{"id":103508,"date":"2026-09-03T21:42:41","date_gmt":"2026-09-03T21:42:41","guid":{"rendered":"https:\/\/discover.restek.com\/?p=103508"},"modified":"2026-09-16T09:24:53","modified_gmt":"2026-09-16T09:24:53","slug":"ultrashort-chain-compounds-pfas-analysis-in-waters","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/zh-hans\/application-notes-zh\/ultrashort-chain-compounds-pfas-analysis-in-waters\/","title":{"rendered":"\u5c06\u8d85\u77ed\u94fe\u5316\u5408\u7269\u7eb3\u5165\u6c34\u4e2d PFAS \u7efc\u5408\u5206\u6790"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u6458\u8981<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u7814\u7a76\u5efa\u7acb\u4e86\u4e00\u79cd\u7b80\u5355\u53ef\u9760\u7684\u5de5\u4f5c\u6d41\u7a0b\uff0c\u7528\u4e8e\u5206\u6790\u996e\u7528\u6c34\u548c\u975e\u996e\u7528\u6c34\u4e2d45\u79cdPFAS\u5316\u5408\u7269\u3002\u76ee\u6807\u5206\u6790\u7269\u5305\u62ecC2-C14 \u5168\u6c1f\u70f7\u57fa\u7fa7\u9178 \uff08PFCA\uff09;C1-C13 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min\uff0c\u5e76\u4e14\u89c2\u5bdf\u5230\u5bbd\u5cf0[2]\u3002\u6211\u4eec\u4e4b\u524d\u5f00\u53d1\u4e86\u4e00\u79cd\u4f7f\u7528\u6df7\u5408HILIC\u548c\u79bb\u5b50\u4ea4\u6362\u6db2\u76f8\u8272\u8c31\u67f1\u5feb\u901f\u5206\u6790\u6c34\u6837\u4e2d\u8d85\u77ed\u94fe\u548c\u77ed\u94fePFAS\u7684\u65b9\u6cd5[3]\uff0c\u4f46\u8be5\u65b9\u6cd5\u5e76\u672a\u52a0\u5165\u957f\u94fePFAS\u3002\u6700\u8fd1\uff0c\u6211\u4eec\u5f00\u53d1\u4e86\u4e00\u79cd\u5229\u7528\u6781\u6027\u5d4c\u5165\u70f7\u57fa\u6db2\u76f8\u8272\u8c31\u67f1\u5b9a\u91cf\u4eba\u8840\u6d46\u548c\u8840\u6e05\u4e2dC1-C10 PFAS \u7684\u65b9\u6cd5[4]\u3002\u57fa\u4e8e\u8be5\u65b9\u6cd5\u7684\u6709\u6548\u6027\uff0c\u6211\u4eec\u5c06\u5176\u7528\u4f5c\u5f53\u524d\u7814\u7a76\u7684\u8d77\u70b9\uff0c\u65e8\u5728\u5f00\u53d1\u4e00\u79cd\u65b0\u65b9\u6cd5\u6765\u68c0\u6d4b\u6c34\u57fa\u8d28\u4e2d\u66f4\u5e7f\u6cdb\u7684PFAS\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u7814\u7a76\u4f7f\u7528\u5e26\u6709\u6781\u6027\u5305\u57cb\u70f7\u57fa\u56fa\u5b9a\u76f8\u7684\u6db2\u76f8\u8272\u8c31\u67f1\uff0c\u4ee5\u786e\u4fdd\u5145\u5206\u4fdd\u7559\u65e9\u671f\u6d17\u8131\u7684\u6781\u6027\u5316\u5408\u7269\u3002\u6b64\u5916\uff0c\u8be5\u8272\u8c31\u67f1\u7531\u7ecf\u8fc7\u60f0\u6027\u6d82\u5c42\u5904\u7406\u7684\u786c\u4ef6\u5236\u6210\uff0c\u901a\u8fc7\u9632\u6b62\u5206\u6790\u7269\u4e0e\u4e0d\u9508\u94a2\u8272\u8c31\u67f1\u53d1\u751f\u4efb\u4f55\u4e0d\u5fc5\u8981\u7684\u76f8\u4e92\u4f5c\u7528\u6765\u63d0\u9ad8\u7075\u654f\u5ea6\u3002\u4f7f\u7528\u8be5\u8d85\u9ad8\u60f0\u6027 IBD \u8272\u8c31\u67f1\uff0c\u5f00\u53d1\u4e86\u4e00\u79cd\u7b80\u5355\u53ef\u9760\u7684\u5de5\u4f5c\u6d41\u7a0b\uff0c\u7528\u4e8e\u540c\u65f6\u5206\u6790 C1 \u81f3 C14 \u5168\u6c1f\u70f7\u57fa\u7fa7\u9178\u548c\u78fa\u9178\u4ee5\u53ca\u5176\u4ed6 PFAS \u7ec4\u3002\u8bc4\u4f30\u4e86\u5404\u79cd\u996e\u7528\u6c34\u548c\u975e\u996e\u7528\u6c34\u57fa\u8d28\u4e2d\u7684\u7ebf\u6027\u3001\u51c6\u786e\u5ea6\u3001\u7cbe\u5bc6\u5ea6\u548c\u9002\u7528\u6027\u3002<\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article-top\"><div class=\"chromatogram-article-placeholder\"><div class=\"figure-heading\">\u56fe 1: C1 &#8211; C3 PFAS \u7ed3\u6784<\/div><div class='chromatogram-article-inner-full'><div class=\"chromatogram-article-inner\">\n<style>.kb-image103508_b8aa79-6c .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image103508_b8aa79-6c\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"689\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-CFAN4273-01-1024x689.jpg\" alt=\"\" class=\"kb-img wp-image-19120\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-CFAN4273-01-1024x689.jpg 1024w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-CFAN4273-01-300x202.jpg 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-CFAN4273-01-768x517.jpg 768w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-CFAN4273-01-1536x1033.jpg 1536w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-CFAN4273-01.jpg 1800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n<\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9e\u9a8c\u8fc7\u7a0b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6c34\u6837<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5e9f\u6c34\u6837\u672c\u6765\u81ea\u901a\u7528\u52a8\u529b\u4fe1\u606f\u6280\u672f\u516c\u53f8\uff08Falls Church, VA\uff09\uff0c\u6c61\u6c34\u6837\u672c\u6765\u81ea\u516c\u6709\u6c61\u6c34\u5904\u7406\u5382\uff08POTW\uff09\u3001\u533b\u9662\u3001\u91d1\u5c5e\u7cbe\u52a0\u5de5\u5382\u3001\u5316\u5b66\u54c1\u5236\u9020\u5546\uff0c\u74f6\u88c5\u6c34\u8d2d\u81ea\u5f53\u5730\u6742\u8d27\u5e97\u3002\u81ea\u6765\u6c34\u6765\u81eaRestek\u516c\u53f8\uff08Bellefonte, PA\uff09\u53ca\u5f53\u5730\u5bb6\u5ead\u3002\u6b64\u5916\uff0c\u8fd8\u4ece\u5bbe\u5915\u6cd5\u5c3c\u4e9a\u5dde\u4e2d\u90e8\u5730\u533a\u6536\u96c6\u4e86 1 \u4e2a\u5929\u7136\u6cc9\u6c34\u30012 \u4e2a\u4e95\u6c34\u548c 3 \u4e2a\u5c0f\u6eaa\u6c34\u3002\u5c40\u670d\u52a1\u7684\u5f53\u5730\u5bb6\u5ead\u6536\u96c6\u7684\u3002\u6b64\u5916\uff0c\u4ece\u5bbe\u5915\u6cd5\u5c3c\u4e9a\u5dde\u4e2d\u90e8\u5730\u533a\u6536\u96c6\u4e86\u4e00\u4efd\u5929\u7136\u6cc9\u6c34\u3001\u4e24\u53e3\u4e95\u7684\u4e95\u6c34\u548c\u4e09\u6761\u5c0f\u6eaa\u7684\u6eaa\u6c34\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6807\u51c6\u54c1\u548c\u6837\u54c1\u5236\u5907<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u805a\u4e19\u70ef\u6837\u54c1\u74f6\u4e2d\uff0c\u7528\u7ecf\u53cd\u6e17\u900f\u819c\u8fc7\u6ee4\u7684\u6c34\u5236\u5907\u6821\u51c6\u66f2\u7ebf\u6240\u9700\u6807\u51c6\u54c1\u6eb6\u6db2\uff08\u6bcf\u4efd250\u03bcL\uff09\uff0c\u6d53\u5ea6\u8303\u56f4\u4e3a1-1000ng\/L\u3002\u4f7f\u7528\u4e94\u79cd\u8d28\u91cf\u6807\u8bb0\u7684PFAS\u4f5c\u4e3a\u5b9a\u91cf\u5185\u6807\uff08QIS\uff09\uff08\u8868I\uff09\u3002\u53d62\u03bcL\u7684QIS\u5de5\u4f5c\u6eb6\u6db2\uff0c\u5176\u4e2d\u542b40 ng\/mL\u768413C3-PFBA\u300120ng\/mL\u768413C2-PFHxA\u548c13C4-PFOA\u300110ng\/mL\u768413C5-PFNA\u548c1313C2-PFDA\uff0c\u7136\u540e\u4e0e250\u03bcL\u542b1%\u4e59\u9178\u7684\u7532\u9187\u6df7\u5408\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u81ea\u6765\u6c34\u3001\u74f6\u88c5\u6cc9\u6c34\u548c\u6765\u81eaPOTW\u8bbe\u65bd\u7684\u5904\u7406\u8fc7\u7684\u6c61\u6c34\u5e9f\u6c34\u7528\u4e8e\u8bc4\u4f30\u65b9\u6cd5\u7684\u51c6\u786e\u6027\u548c\u7cbe\u5bc6\u5ea6\u3002\u81ea\u6765\u6c34\u548c\u74f6\u88c5\u6c34\u76f4\u63a5\u4f7f\u7528\uff0c\u65e0\u9700\u8fc7\u6ee4\u3002\u7528\u805a\u4e19\u70ef\u6ce8\u5c04\u5668\u8fc7\u6ee4\u5668\uff08\u76ee\u5f55#28936\uff09\u8fc7\u6ee4POTW\u6c34\uff08\u7ea610 