt-adv-heading99903_df06fd-cb[data-kb-block=\"kb-adv-heading99903_df06fd-cb\"]{margin-top:20px;text-align:center;font-size:48px;line-height:55px;font-weight:400;font-style:normal;font-family:'Open Sans';}.wp-block-kadence-advancedheading.kt-adv-heading99903_df06fd-cb, .wp-block-kadence-advancedheading.kt-adv-heading99903_df06fd-cb[data-kb-block=\"kb-adv-heading99903_df06fd-cb\"] .kb-adv-text-inner{background-image:linear-gradient(270deg,rgb(4,137,214) 0%,rgb(1,94,155) 100%);background-clip:text;-webkit-box-decoration-break:clone;box-decoration-break:clone;-webkit-background-clip:text;-webkit-text-fill-color:transparent;}.wp-block-kadence-advancedheading.kt-adv-heading99903_df06fd-cb mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading99903_df06fd-cb[data-kb-block=\"kb-adv-heading99903_df06fd-cb\"] mark.kt-highlight{font-style:normal;-webkit-text-fill-color:initial !important;-webkit-background-clip:initial !important;background-clip:initial !important;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading99903_df06fd-cb img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading99903_df06fd-cb[data-kb-block=\"kb-adv-heading99903_df06fd-cb\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading99903_df06fd-cb, .wp-block-kadence-advancedheading.kt-adv-heading99903_df06fd-cb[data-kb-block=\"kb-adv-heading99903_df06fd-cb\"]{font-size:40px;}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading99903_df06fd-cb, .wp-block-kadence-advancedheading.kt-adv-heading99903_df06fd-cb[data-kb-block=\"kb-adv-heading99903_df06fd-cb\"]{font-size:36px;}}<\/style><h2 class=\"kt-adv-heading99903_df06fd-cb wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading99903_df06fd-cb\"><span class=\"kb-adv-text-inner\">\u60a8\u7684PFAS\u5206\u6790\u9700\u8981\u5e2e\u52a9\u5417\uff1f<\/span><\/h2>\n\n\n<p class=\"has-text-align-center has-17-font-size has-theme-palette-3-color has-text-color has-link-color wp-elements-f665c15039f1a4afbba75872873e13a0 wp-block-paragraph\" style=\"padding-right:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50);font-size:23px\">\u4ece\u65b9\u6cd5\u9009\u62e9\u5230\u4ea7\u54c1\u63a8\u8350\uff0cRestek PFAS \u4e13\u5bb6\u52a9\u60a8\u5e94\u5bf9\u590d\u6742\u5206\u6790\u6d41\u7a0b\uff0c\u83b7\u5f97\u51c6\u786e\u3001\u53ef\u9760\u7684\u5206\u6790\u7ed3\u679c\u3002<\/p>\n\n\n<style>.wp-block-kadence-advancedbtn.kb-btns99903_bac608-3f{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns99903_bac608-3f .kt-button{font-weight:normal;font-style:normal;}.kt-btns99903_bac608-3f .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns99903_bac608-3f .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns99903_bac608-3f .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns99903_bac608-3f .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns99903_bac608-3f .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns99903_bac608-3f .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns99903_bac608-3f .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns99903_bac608-3f\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn99903_980c0c-c6.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn99903_980c0c-c6.kb-button{color:var(--global-palette9, #ffffff);background:#61b522;font-size:var(--global-kb-font-size-md, 1.25rem);border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-right-radius:10px;border-bottom-left-radius:10px;border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}.kb-btn99903_980c0c-c6.kb-button .kb-svg-icon-wrap{color:var(--global-palette9, #ffffff);}.kb-btn99903_980c0c-c6.kb-button:hover .kb-svg-icon-wrap, .kb-btn99903_980c0c-c6.kb-button:focus .kb-svg-icon-wrap{color:#61b522;}.wp-block-kadence-advancedbtn .kb-btn99903_980c0c-c6.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn99903_980c0c-c6.kb-button:focus{color:#61b522;background:var(--global-palette9, #ffffff);border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn99903_980c0c-c6.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}@media all and (max-width: 1024px){.wp-block-kadence-advancedbtn .kb-btn99903_980c0c-c6.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn99903_980c0c-c6.kb-button:focus{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}@media all and (max-width: 767px){.wp-block-kadence-advancedbtn .kb-btn99903_980c0c-c6.kb-button{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}.wp-block-kadence-advancedbtn .kb-btn99903_980c0c-c6.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn99903_980c0c-c6.kb-button:focus{border-top:2px solid #61b522;border-right:2px solid #61b522;border-bottom:2px solid #61b522;border-left:2px solid #61b522;}}<\/style><a class=\"kb-button kt-button button kb-btn99903_980c0c-c6 kt-btn-size-standard kt-btn-width-type-auto kb-btn-global-outline kt-btn-has-text-true kt-btn-has-svg-true wp-block-kadence-singlebtn\" href=\"https:\/\/explore.restek.com\/PFAS\" target=\"_blank\" rel=\"noopener\"><span class=\"kt-btn-inner-text\"><strong>Contact a PFAS<\/strong> <strong>expert<\/strong><\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg 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York, PhD","avatar_url":{"url":"https:\/\/discover.restek.com\/wp-content\/uploads\/york-jamie-1000x1000-1-e1765483005988.jpg","url2x":"https:\/\/discover.restek.com\/wp-content\/uploads\/york-jamie-1000x1000-1-e1765483005988.jpg"},"author_category":"1","first_name":"Jamie","last_name":"York","user_url":"https:\/\/www.linkedin.com\/in\/jamielyork\/","job_title":"Principal Scientist, LC Solutions","description":"Jamie York is a principal scientist in the Applications Lab at Restek Corporation. She leads the development of innovative analytical methods tailored to the food, clinical, environmental, and cannabis markets. Jamie earned her PhD in chemistry from The University of Texas at Arlington, where she gained extensive expertise in a range of analytical techniques, including gas chromatography\u2013vacuum ultraviolet (GC\u2013VUV); gas chromatography\u2013mass spectrometry (GC\u2013MS); matrix-assisted laser desorption\/ionization (MALDI); and liquid chromatography\u2013 mass spectrometry (LC\u2013MS\/MS); with a research emphasis on food and environmental analysis. Today, her work focuses on complex method development and advanced sample preparation strategies to support the evolving needs of the scientific community."}],"_links":{"self":[{"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/posts\/104047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/users\/47"}],"replies":[{"embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/comments?post=104047"}],"version-history":[{"count":1,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/posts\/104047\/revisions"}],"predecessor-version":[{"id":104048,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/posts\/104047\/revisions\/104048"}],"wp:attachment":[{"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/media?parent=104047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/categories?post=104047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/tags?post=104047"},{"taxonomy":"industries-application","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/industries-application?post=104047"},{"taxonomy":"post-badge","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/post-badge?post=104047"},{"taxonomy":"resource-type","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/resource-type?post=104047"},{"taxonomy":"product-library","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/product-library?post=104047"},{"taxonomy":"resource-technique","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/resource-technique?post=104047"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/discover.restek.com\/zh-hans\/wp-json\/wp\/v2\/ppma_author?post=104047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}