mL\uff09\uff0c\u5e76\u6536\u96c6\u572850 mL\u805a\u4e19\u70ef\u7ba1\uff08\u76ee\u5f55#25846\uff09\u4e2d\u3002\u8fd9\u4e9b\u6c34\u6837\uff08250\u03bcL\uff09\u4ee52\u30014\u300110\u300150\u548c250 ppt\u7684\u6d53\u5ea6\u7528\u5929\u7136\u5206\u6790\u7269\u548c\u540c\u4f4d\u7d20\u6807\u8bb0\u768413C-TFA\u8fdb\u884c\u5f3a\u5316\uff0c\u4f5c\u4e3a\u6d4b\u5b9aTFA\u56de\u6536\u7387\u7684\u66ff\u4ee3\u54c1\u3002\u5982\u8868I\u6240\u793a\uff0c\u5c06\u6bcf\u4e2a\u5f3a\u5316\u6837\u54c1\u4e0e2\u03bcL QIS\u5de5\u4f5c\u6eb6\u6db2\u548c2.5\u03bcL\u542b\u670910ng\/mL\u8d28\u91cf\u6807\u8bb0PFAS\u7684\u63d0\u53d6\u5185\u6807\uff08EIS\uff09\u5de5\u4f5c\u6eb6\u6db2\u6df7\u5408\u3002\u7136\u540e\u52a0\u5165250\u03bcL\u542b1%\u4e59\u9178\u7684\u7532\u9187\u7b49\u5206\u8bd5\u6837\uff0c\u5e76\u4e0e\u5f3a\u5316\u6837\u54c1\u6df7\u5408\uff0c\u7528\u4e8eLC-MS\/MS\u5206\u6790\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5206\u6790\u7cfb\u7edf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e0b\u8ff0\u6761\u4ef6\u4e0b\uff0c\u901a\u8fc7LC-MS\/MS\u5bf9\u6c34\u6837\u4e2d\u7684C1-C14 PFAS\u8fdb\u884c\u5206\u6790\u3002\u5728\u6df7\u5408\u5668\u548c\u6ce8\u5c04\u5668\u4e4b\u95f4\u5b89\u88c5\u4e86\u4e00\u4e2aPFAS\u5ef6\u8fdf\u67f1\uff0c\u4ee5\u9632\u6b62\u6ce8\u5c04\u5668\u4e0a\u6e38\u7684\u4efb\u4f55\u6f5c\u5728PFAS\u6c61\u67d3\u4e0e\u6837\u54c1\u4e2d\u7684PFAS\u6df7\u6eb6\u3002\u8868I\u63d0\u4f9b\u4e86\u6bcf\u79cd\u5206\u6790\u7269\u7684MS\/MS\u8f6c\u6362\u53c2\u6570\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"border-style:none;border-width:0px\"><tbody><tr><td colspan=\"2\">\u4eea\u5668\u7cfb\u7edf: Waters ACQUITY UPLC \u548c Xevo TQ-S \u4e09\u91cd\u56db\u6781\u6746\u8d28\u8c31\u4eea<\/td><\/tr><tr><td colspan=\"2\">\u8272\u8c31\u67f1: <br>\u5206\u6790\u67f1: Ultra Inert IBD, 100 mm x 2.1 mm, 3 \u03bcm (\u8d27\u53f79175312-T)<br>100 mm x 2.1 mm, 3 \u03bcm (\u8d27\u53f79175312-T)<\/td><\/tr><tr><td colspan=\"2\">\u8fdb\u6837\u91cf: 45 \u00b5L<\/td><\/tr><tr><td colspan=\"2\">\u6d41\u52a8\u76f8 A: 5 mM\u7532\u9178\u94f5\uff0c0.1%\u7532\u9178\u6c34\u6eb6\u6db2<\/td><\/tr><tr><td colspan=\"2\">\u6d41\u52a8\u76f8 B: \u4e59\u8148<\/td><\/tr><tr><td colspan=\"2\">\u6d41\u901f: 0.4 mL\/min<\/td><\/tr><tr><td colspan=\"2\">\u67f1\u6e29: 40 \u00b0C<\/td><\/tr><tr><td>\u68af\u5ea6:<\/td><td>&nbsp;<\/td><\/tr><tr><td>\u65f6\u95f4 (min)<\/td><td>%B<\/td><\/tr><tr><td>0.00<\/td><td>50<\/td><\/tr><tr><td>7.00<\/td><td>95<\/td><\/tr><tr><td>10.00<\/td><td>95<\/td><\/tr><tr><td>10.01<\/td><td>50<\/td><\/tr><tr><td>12.00<\/td><td>50<\/td><\/tr><tr><td colspan=\"2\">\u79bb\u5b50\u5316\u65b9\u5f0f: ESI-<\/td><\/tr><tr><td colspan=\"2\">\u626b\u63cf\u6a21\u5f0f: Scheduled MRM<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868 I: \u8d28\u8c31\u591a\u53cd\u5e94\u76d1\u6d4b\u6761\u4ef6\u548c\u5206\u6790\u7269\u4fdd\u7559\u65f6\u95f4<\/p>\n\n\n<figure class=\"wp-block-table\">\n<table>\n<tbody>\n<tr>\n<td><strong>Compounds<\/strong><\/td>\n<td><strong>Time (min)<\/strong><\/td>\n<td><strong>Precursor Ion<\/strong><\/td>\n<td><strong>Product\u00a0<\/strong><strong>Ions*<\/strong><\/td>\n<td><strong>Cone (V)<\/strong><\/td>\n<td><strong>Collision (V)<\/strong><\/td>\n<td><strong>Internal Standard<\/strong><\/td>\n<\/tr>\n<tr style=\"background-color: #fbf3f0;\">\n<td colspan=\"7\"><strong><em>Target Analytes<\/em><\/strong><\/td>\n<\/tr>\n<tr style=\"background-color: #e7f1fa;\">\n<td colspan=\"7\"><strong>Perfluoroalkyl carboxylic acids<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Trifluoroacetic acid (TFA)<\/td>\n<td>2.12<\/td>\n<td>113.03 [M-H]-<\/td>\n<td>69.01<\/td>\n<td>10<\/td>\n<td>10<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr>\n<td>Perfluoropropanoic acid (PFPrA)<\/td>\n<td>2.69<\/td>\n<td>162.97 [M-H]-<\/td>\n<td>119.02<\/td>\n<td>10<\/td>\n<td>8<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorobutanoic acid (PFBA)<\/td>\n<td>3.27<\/td>\n<td>213.03 [M-H]-<\/td>\n<td>168.98<\/td>\n<td>14<\/td>\n<td>8<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr>\n<td>Perfluoropentanoic acid (PFPeA)<\/td>\n<td>3.94<\/td>\n<td>262.97 [M-H]-<\/td>\n<td>218.97<\/td>\n<td>2<\/td>\n<td>6<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorohexanoic acid (PFHxA)<\/td>\n<td>4.59<\/td>\n<td>313.10 [M-H]-<\/td>\n<td>268.97\/118.99<\/td>\n<td>2<\/td>\n<td>8\/20<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td>Perfluoroheptanoic acid (PFHpA)<\/td>\n<td>5.24<\/td>\n<td>363.16 [M-H]-<\/td>\n<td>319.09\/169.06<\/td>\n<td>8<\/td>\n<td>10\/18<\/td>\n<td><sup>13<\/sup>C<sub>4<\/sub>-PFOA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorooctanoic acid (PFOA)<\/td>\n<td>5.86<\/td>\n<td>413.10 [M-H]-<\/td>\n<td>368.96\/168.90<\/td>\n<td>2<\/td>\n<td>10\/16<\/td>\n<td><sup>13<\/sup>C<sub>4<\/sub>-PFOA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorononanoic acid (PFNA)<\/td>\n<td>6.45<\/td>\n<td>463.10 [M-H]-<\/td>\n<td>419.01\/219.02<\/td>\n<td>4<\/td>\n<td>10\/16<\/td>\n<td><sup>13<\/sup>C<sub>5<\/sub>-PFNA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorodecanoic acid (PFDA)<\/td>\n<td>7.03<\/td>\n<td>513.17 [M-H]-<\/td>\n<td>469.16\/219.06<\/td>\n<td>4<\/td>\n<td>12\/16<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr>\n<td>Perfluoroundecanoic acid (PFUnA)<\/td>\n<td>7.60<\/td>\n<td>563.23 [M-H]-<\/td>\n<td>519.24\/269.07<\/td>\n<td>6<\/td>\n<td>12\/18<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorododecanoic acid (PFDoA)<\/td>\n<td>8.23<\/td>\n<td>613.23 [M-H]-<\/td>\n<td>569.19\/169.06<\/td>\n<td>8<\/td>\n<td>12\/26<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorotridecanoic acid (PFTrDA)<\/td>\n<td>8.99<\/td>\n<td>663.23 [M-H]-<\/td>\n<td>619.21\/169.06<\/td>\n<td>8<\/td>\n<td>14\/28<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorotetradecanoic acid (PFTeDA)<\/td>\n<td>9.83<\/td>\n<td>712.67 [M-H]-<\/td>\n<td>668.69\/168.94<\/td>\n<td>10<\/td>\n<td>12\/26<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr style=\"background-color: #e7f1fa;\">\n<td colspan=\"7\"><strong>Perfluoroalkyl sulfonic acids<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Trifluoromethanesulfonic acid (TFMS)<\/td>\n<td>2.36<\/td>\n<td>148.97 [M-H]-<\/td>\n<td>79.93\/98.92<\/td>\n<td>62<\/td>\n<td>18\/18<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr>\n<td>Perfluoroethanesulfonic acid (PFEtS)<\/td>\n<td>2.89<\/td>\n<td>198.90 [M-H]-<\/td>\n<td>79.92\/98.91<\/td>\n<td>38<\/td>\n<td>22\/22<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr>\n<td>Perfluoropropanesulfonic acid (PFPrS)<\/td>\n<td>3.44<\/td>\n<td>248.97 [M-H]-<\/td>\n<td>79.92\/98.91<\/td>\n<td>2<\/td>\n<td>24\/24<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorobutanesulfonic acid (PFBS)<\/td>\n<td>3.97<\/td>\n<td>298.97 [M-H]-<\/td>\n<td>79.97\/98.89<\/td>\n<td>2<\/td>\n<td>26\/26<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td>Perfluoropentanesulfonic acid (PFPeS)<\/td>\n<td>4.50<\/td>\n<td>349.10 [M-H]-<\/td>\n<td>79.98\/98.98<\/td>\n<td>6<\/td>\n<td>32\/30<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorohexanesulfonic acid (PFHxS)<\/td>\n<td>5.01<\/td>\n<td>398.90 [M-H]-<\/td>\n<td>79.97\/98.89<\/td>\n<td>56<\/td>\n<td>32\/34<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td>Perfluoroheptanesulfonic acid (PFHpS)<\/td>\n<td>5.50<\/td>\n<td>449.17 [M-H]-<\/td>\n<td>79.98\/98.97<\/td>\n<td>4<\/td>\n<td>42\/38<\/td>\n<td><sup>13<\/sup>C<sub>4<\/sub>-PFOA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorooctanesulfonic acid (PFOS)<\/td>\n<td>5.96<\/td>\n<td>499.03 [M-H]-<\/td>\n<td>79.92\/98.90<\/td>\n<td>8<\/td>\n<td>40\/40<\/td>\n<td><sup>13<\/sup>C<sub>4<\/sub>-PFOA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorononanesulfonic acid (PFNS)<\/td>\n<td>6.38<\/td>\n<td>549.10 [M-H]-<\/td>\n<td>79.92\/98.83<\/td>\n<td>12<\/td>\n<td>42\/40<\/td>\n<td><sup>13<\/sup>C<sub>5<\/sub>-PFNA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorodecanesulfonic acid (PFDS)<\/td>\n<td>6.77<\/td>\n<td>599.17 [M-H]-<\/td>\n<td>79.98\/98.83<\/td>\n<td>8<\/td>\n<td>44\/46<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr>\n<td>Perfluoroundecanesulfonic acid (PFUdS)<\/td>\n<td>7.12<\/td>\n<td>648.73 [M-H]-<\/td>\n<td>79.94\/98.94<\/td>\n<td>38<\/td>\n<td>50\/44<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorododecanesulfonic acid (PFDoS)<\/td>\n<td>7.44<\/td>\n<td>698.77 [M-H]-<\/td>\n<td>79.95\/98.94<\/td>\n<td>10<\/td>\n<td>60\/44<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr>\n<td>Perfluorotridecanesulfonic acid (PFTrDS)<\/td>\n<td>7.73<\/td>\n<td>748.73 [M-H]-<\/td>\n<td>79.94\/98.94<\/td>\n<td>8<\/td>\n<td>76\/52<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr style=\"background-color: #e7f1fa;\">\n<td colspan=\"7\"><strong>Fluorotelomer sulfonic acids<\/strong><\/td>\n<\/tr>\n<tr>\n<td>1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)<\/td>\n<td>4.22<\/td>\n<td>327.10 [M-H]-<\/td>\n<td>307.08\/80.83<\/td>\n<td>50<\/td>\n<td>18\/24<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td>1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)<\/td>\n<td>5.75<\/td>\n<td>427.17 [M-H]-<\/td>\n<td>407.18\/80.71<\/td>\n<td>2<\/td>\n<td>22\/32<\/td>\n<td><sup>13<\/sup>C<sub>4<\/sub>-PFOA<\/td>\n<\/tr>\n<tr>\n<td>1H,1H,2H,2H-Perfluorodecane sulfonic acid (8:2 FTS)<\/td>\n<td>7.22<\/td>\n<td>527.17 [M-H]-<\/td>\n<td>507.16\/80.83<\/td>\n<td>66<\/td>\n<td>26\/32<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr style=\"background-color: #e7f1fa;\">\n<td colspan=\"7\"><strong>Fluorotelomer carboxylic acids<\/strong><\/td>\n<\/tr>\n<tr>\n<td>3-Perfluoropropyl propanoic acid (3:3 FTCA)<\/td>\n<td>1.64<\/td>\n<td>241.00 [M-H]-<\/td>\n<td>177.00\/117.00<\/td>\n<td>2<\/td>\n<td>6\/6<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr>\n<td>3-Perfluoropentyl propanoic acid (5:3 FTCA)<\/td>\n<td>2.49<\/td>\n<td>340.93 [M-H]-<\/td>\n<td>216.96\/236.93<\/td>\n<td>2<\/td>\n<td>24\/14<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr>\n<td>3-Perfluoroheptyl propanoic acid (7:3 FTCA)<\/td>\n<td>3.61<\/td>\n<td>440.90 [M-H]-<\/td>\n<td>336.88\/316.91<\/td>\n<td>20<\/td>\n<td>12\/22<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr style=\"background-color: #e7f1fa;\">\n<td colspan=\"7\"><strong>Perfluorooctane sulfonamides<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Perfluorooctanesulfonamide (FOSA)<\/td>\n<td>3.36<\/td>\n<td>498.17 [M-H]-<\/td>\n<td>77.97\/477.76<\/td>\n<td>8<\/td>\n<td>28\/26<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr>\n<td>N-methyl perfluorooctanesulfonamide (NMeFOSA)<\/td>\n<td>3.96<\/td>\n<td>511.77 [M-H]-<\/td>\n<td>168.95\/218.91<\/td>\n<td>2<\/td>\n<td>26\/24<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td>N-ethyl perfluorooctanesulfonamide (NEtFOSA)<\/td>\n<td>4.26<\/td>\n<td>525.83 [M-H]-<\/td>\n<td>168.96\/218.92<\/td>\n<td>10<\/td>\n<td>26\/24<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr style=\"background-color: #e7f1fa;\">\n<td colspan=\"7\"><strong>Perfluorooctane sulfonamidoacetic acids<\/strong><\/td>\n<\/tr>\n<tr>\n<td>N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)<\/td>\n<td>6.44<\/td>\n<td>570.20 [M-H]-<\/td>\n<td>419.17\/483.16<\/td>\n<td>46<\/td>\n<td>20\/14<\/td>\n<td><sup>13<\/sup>C<sub>5<\/sub>-PFNA<\/td>\n<\/tr>\n<tr>\n<td>N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)<\/td>\n<td>6.56<\/td>\n<td>584.20 [M-H]-<\/td>\n<td>419.18\/483.11<\/td>\n<td>6<\/td>\n<td>20\/16<\/td>\n<td><sup>13<\/sup>C<sub>5<\/sub>-PFNA<\/td>\n<\/tr>\n<tr style=\"background-color: #e7f1fa;\">\n<td colspan=\"7\"><strong>Per- and polyfluoroether carboxylic acids<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Perfluoro-3-methoxypropanoic acid (PFMPA)<\/td>\n<td>3.40<\/td>\n<td>228.93 [M-H]-<\/td>\n<td>84.97\/198.94<\/td>\n<td>10<\/td>\n<td>10\/14<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr>\n<td>Perfluoro-4-methoxybutanoic acid (PFMBA)<\/td>\n<td>4.00<\/td>\n<td>278.87 [M-H]-<\/td>\n<td>84.96\/234.93<\/td>\n<td>8<\/td>\n<td>10\/6<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td>Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)<\/td>\n<td>4.06<\/td>\n<td>294.93 [M-H]-<\/td>\n<td>200.91\/85.02<\/td>\n<td>8<\/td>\n<td>4\/22<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td>Hexafluoropropylene oxide dimer acid (HFPO-DA)<\/td>\n<td>4.46<\/td>\n<td>285.03 [M-COOH]-<\/td>\n<td>169.02\/185.02<\/td>\n<td>2<\/td>\n<td>6\/16<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td>4,8-Dioxa-3H-perfluorononanoic acid (ADONA)<\/td>\n<td>4.63<\/td>\n<td>376.90 [M-H]-<\/td>\n<td>250.93\/84.97<\/td>\n<td>22<\/td>\n<td>12\/26<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr style=\"background-color: #e7f1fa;\">\n<td colspan=\"7\"><strong>Ether sulfonic acids<\/strong><\/td>\n<\/tr>\n<tr>\n<td>Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)<\/td>\n<td>4.04<\/td>\n<td>314.83 [M-H]-<\/td>\n<td>134.94\/83.01<\/td>\n<td>4<\/td>\n<td>22\/16<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td>9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)<\/td>\n<td>5.88<\/td>\n<td>530.78 [M-H]-<\/td>\n<td>350.85\/82.96<\/td>\n<td>12<\/td>\n<td>26\/24<\/td>\n<td><sup>13<\/sup>C<sub>4<\/sub>-PFOA<\/td>\n<\/tr>\n<tr>\n<td>11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)<\/td>\n<td>6.56<\/td>\n<td>630.78 [M-H]-<\/td>\n<td>450.80\/82.95<\/td>\n<td>8<\/td>\n<td>26\/32<\/td>\n<td><sup>13<\/sup>C<sub>5<\/sub>-PFNA<\/td>\n<\/tr>\n<tr style=\"background-color: #fbf3f0;\">\n<td colspan=\"7\"><em><strong>Extracted Internal Standards<\/strong><\/em><\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFPrA<\/td>\n<td>2.69<\/td>\n<td>165.97 [M-H]-<\/td>\n<td>120.96<\/td>\n<td>10<\/td>\n<td>11<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>4<\/sub>-PFBA<\/td>\n<td>3.27<\/td>\n<td>217.03 [M-H]-<\/td>\n<td>171.98<\/td>\n<td>2<\/td>\n<td>8<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>5<\/sub>-PFPeA<\/td>\n<td>3.94<\/td>\n<td>267.97 [M-H]-<\/td>\n<td>222.99<\/td>\n<td>2<\/td>\n<td>6<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>5<\/sub>-PFHxA<\/td>\n<td>4.59<\/td>\n<td>318.03 [M-H]-<\/td>\n<td>272.93<\/td>\n<td>2<\/td>\n<td>7<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>4<\/sub>-PFHpA<\/td>\n<td>5.24<\/td>\n<td>366.90 [M-H]-<\/td>\n<td>321.93<\/td>\n<td>2<\/td>\n<td>10<\/td>\n<td><sup>13<\/sup>C<sub>4<\/sub>-PFOA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>8<\/sub>-PFOA<\/td>\n<td>5.86<\/td>\n<td>420.97 [M-H]-<\/td>\n<td>375.94<\/td>\n<td>2<\/td>\n<td>10<\/td>\n<td><sup>13<\/sup>C<sub>4<\/sub>-PFOA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>6<\/sub>-PFDA<\/td>\n<td>7.03<\/td>\n<td>518.90 [M-H]-<\/td>\n<td>473.87<\/td>\n<td>4<\/td>\n<td>13<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>7<\/sub>-PFUnA<\/td>\n<td>7.60<\/td>\n<td>569.90 [M-H]-<\/td>\n<td>524.87<\/td>\n<td>2<\/td>\n<td>12<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDoA<\/td>\n<td>8.23<\/td>\n<td>614.84 [M-H]-<\/td>\n<td>569.87<\/td>\n<td>2<\/td>\n<td>12<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFTeDA<\/td>\n<td>9.83<\/td>\n<td>714.78 [M-H]-<\/td>\n<td>669.80<\/td>\n<td>8<\/td>\n<td>14<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBS<\/td>\n<td>3.97<\/td>\n<td>301.97 [M-H]-<\/td>\n<td>79.97<\/td>\n<td>2<\/td>\n<td>28<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFHxS<\/td>\n<td>5.01<\/td>\n<td>401.90 [M-H]-<\/td>\n<td>79.97<\/td>\n<td>2<\/td>\n<td>36<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>8<\/sub>-PFOS<\/td>\n<td>5.96<\/td>\n<td>506.84 [M-H]-<\/td>\n<td>79.97<\/td>\n<td>4<\/td>\n<td>42<\/td>\n<td><sup>13<\/sup>C<sub>4<\/sub>-PFOA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>2<\/sub>-4:2 FTS<\/td>\n<td>4.22<\/td>\n<td>328.97 [M-H]-<\/td>\n<td>308.96<\/td>\n<td>2<\/td>\n<td>18<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>2<\/sub>-8:2 FTS<\/td>\n<td>7.22<\/td>\n<td>528.90 [M-H]-<\/td>\n<td>508.90<\/td>\n<td>2<\/td>\n<td>24<\/td>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>8<\/sub>-FOSA<\/td>\n<td>3.36<\/td>\n<td>505.91 [M-H]-<\/td>\n<td>77.95<\/td>\n<td>4<\/td>\n<td>32<\/td>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<\/tr>\n<tr>\n<td>d3-NMeFOSAA<\/td>\n<td>6.44<\/td>\n<td>572.90 [M-H]-<\/td>\n<td>418.91<\/td>\n<td>50<\/td>\n<td>18<\/td>\n<td><sup>13<\/sup>C<sub>5<\/sub>-PFNA<\/td>\n<\/tr>\n<tr>\n<td>d5-NEtFOSAA<\/td>\n<td>6.56<\/td>\n<td>588.97 [M-H]-<\/td>\n<td>418.86<\/td>\n<td>48<\/td>\n<td>20<\/td>\n<td><sup>13<\/sup>C<sub>5<\/sub>-PFNA<\/td>\n<\/tr>\n<tr style=\"background-color: #fbf3f0;\">\n<td colspan=\"7\"><em><strong>Quantification Internal Standards<\/strong><\/em><\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>3<\/sub>-PFBA<\/td>\n<td>3.27<\/td>\n<td>215.97 [M-H]-<\/td>\n<td>171.97<\/td>\n<td>10<\/td>\n<td>8<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFHxA<\/td>\n<td>4.59<\/td>\n<td>314.97 [M-H]-<\/td>\n<td>269.93<\/td>\n<td>8<\/td>\n<td>8<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>4<\/sub>-PFOA<\/td>\n<td>5.86<\/td>\n<td>416.87 [M-H]-<\/td>\n<td>371.88<\/td>\n<td>2<\/td>\n<td>8<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>5<\/sub>-PFNA<\/td>\n<td>6.45<\/td>\n<td>467.87 [M-H]-<\/td>\n<td>422.89<\/td>\n<td>16<\/td>\n<td>10<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td><sup>13<\/sup>C<sub>2<\/sub>-PFDA<\/td>\n<td>7.03<\/td>\n<td>514.87 [M-H]-<\/td>\n<td>469.84<\/td>\n<td>8<\/td>\n<td>10<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/figure>\n\n\n<p class=\"wp-block-paragraph\">*Quantifier ion\/qualifier ion.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u679c\u4e0e\u8ba8\u8bba<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">LC-MS\/MS \u65b9\u6cd5\u5f00\u53d1<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5efa\u7acb\u4e86\u4e00\u79cd\u6709\u6548\u7684\u8272\u8c31\u65b9\u6cd5\uff0c\u7528\u4e8e\u5168\u9762\u5206\u6790\u996e\u7528\u6c34\u548c\u975e\u996e\u7528\u6c34\u6837\u54c1\u4e2d\u7684 45 \u79cd PFAS\uff0c\u5305\u62ec\u8d85\u77ed\u94fe\u5316\u5408\u7269\uff08\u56fe 2\uff09\u3002\u60f0\u6027Ultra IBD \u8272\u8c31\u67f1\u5728\u53cd\u76f8\u6761\u4ef6\u4e0b\u8868\u73b0\u51fa\u4f18\u5f02\u7684\u8272\u8c31\u6027\u80fd\uff0c\u5b98\u80fd\u56e2\u4e2d\u5d4c\u5165\u7684\u6781\u6027\u57fa\u56e2\u5bf9 TFA \u548c\u5176\u4ed6\u65e9\u671f\u6d17\u8131 PFAS \u5177\u6709\u826f\u597d\u7684\u4fdd\u7559\u3002\u6b64\u5916\uff0c\u5982\u56fe 3 \u6240\u793a\uff0c\u4e0e\u5e38\u89c4\u8272\u8c31\u67f1\u76f8\u6bd4\uff0c\u60f0\u6027\u786c\u4ef6\u4f7f\u5927\u591a\u6570\u5206\u6790\u7269\u7684\u68c0\u6d4b\u7075\u654f\u5ea6\u663e\u8457\u63d0\u9ad8\uff08\u5cf0\u9762\u79ef\u589e\u52a0 3-70%\uff0c\u5cf0\u9ad8\u589e\u52a0 5-75%\uff09\u3002<\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article-top\"><div class=\"chromatogram-article-placeholder\"><div class=\"figure-heading\">\u56fe 2\uff1a500ppt PFAS \u6807\u51c6\u54c1\u8c31\u56fe<\/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_ev0597.png\" alt=\"Incorporating Ultrashort-Chain Compounds into the Comprehensive Analysis of PFAS in Water Matrices on Ultra IBD Inert\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> LC_EV0597<\/p><div class=\"chromatogram-related-skus\"><h4>Related SKUs<\/h4><ul><li>30734<\/li><li>9175312-T<\/li><li>27854<\/li><\/ul><\/div><div class=\"chromatogram-related-searches\"><h4>Related Searches<\/h4><ul><li>PFAS<\/li><li>pfas-library<\/li><li>ultrashort-chain<\/li><\/ul><\/div><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ev0597.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<div class=\"wp-block-custom-chromatogram-article-top\"><div class=\"chromatogram-article-placeholder\"><div class=\"figure-heading\">\u56fe 3\uff1a\u4e0e\u4f7f\u7528\u4f20\u7edf\u4e0d\u9508\u94a2\u786c\u4ef6\u5236\u6210\u7684\u8272\u8c31\u67f1\u76f8\u6bd4\uff0c\u60f0\u6027\u6db2\u76f8\u8272\u8c31\u67f1\u63d0\u9ad8\u4e86\u5927\u591a\u6570 PFAS \u7684\u5cf0\u9762\u79ef\u548c\u5cf0\u9ad8<\/div><div class='chromatogram-article-inner-full'><div class=\"chromatogram-article-inner\">\n<style>.kb-image103508_1b07b2-2f .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image103508_1b07b2-2f\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"760\" height=\"1024\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN4402-03-760x1024.jpg\" alt=\"\" class=\"kb-img wp-image-19480\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN4402-03-760x1024.jpg 760w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN4402-03-223x300.jpg 223w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN4402-03-768x1035.jpg 768w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN4402-03-1140x1536.jpg 1140w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN4402-03-1520x2048.jpg 1520w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN4402-03.jpg 1800w\" sizes=\"auto, (max-width: 760px) 100vw, 760px\" \/><\/figure><\/div>\n\n<\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7ebf\u6027<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u91c7\u7528\u4e8c\u6b21\u56de\u5f52\uff081\/x\u52a0\u6743\uff09\uff0c\u6240\u6709\u5206\u6790\u7269\u5747\u8868\u73b0\u51fa\u53ef\u63a5\u53d7\u7684\u7ebf\u6027\uff0cr2>0.995\uff0c\u504f\u5dee&lt;30%\u3002\u8868II\u663e\u793a\u4e86\u6bcf\u79cd\u76ee\u6807PFAS\u7684\u4e0d\u540c\u7ebf\u6027\u8303\u56f4\uff0c\u8303\u56f4\u4ece1ppt-1000ppt\uff0c\u5728\u6700\u4f4e\u6821\u51c6\u6d53\u5ea6\u4e0b\u53d1\u751f\u53d8\u5316\u3002\u8fd8\u63d0\u4f9b\u4e86LOQ \u548cLOD\u503c\uff08LOQ\u503c\u5b9a\u4e49\u4e3a\u6bcf\u79cd\u5206\u6790\u7269\u7684\u6700\u4f4e\u6821\u51c6\u6807\u51c6\u6d53\u5ea6\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868 II\uff1a\u81ea\u6765\u6c34\u3001\u74f6\u88c5\u6c34\u548c\u6876\u88c5\u6c34\u4e2d PFAS \u7684 LOQ* \u548c LOD \u503c<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>&nbsp;<\/td><td><strong>\u7ebf\u6027\u8303\u56f4<\/strong><\/td><td colspan=\"3\"><strong>LOD (ng\/L)<\/strong><\/td><\/tr><tr><td><strong>\u5206\u6790\u7269<\/strong><\/td><td><strong>(ng\/L)<\/strong><\/td><td><strong>\u81ea\u6765\u6c34<\/strong><\/td><td><strong>\u74f6\u88c5\u6c34<\/strong><\/td><td><strong>POTW<\/strong>\u6c61\u6c34<\/td><\/tr><tr><td>TFA<\/td><td>10\u20131000<\/td><td>1.7<\/td><td>1.4<\/td><td>2.1<\/td><\/tr><tr><td>PFPrA<\/td><td>1\u20131000<\/td><td>0.3<\/td><td>0.3<\/td><td>0.3<\/td><\/tr><tr><td>PFBA<\/td><td>2\u20131000<\/td><td>0.7<\/td><td>0.6<\/td><td>0.6<\/td><\/tr><tr><td>PFPeA<\/td><td>1\u20131000<\/td><td>0.5<\/td><td>0.4<\/td><td>0.3<\/td><\/tr><tr><td>PFHxA<\/td><td>1\u20131000<\/td><td>0.4<\/td><td>0.4<\/td><td>0.4<\/td><\/tr><tr><td>PFHpA<\/td><td>1\u20131000<\/td><td>0.4<\/td><td>0.4<\/td><td>0.5<\/td><\/tr><tr><td>PFOA<\/td><td>1\u20131000<\/td><td>0.4<\/td><td>0.4<\/td><td>0.4<\/td><\/tr><tr><td>PFNA<\/td><td>1\u20131000<\/td><td>0.3<\/td><td>0.3<\/td><td>0.3<\/td><\/tr><tr><td>PFDA<\/td><td>1\u20131000<\/td><td>0.4<\/td><td>0.3<\/td><td>0.5<\/td><\/tr><tr><td>PFUnA<\/td><td>1\u20131000<\/td><td>0.5<\/td><td>0.3<\/td><td>0.4<\/td><\/tr><tr><td>PFDoA<\/td><td>2\u20131000<\/td><td>0.7<\/td><td>0.4<\/td><td>0.5<\/td><\/tr><tr><td>PFTrDA<\/td><td>2\u20131000<\/td><td>0.8<\/td><td>0.6<\/td><td>0.6<\/td><\/tr><tr><td>PFTeDA<\/td><td>2\u20131000<\/td><td>0.8<\/td><td>0.7<\/td><td>0.6<\/td><\/tr><tr><td>TFMS<\/td><td>1\u20131000<\/td><td>0.2<\/td><td>0.2<\/td><td>0.2<\/td><\/tr><tr><td>PFEtS<\/td><td>1\u20131000<\/td><td>0.1<\/td><td>0.3<\/td><td>0.2<\/td><\/tr><tr><td>PFPrS<\/td><td>1\u20131000<\/td><td>0.2<\/td><td>0.2<\/td><td>0.4<\/td><\/tr><tr><td>PFBS<\/td><td>1\u20131000<\/td><td>0.2<\/td><td>0.2<\/td><td>0.5<\/td><\/tr><tr><td>PFPeS<\/td><td>1\u20131000<\/td><td>0.2<\/td><td>0.3<\/td><td>0.2<\/td><\/tr><tr><td>PFHxS<\/td><td>1\u20131000<\/td><td>0.3<\/td><td>0.6<\/td><td>0.5<\/td><\/tr><tr><td>PFHpS<\/td><td>2\u20131000<\/td><td>0.5<\/td><td>0.4<\/td><td>0.4<\/td><\/tr><tr><td>PFOS<\/td><td>2\u20131000<\/td><td>0.5<\/td><td>0.9<\/td><td>0.8<\/td><\/tr><tr><td>PFNS<\/td><td>2\u20131000<\/td><td>0.6<\/td><td>0.6<\/td><td>0.6<\/td><\/tr><tr><td>PFDS<\/td><td>2\u20131000<\/td><td>0.6<\/td><td>0.7<\/td><td>0.9<\/td><\/tr><tr><td>PFUdS<\/td><td>2\u20131000<\/td><td>0.5<\/td><td>0.7<\/td><td>0.9<\/td><\/tr><tr><td>PFDoS<\/td><td>2\u20131000<\/td><td>0.4<\/td><td>0.6<\/td><td>0.6<\/td><\/tr><tr><td>PFTrDS<\/td><td>2\u20131000<\/td><td>0.9<\/td><td>0.6<\/td><td>0.8<\/td><\/tr><tr><td>4:2 FTS<\/td><td>2\u20131000<\/td><td>0.4<\/td><td>0.6<\/td><td>0.5<\/td><\/tr><tr><td>6:2 FTS<\/td><td>2\u20131000<\/td><td>0.6<\/td><td>0.4<\/td><td>0.5<\/td><\/tr><tr><td>8:2 FTS<\/td><td>2\u20131000<\/td><td>0.4<\/td><td>0.4<\/td><td>0.5<\/td><\/tr><tr><td>3:3 FTCA<\/td><td>20\u20131000<\/td><td>8.3<\/td><td>7.4<\/td><td>&#8211;<\/td><\/tr><tr><td>5:3 FTCA<\/td><td>4\u20131000<\/td><td>1.2<\/td><td>1.1<\/td><td>1.5<\/td><\/tr><tr><td>7:3 FTCA<\/td><td>4\u20131000<\/td><td>1.6<\/td><td>1.3<\/td><td>1.2<\/td><\/tr><tr><td>FOSA<\/td><td>1\u20131000<\/td><td>0.2<\/td><td>0.2<\/td><td>0.2<\/td><\/tr><tr><td>NMeFOSA<\/td><td>10\u20131000<\/td><td>3.8<\/td><td>4.0<\/td><td>4.0<\/td><\/tr><tr><td>NEtFOSA<\/td><td>10\u20131000<\/td><td>4.6<\/td><td>4.0<\/td><td>4.0<\/td><\/tr><tr><td>NMeFOSAA<\/td><td>4\u20131000<\/td><td>1.2<\/td><td>1.2<\/td><td>1.9<\/td><\/tr><tr><td>NEtFOSAA<\/td><td>10\u20131000<\/td><td>4.3<\/td><td>2.5<\/td><td>3.3<\/td><\/tr><tr><td>PFMPA<\/td><td>1\u20131000<\/td><td>0.3<\/td><td>0.2<\/td><td>0.4<\/td><\/tr><tr><td>PFMBA<\/td><td>1\u20131000<\/td><td>0.4<\/td><td>0.3<\/td><td>0.4<\/td><\/tr><tr><td>NFDHA<\/td><td>20\u20131000<\/td><td>10.0<\/td><td>8.8<\/td><td>7.9<\/td><\/tr><tr><td>HFPO-DA<\/td><td>10\u20131000<\/td><td>3.8<\/td><td>3.3<\/td><td>5.2<\/td><\/tr><tr><td>ADONA<\/td><td>1\u20131000<\/td><td>0.1<\/td><td>0.1<\/td><td>0.2<\/td><\/tr><tr><td>PFEESA<\/td><td>1\u20131000<\/td><td>0.1<\/td><td>0.1<\/td><td>0.1<\/td><\/tr><tr><td>9Cl-PF3ONS<\/td><td>1\u20131000<\/td><td>0.2<\/td><td>0.2<\/td><td>0.2<\/td><\/tr><tr><td>11Cl-PF3OUdS<\/td><td>1\u20131000<\/td><td>0.2<\/td><td>0.1<\/td><td>0.3<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">*LOQ = \u6821\u51c6\u6807\u51c6\u6eb6\u6db2\u7684\u6700\u4f4e\u6d53\u5ea6\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7cbe\u786e\u5ea6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e0d\u540c\u65e5\u671f\u91cc\u5206\u6790\u4e86\u4e09\u6279\u6837\u54c1\uff0c\u6bcf\u79cd\u5f3a\u5316\u6c34\u5e73\u5171\u6709\u4e5d\u4e2a\u91cd\u590d\u6837\u54c1\u3002\u5e73\u5747\u56de\u6536\u7387\u548c\u76f8\u5bf9\u6807\u51c6\u504f\u5dee\uff08RSD\uff09\u5982\u8868III-V\u6240\u793a\u3002\u5728\u6240\u6709\u5f3a\u5316\u6c34\u5e73\u4e0b\uff0c\u6240\u6709\u5206\u6790\u7269\u7684\u56de\u6536\u7387\u5747\u572870-130%\u8303\u56f4\u5185\u3002RSD\u503c&lt;20%\u8bc1\u660e\u4e86\u65b9\u6cd5\u7684\u7cbe\u5bc6\u5ea6\u4ee4\u4eba\u6ee1\u610f\u3002\u6b64\u5916\uff0c\u7ed3\u679c\u8868\u660e\uff0c\u6240\u6709\u63d0\u53d6\u7684\u5185\u6807\u7269\uff08EIS\uff09\u7684\u56de\u6536\u7387\u503c\u5747\u5728\u6807\u79f0\u6d53\u5ea6\u768430%\u4ee5\u5185\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868 III: \u81ea\u6765\u6c34\u6837\u54c1\u7684\u51c6\u786e\u5ea6\u548c\u7cbe\u5bc6\u5ea6\u7ed3\u679c<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td rowspan=\"3\"><strong>\u5206\u6790\u7269<\/strong><\/td><td colspan=\"5\"><strong>\u5e73\u5747\u56de\u6536\u7387 (RSD, %), n=9<\/strong><\/td><\/tr><tr><td colspan=\"5\"><strong>\u5f3a\u5316\u6d53\u5ea6 (ng\/L)<\/strong><\/td><\/tr><tr><td><strong>2<\/strong><\/td><td><strong>4<\/strong><\/td><td><strong>10<\/strong><\/td><td><strong>50<\/strong><\/td><td><strong>250<\/strong><\/td><\/tr><tr><td><sup>13<\/sup>C-TFA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>110 (9.61)<\/td><td>89.8 (5.10)<\/td><td>91.5 (2.04)<\/td><\/tr><tr><td>PFPrA<\/td><td>102 (6.88)<\/td><td>100 (3.72)<\/td><td>98.6 (6.71)<\/td><td>105 (8.98)<\/td><td>101 (6.85)<\/td><\/tr><tr><td>PFBA<\/td><td>108 (8.17)<\/td><td>107 (7.28)<\/td><td>104 (9.06)<\/td><td>104 (5.13)<\/td><td>103 (7.20)<\/td><\/tr><tr><td>PFPeA<\/td><td>109 (9.02)<\/td><td>115 (2.98)<\/td><td>105 (7.90)<\/td><td>111 (6.13)<\/td><td>107 (8.17)<\/td><\/tr><tr><td>PFHxA<\/td><td>88.2 (8.36)<\/td><td>99.8 (8.44)<\/td><td>92.0 (6.26)<\/td><td>105 (7.96)<\/td><td>103 (8.06)<\/td><\/tr><tr><td>PFHpA<\/td><td>88.7 (6.44)<\/td><td>101 (8.38)<\/td><td>86.2 (6.26)<\/td><td>95.1 (6.97)<\/td><td>91.2 (7.28)<\/td><\/tr><tr><td>PFOA<\/td><td>111 (6.58)<\/td><td>117 (4.67)<\/td><td>103 (9.51)<\/td><td>104 (8.34)<\/td><td>101 (8.98)<\/td><\/tr><tr><td>PFNA<\/td><td>108 (7.53)<\/td><td>110 (5.46)<\/td><td>97.8 (3.83)<\/td><td>104 (6.23)<\/td><td>99.5 (8.40)<\/td><\/tr><tr><td>PFDA<\/td><td>99.4 (6.34)<\/td><td>104 (5.56)<\/td><td>95.1 (5.35)<\/td><td>98.6 (9.37)<\/td><td>95.8 (8.66)<\/td><\/tr><tr><td>PFUnA<\/td><td>110 (14.0)<\/td><td>109 (11.4)<\/td><td>108 (14.6)<\/td><td>107 (8.05)<\/td><td>95.5 (7.14)<\/td><\/tr><tr><td>PFDoA<\/td><td>103 (14.2)<\/td><td>104 (9.98)<\/td><td>96.5 (14.1)<\/td><td>101 (5.81)<\/td><td>102 (3.95)<\/td><\/tr><tr><td>PFTrDA<\/td><td>101 (13.3)<\/td><td>91.1 (11.0)<\/td><td>87.5 (7.09)<\/td><td>82.3 (5.23)<\/td><td>86.5 (3.05)<\/td><\/tr><tr><td>PFTeDA<\/td><td>103 (6.04)<\/td><td>91.2 (10.6)<\/td><td>90.1 (8.18)<\/td><td>86.5 (10.9)<\/td><td>93.4 (4.21)<\/td><\/tr><tr><td>TFMS<\/td><td>112 (9.16)<\/td><td>108 (10.4)<\/td><td>97.3 (8.16)<\/td><td>105 (6.42)<\/td><td>104 (7.25)<\/td><\/tr><tr><td>PFEtS<\/td><td>103 (8.31)<\/td><td>115 (5.52)<\/td><td>103 (3.25)<\/td><td>106 (4.64)<\/td><td>107 (5.60)<\/td><\/tr><tr><td>PFPrS<\/td><td>109 (9.22)<\/td><td>114 (7.23)<\/td><td>99.3 (8.52)<\/td><td>106 (7.76)<\/td><td>107 (7.32)<\/td><\/tr><tr><td>PFBS<\/td><td>109 (6.89)<\/td><td>109 (10.7)<\/td><td>94.3 (8.59)<\/td><td>101 (5.45)<\/td><td>102 (6.53)<\/td><\/tr><tr><td>PFPeS<\/td><td>104 (5.33)<\/td><td>113 (3.79)<\/td><td>97.9 (4.84)<\/td><td>106 (7.29)<\/td><td>104 (9.30)<\/td><\/tr><tr><td>PFHxS<\/td><td>84.1 (16.7)<\/td><td>105 (7.50)<\/td><td>90.8 (12.8)<\/td><td>104 (4.37)<\/td><td>102 (3.77)<\/td><\/tr><tr><td>PFHpS<\/td><td>111 (7.72)<\/td><td>108 (6.82)<\/td><td>99.7 (7.04)<\/td><td>108 (5.65)<\/td><td>105 (6.59)<\/td><\/tr><tr><td>PFOS<\/td><td>112 (7.55)<\/td><td>106 (7.10)<\/td><td>95.5 (10.2)<\/td><td>107 (7.39)<\/td><td>107 (6.83)<\/td><\/tr><tr><td>PFNS<\/td><td>117 (13.8)<\/td><td>104 (10.7)<\/td><td>91.9 (10.2)<\/td><td>104 (4.92)<\/td><td>99.1 (6.15)<\/td><\/tr><tr><td>PFDS<\/td><td>107 (15.0)<\/td><td>106 (8.32)<\/td><td>94.4 (17.2)<\/td><td>97.9 (11.1)<\/td><td>94.4 (3.40)<\/td><\/tr><tr><td>PFUdS<\/td><td>108 (13.5)<\/td><td>92.4 (15.5)<\/td><td>88.1 (1.58)<\/td><td>85.7 (2.32)<\/td><td>93.4 (3.38)<\/td><\/tr><tr><td>PFDoS<\/td><td>114 (13.4)<\/td><td>96.5 (11.9)<\/td><td>85.9 (5.01)<\/td><td>83.5 (11.6)<\/td><td>93.9 (2.71)<\/td><\/tr><tr><td>PFTrDS<\/td><td>91.0 (17.8)<\/td><td>72.5 (18.2)<\/td><td>72.0 (13.8)<\/td><td>72.9 (14.4)<\/td><td>84.6 (3.55)<\/td><\/tr><tr><td>4:2 FTS<\/td><td>106 (8.72)<\/td><td>109 (8.83)<\/td><td>90.2 (13.0)<\/td><td>103 (9.27)<\/td><td>101 (10.2)<\/td><\/tr><tr><td>6:2 FTS<\/td><td>108 (8.94)<\/td><td>112 (6.81)<\/td><td>96.4 (17.3)<\/td><td>102 (4.45)<\/td><td>99.4 (7.60)<\/td><\/tr><tr><td>8:2 FTS<\/td><td>111 (13.4)<\/td><td>107 (12.1)<\/td><td>92.6 (11.3)<\/td><td>101 (5.28)<\/td><td>94.6 (5.86)<\/td><\/tr><tr><td>3:3 FTCA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>83.7 (8.92)<\/td><td>82.6 (5.64)<\/td><\/tr><tr><td>5:3 FTCA<\/td><td>&#8211;<\/td><td>120 (6.07)<\/td><td>106 (12.0)<\/td><td>103 (8.99)<\/td><td>103 (8.78)<\/td><\/tr><tr><td>7:3 FTCA<\/td><td>&#8211;<\/td><td>107 (8.36)<\/td><td>91.4 (16.2)<\/td><td>105 (7.98)<\/td><td>106 (7.36)<\/td><\/tr><tr><td>FOSA<\/td><td>107 (9.41)<\/td><td>107 (5.20)<\/td><td>95.4 (8.59)<\/td><td>95.7 (4.63)<\/td><td>95.5 (6.05)<\/td><\/tr><tr><td>NMeFOSA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>106 (12.9)<\/td><td>105 (6.50)<\/td><td>104 (9.06)<\/td><\/tr><tr><td>NEtFOSA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>105 (14.7)<\/td><td>112 (4.89)<\/td><td>105 (7.49)<\/td><\/tr><tr><td>NMeFOSAA<\/td><td>&#8211;<\/td><td>123 (7.06)<\/td><td>88.5 (14.6)<\/td><td>102 (8.37)<\/td><td>99.5 (7.89)<\/td><\/tr><tr><td>NEtFOSAA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>106 (10.9)<\/td><td>96.1 (11.1)<\/td><td>92.6 (5.99)<\/td><\/tr><tr><td>PFMPA<\/td><td>99.0 (15.9)<\/td><td>103 (10.6)<\/td><td>90.2 (6.11)<\/td><td>103 (8.22)<\/td><td>103 (8.21)<\/td><\/tr><tr><td>PFMBA<\/td><td>105 (7.67)<\/td><td>107 (8.82)<\/td><td>95.8 (7.63)<\/td><td>107 (6.27)<\/td><td>103 (7.01)<\/td><\/tr><tr><td>NFDHA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>115 (9.78)<\/td><td>115 (8.61)<\/td><\/tr><tr><td>HFPO-DA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>115 (13.1)<\/td><td>108 (5.70)<\/td><td>106 (7.76)<\/td><\/tr><tr><td>ADONA<\/td><td>94.4 (11.5)<\/td><td>109 (5.71)<\/td><td>98.4 (7.58)<\/td><td>106 (7.56)<\/td><td>104 (8.94)<\/td><\/tr><tr><td>PFEESA<\/td><td>102 (8.88)<\/td><td>113 (4.75)<\/td><td>98.8 (7.11)<\/td><td>108 (6.06)<\/td><td>105 (8.76)<\/td><\/tr><tr><td>9Cl-PF3ONS<\/td><td>100 (8.99)<\/td><td>107 (4.54)<\/td><td>95.7 (2.88)<\/td><td>105 (6.31)<\/td><td>104 (9.09)<\/td><\/tr><tr><td>11Cl-PF3OUdS<\/td><td>88.2 (12.3)<\/td><td>96.8 (7.36)<\/td><td>87.8 (8.81)<\/td><td>96.7 (4.65)<\/td><td>95.1 (4.17)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868 IV: \u74f6\u88c5\u6c34\u6837\u54c1\u7684\u51c6\u786e\u5ea6\u548c\u7cbe\u5bc6\u5ea6\u7ed3\u679c<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td rowspan=\"3\"><strong>\u5206\u6790\u7269<\/strong><\/td><td colspan=\"5\"><strong>\u5e73\u5747\u56de\u6536\u7387 (RSD, %), n=9<\/strong><\/td><\/tr><tr><td colspan=\"5\"><strong>\u5f3a\u5316\u6d53\u5ea6 (ng\/L)<\/strong><\/td><\/tr><tr><td><strong>2<\/strong><\/td><td><strong>4<\/strong><\/td><td><strong>10<\/strong><\/td><td><strong>50<\/strong><\/td><td><strong>250<\/strong><\/td><\/tr><tr><td><sup>13<\/sup>C-TFA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>104 (15.6)<\/td><td>99.4 (8.09)<\/td><td>103 (7.45)<\/td><\/tr><tr><td>PFPrA<\/td><td>96.7 (5.90)<\/td><td>101 (6.64)<\/td><td>97.9 (6.08)<\/td><td>107 (3.13)<\/td><td>114 (7.77)<\/td><\/tr><tr><td>PFBA<\/td><td>96.4 (5.81)<\/td><td>94.7 (8.49)<\/td><td>90.2 (6.21)<\/td><td>103 (6.58)<\/td><td>112 (6.78)<\/td><\/tr><tr><td>PFPeA<\/td><td>93.2 (8.17)<\/td><td>99.1 (13.9)<\/td><td>95.5 (10.2)<\/td><td>105 (5.95)<\/td><td>111 (8.53)<\/td><\/tr><tr><td>PFHxA<\/td><td>100 (13.1)<\/td><td>96.5 (9.30)<\/td><td>91.0 (8.66)<\/td><td>99.5 (4.92)<\/td><td>108 (8.20)<\/td><\/tr><tr><td>PFHpA<\/td><td>96.9 (8.26)<\/td><td>92.3 (3.67)<\/td><td>87.3 (4.82)<\/td><td>97.9 (6.15)<\/td><td>104 (5.56)<\/td><\/tr><tr><td>PFOA<\/td><td>94.4 (10.9)<\/td><td>100 (10.8)<\/td><td>101 (8.29)<\/td><td>105 (6.09)<\/td><td>112 (6.11)<\/td><\/tr><tr><td>PFNA<\/td><td>108 (9.34)<\/td><td>103 (8.32)<\/td><td>97.3 (3.99)<\/td><td>105 (5.46)<\/td><td>112 (7.09)<\/td><\/tr><tr><td>PFDA<\/td><td>101 (11.9)<\/td><td>96.9 (6.73)<\/td><td>92.2 (8.25)<\/td><td>100 (5.31)<\/td><td>109 (8.86)<\/td><\/tr><tr><td>PFUnA<\/td><td>109 (10.6)<\/td><td>104 (8.74)<\/td><td>90.6 (11.0)<\/td><td>97.7 (9.52)<\/td><td>105 (5.72)<\/td><\/tr><tr><td>PFDoA<\/td><td>97.5 (5.77)<\/td><td>95.2 (4.93)<\/td><td>78.5 (1.90)<\/td><td>85.1 (5.14)<\/td><td>103 (5.68)<\/td><\/tr><tr><td>PFTrDA<\/td><td>106 (9.03)<\/td><td>100 (8.97)<\/td><td>81.8 (13.1)<\/td><td>87.8 (18.6)<\/td><td>98.2 (9.05)<\/td><\/tr><tr><td>PFTeDA<\/td><td>116 (3.97)<\/td><td>109 (6.74)<\/td><td>90.5 (8.94)<\/td><td>93.5 (18.2)<\/td><td>114 (5.74)<\/td><\/tr><tr><td>TFMS<\/td><td>101 (9.04)<\/td><td>107 (6.85)<\/td><td>96.7 (4.30)<\/td><td>106 (2.88)<\/td><td>112 (7.17)<\/td><\/tr><tr><td>PFEtS<\/td><td>102 (7.45)<\/td><td>105 (4.66)<\/td><td>97.8 (3.00)<\/td><td>106 (2.01)<\/td><td>111 (7.50)<\/td><\/tr><tr><td>PFPrS<\/td><td>101 (10.4)<\/td><td>106 (7.28)<\/td><td>98.1 (6.13)<\/td><td>108 (1.98)<\/td><td>111 (6.44)<\/td><\/tr><tr><td>PFBS<\/td><td>103 (13.7)<\/td><td>101 (9.53)<\/td><td>85.8 (5.98)<\/td><td>101 (2.59)<\/td><td>108 (8.90)<\/td><\/tr><tr><td>PFPeS<\/td><td>95.6 (10.3)<\/td><td>102 (5.75)<\/td><td>92.3 (5.80)<\/td><td>102 (2.79)<\/td><td>109 (9.05)<\/td><\/tr><tr><td>PFHxS<\/td><td>110 (8.75)<\/td><td>99.4 (8.55)<\/td><td>90.9 (11.8)<\/td><td>96.5 (2.79)<\/td><td>103 (8.67)<\/td><\/tr><tr><td>PFHpS<\/td><td>99.8 (8.79)<\/td><td>94.2 (8.80)<\/td><td>90.9 (7.75)<\/td><td>105 (5.47)<\/td><td>110 (8.06)<\/td><\/tr><tr><td>PFOS<\/td><td>111 (12.9)<\/td><td>93.5 (8.65)<\/td><td>91.8 (9.70)<\/td><td>106 (6.02)<\/td><td>109 (6.08)<\/td><\/tr><tr><td>PFNS<\/td><td>102 (12.8)<\/td><td>90.8 (15.2)<\/td><td>86.8 (10.4)<\/td><td>101 (8.80)<\/td><td>112 (6.74)<\/td><\/tr><tr><td>PFDS<\/td><td>96.9 (19.1)<\/td><td>105 (12.1)<\/td><td>89.3 (11.4)<\/td><td>103 (10.2)<\/td><td>107 (5.82)<\/td><\/tr><tr><td>PFUdS<\/td><td>101 (18.5)<\/td><td>100 (16.3)<\/td><td>87.3 (10.5)<\/td><td>92.9 (14.5)<\/td><td>105 (5.71)<\/td><\/tr><tr><td>PFDoS<\/td><td>114 (7.52)<\/td><td>106 (10.7)<\/td><td>84.8 (14.6)<\/td><td>90.7 (14.5)<\/td><td>108 (7.49)<\/td><\/tr><tr><td>PFTrDS<\/td><td>126 (1.13)<\/td><td>109 (14.4)<\/td><td>86.2 (17.1)<\/td><td>88.4 (19.0)<\/td><td>112 (5.51)<\/td><\/tr><tr><td>4:2 FTS<\/td><td>103 (11.0)<\/td><td>98.1 (16.3)<\/td><td>88.6 (10.1)<\/td><td>94.3 (4.60)<\/td><td>108 (10.3)<\/td><\/tr><tr><td>6:2 FTS<\/td><td>108 (6.44)<\/td><td>95.2 (13.7)<\/td><td>88.0 (13.3)<\/td><td>97.7 (9.07)<\/td><td>106 (7.53)<\/td><\/tr><tr><td>8:2 FTS<\/td><td>112 (10.5)<\/td><td>109 (5.14)<\/td><td>95.0 (3.66)<\/td><td>103 (3.89)<\/td><td>109 (8.72)<\/td><\/tr><tr><td>3:3 FTCA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>95.4 (10.4)<\/td><td>105 (6.94)<\/td><\/tr><tr><td>5:3 FTCA<\/td><td>&#8211;<\/td><td>103 (8.78)<\/td><td>94.3 (12.1)<\/td><td>105 (6.32)<\/td><td>109 (8.62)<\/td><\/tr><tr><td>7:3 FTCA<\/td><td>&#8211;<\/td><td>115 (5.16)<\/td><td>98.9 (9.92)<\/td><td>102 (8.75)<\/td><td>110 (7.09)<\/td><\/tr><tr><td>FOSA<\/td><td>111 (7.75)<\/td><td>103 (8.73)<\/td><td>91.6 (3.72)<\/td><td>104 (3.88)<\/td><td>112 (7.06)<\/td><\/tr><tr><td>NMeFOSA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>105 (8.01)<\/td><td>101 (10.8)<\/td><td>115 (5.88)<\/td><\/tr><tr><td>NEtFOSA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>121 (9.43)<\/td><td>100 (13.0)<\/td><td>110 (8.06)<\/td><\/tr><tr><td>NMeFOSAA<\/td><td>&#8211;<\/td><td>109 (12.1)<\/td><td>106 (10.1)<\/td><td>92.9 (13.8)<\/td><td>104 (9.53)<\/td><\/tr><tr><td>NEtFOSAA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>101 (15.7)<\/td><td>100 (10.3)<\/td><td>105 (8.11)<\/td><\/tr><tr><td>PFMPA<\/td><td>99.5 (9.11)<\/td><td>99.6 (11.0)<\/td><td>92.2 (4.76)<\/td><td>103 (4.57)<\/td><td>112 (7.29)<\/td><\/tr><tr><td>PFMBA<\/td><td>92.3 (9.01)<\/td><td>102 (9.17)<\/td><td>90.1 (8.50)<\/td><td>100 (4.51)<\/td><td>109 (7.70)<\/td><\/tr><tr><td>NFDHA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>111 (6.59)<\/td><td>111 (7.73)<\/td><\/tr><tr><td>HFPO-DA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>106 (12.3)<\/td><td>101 (10.1)<\/td><td>112 (6.19)<\/td><\/tr><tr><td>ADONA<\/td><td>97.3 (11.4)<\/td><td>101 (6.41)<\/td><td>91.6 (3.35)<\/td><td>100 (4.26)<\/td><td>107 (10.3)<\/td><\/tr><tr><td>PFEESA<\/td><td>101 (8.99)<\/td><td>105 (8.33)<\/td><td>93.6 (5.67)<\/td><td>102 (3.03)<\/td><td>110 (9.16)<\/td><\/tr><tr><td>9Cl-PF3ONS<\/td><td>100 (8.53)<\/td><td>101 (7.16)<\/td><td>90.2 (4.28)<\/td><td>105 (4.22)<\/td><td>112 (8.47)<\/td><\/tr><tr><td>11Cl-PF3OUdS<\/td><td>91.0 (11.1)<\/td><td>96.8 (6.21)<\/td><td>85.0 (4.94)<\/td><td>100 (11.8)<\/td><td>108 (5.75)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868 V: POTW \u6c34\u6837\u7684\u51c6\u786e\u5ea6\u548c\u7cbe\u5bc6\u5ea6\u7ed3\u679c<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td rowspan=\"3\"><strong>\u5206\u6790\u7269<\/strong><\/td><td colspan=\"5\"><strong>\u5e73\u5747\u56de\u6536\u7387 (RSD, %), n=9<\/strong><\/td><\/tr><tr><td colspan=\"5\"><strong>\u5f3a\u5316\u6d53\u5ea6 (ng\/L)<\/strong><\/td><\/tr><tr><td><strong>2<\/strong><\/td><td><strong>4<\/strong><\/td><td><strong>10<\/strong><\/td><td><strong>50<\/strong><\/td><td><strong>250<\/strong><\/td><\/tr><tr><td><sup>13<\/sup>C-TFA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>104 (9.46)<\/td><td>108 (8.57)<\/td><\/tr><tr><td>PFPrA<\/td><td>99.7 (3.96)<\/td><td>101 (11.9)<\/td><td>99.7 (9.18)<\/td><td>109 (3.90)<\/td><td>113 (1.99)<\/td><\/tr><tr><td>PFBA<\/td><td>100 (8.79)<\/td><td>98.0 (6.35)<\/td><td>99.2 (7.44)<\/td><td>104 (8.77)<\/td><td>106 (4.82)<\/td><\/tr><tr><td>PFPeA<\/td><td>104 (9.17)<\/td><td>110 (6.19)<\/td><td>101 (5.66)<\/td><td>109 (2.80)<\/td><td>116 (2.05)<\/td><\/tr><tr><td>PFHxA<\/td><td>91.8 (12.1)<\/td><td>98.5 (10.0)<\/td><td>92.9 (9.53)<\/td><td>101(3.30)<\/td><td>103 (6.53)<\/td><\/tr><tr><td>PFHpA<\/td><td>115 (5.90)<\/td><td>111 (8.16)<\/td><td>97.6 (6.90)<\/td><td>97.1 (5.74)<\/td><td>99.5 (4.58)<\/td><\/tr><tr><td>PFOA<\/td><td>108 (8.67)<\/td><td>105 (8.15)<\/td><td>101 (4.86)<\/td><td>105 (4.68)<\/td><td>109 (5.20)<\/td><\/tr><tr><td>PFNA<\/td><td>113 (8.50)<\/td><td>117 (5.50)<\/td><td>95.1 (5.73)<\/td><td>103 (6.97)<\/td><td>107 (4.67)<\/td><\/tr><tr><td>PFDA<\/td><td>108 (10.6)<\/td><td>111 (8.44)<\/td><td>91.8 (5.90)<\/td><td>97.6 (4.10)<\/td><td>101 (3.49)<\/td><\/tr><tr><td>PFUnA<\/td><td>106 (12.6)<\/td><td>102 (9.97)<\/td><td>95.1 (8.99)<\/td><td>97.7 (3.90)<\/td><td>101 (6.28)<\/td><\/tr><tr><td>PFDoA<\/td><td>98.4 (16.6)<\/td><td>107 (9.05)<\/td><td>93.0 (3.83)<\/td><td>111 (11.9)<\/td><td>112 (12.2)<\/td><\/tr><tr><td>PFTrDA<\/td><td>94.1 (15.9)<\/td><td>94.4 (13.2)<\/td><td>79.7 (9.70)<\/td><td>90.3 (11.3)<\/td><td>96.7 (13.5)<\/td><\/tr><tr><td>PFTeDA<\/td><td>113 (12.7)<\/td><td>97.5 (18.9)<\/td><td>82.9 (12.4)<\/td><td>95.2 (13.3)<\/td><td>104 (18.0)<\/td><\/tr><tr><td>TFMS<\/td><td>104 (15.6)<\/td><td>108 (7.24)<\/td><td>94.9 (5.45)<\/td><td>94.9 (5.32)<\/td><td>96.0 (1.88)<\/td><\/tr><tr><td>PFEtS<\/td><td>93.1 (15.3)<\/td><td>108 (7.71)<\/td><td>87.9 (6.50)<\/td><td>95.7 (4.51)<\/td><td>97.9 (2.89)<\/td><\/tr><tr><td>PFPrS<\/td><td>105 (9.36)<\/td><td>114 (4.26)<\/td><td>91.5 (4.65)<\/td><td>99.5 (3.97)<\/td><td>102 (4.11)<\/td><\/tr><tr><td>PFBS<\/td><td>93.4 (12.3)<\/td><td>107 (6.18)<\/td><td>91.8 (7.88)<\/td><td>100 (5.38)<\/td><td>105 (6.90)<\/td><\/tr><tr><td>PFPeS<\/td><td>102 (13.3)<\/td><td>113 (8.62)<\/td><td>90.2 (4.13)<\/td><td>99.7 (2.68)<\/td><td>103 (4.89)<\/td><\/tr><tr><td>PFHxS<\/td><td>89.3 (17.7)<\/td><td>95.2 (8.96)<\/td><td>100 (12.7)<\/td><td>98.6 (6.64)<\/td><td>105 (6.83)<\/td><\/tr><tr><td>PFHpS<\/td><td>85.1 (16.1)<\/td><td>109 (9.59)<\/td><td>96.0 (7.89)<\/td><td>106 (3.56)<\/td><td>111 (2.42)<\/td><\/tr><tr><td>PFOS<\/td><td>79.0 (18.5)<\/td><td>107 (6.22)<\/td><td>86.1 (8.60)<\/td><td>101 (7.45)<\/td><td>110 (4.62)<\/td><\/tr><tr><td>PFNS<\/td><td>104 (9.28)<\/td><td>92.5 (14.2)<\/td><td>85.0 (9.21)<\/td><td>98.9 (4.69)<\/td><td>108 (3.95)<\/td><\/tr><tr><td>PFDS<\/td><td>109 (11.1)<\/td><td>106 (11.0)<\/td><td>92.6 (13.1)<\/td><td>101 (7.80)<\/td><td>101 (4.53)<\/td><\/tr><tr><td>PFUdS<\/td><td>95.6 (18.8)<\/td><td>102 (8.93)<\/td><td>77.9 (7.72)<\/td><td>90.2 (8.96)<\/td><td>96.4 (7.42)<\/td><\/tr><tr><td>PFDoS<\/td><td>111 (9.06)<\/td><td>95.0 (10.7)<\/td><td>80.0 (13.7)<\/td><td>83.1 (8.45)<\/td><td>99.5 (12.4)<\/td><\/tr><tr><td>PFTrDS<\/td><td>94.1 (14.9)<\/td><td>107 (15.1)<\/td><td>79.8 (12.5)<\/td><td>85.2 (12.4)<\/td><td>96.4 (15.1)<\/td><\/tr><tr><td>4:2 FTS<\/td><td>122 (5.65)<\/td><td>113 (4.55)<\/td><td>91.5 (7.23)<\/td><td>100 (3.92)<\/td><td>104 (5.01)<\/td><\/tr><tr><td>6:2 FTS<\/td><td>110 (10.3)<\/td><td>109 (12.0)<\/td><td>93.1 (10.0)<\/td><td>95.2 (7.65)<\/td><td>102 (5.42)<\/td><\/tr><tr><td>8:2 FTS<\/td><td>116 (10.0)<\/td><td>102 (16.1)<\/td><td>89.3 (12.6)<\/td><td>101 (5.81)<\/td><td>106 (3.58)<\/td><\/tr><tr><td>3:3 FTCA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>&#8211;<\/td><\/tr><tr><td>5:3 FTCA<\/td><td>&#8211;<\/td><td>115 (7.21)<\/td><td>104 (8.42)<\/td><td>108 (7.38)<\/td><td>108 (5.05)<\/td><\/tr><tr><td>7:3 FTCA<\/td><td>&#8211;<\/td><td>122 (6.51)<\/td><td>92.6 (18.9)<\/td><td>99.7 (9.76)<\/td><td>105 (5.88)<\/td><\/tr><tr><td>FOSA<\/td><td>110 (8.60)<\/td><td>101 (10.9)<\/td><td>79.1 (4.69)<\/td><td>89.4 (5.01)<\/td><td>96.6 (6.21)<\/td><\/tr><tr><td>NMeFOSA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>110 (18.8)<\/td><td>92.1 (10.3)<\/td><td>116 (3.63)<\/td><\/tr><tr><td>NEtFOSA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>116 (9.55)<\/td><td>103 (11.9)<\/td><td>104 (11.6)<\/td><\/tr><tr><td>NMeFOSAA<\/td><td>&#8211;<\/td><td>118 (10.3)<\/td><td>98.2 (12.1)<\/td><td>98.8 (9.01)<\/td><td>100 (6.96)<\/td><\/tr><tr><td>NEtFOSAA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>106 (10.9)<\/td><td>96.1 (11.1)<\/td><td>92.6 (5.99)<\/td><\/tr><tr><td>PFMPA<\/td><td>94.3 (11.0)<\/td><td>105 (7.54)<\/td><td>88.4 (7.38)<\/td><td>98.1 (3.33)<\/td><td>102 (4.66)<\/td><\/tr><tr><td>PFMBA<\/td><td>85.9 (7.17)<\/td><td>99.9 (10.5)<\/td><td>87.0 (8.69)<\/td><td>101 (4.18)<\/td><td>109 (5.75)<\/td><\/tr><tr><td>NFDHA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>90.5 (13.9)<\/td><td>114 (3.75)<\/td><\/tr><tr><td>HFPO-DA<\/td><td>&#8211;<\/td><td>&#8211;<\/td><td>111 (6.49)<\/td><td>92.5 (16.2)<\/td><td>95.6 (12.4)<\/td><\/tr><tr><td>ADONA<\/td><td>90.8 (12.6)<\/td><td>116 (5.19)<\/td><td>90.9 (4.78)<\/td><td>103 (3.45)<\/td><td>106 (5.37)<\/td><\/tr><tr><td>PFEESA<\/td><td>89.4 (12.7)<\/td><td>113 (8.74)<\/td><td>92.8 (1.95)<\/td><td>102 (1.80)<\/td><td>108 (3.07)<\/td><\/tr><tr><td>9Cl-PF3ONS<\/td><td>95.4 (10.3)<\/td><td>102 (9.40)<\/td><td>85.4 (6.64)<\/td><td>101 (4.97)<\/td><td>106 (4.67)<\/td><\/tr><tr><td>11Cl-PF3OUdS<\/td><td>95.1 (8.68)<\/td><td>105 (3.84)<\/td><td>82.7 (4.07)<\/td><td>97.5 (7.82)<\/td><td>101 (6.36)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u996e\u7528\u6c34\u548c\u975e\u996e\u7528\u6c34\u4e2d 45 \u79cd\u76ee\u6807 PFAS \u7684\u6d4b\u91cf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bcf\u4e2a\u6837\u54c1\u4e00\u5f0f\u4e09\u4efd\u5236\u5907\uff0c\u5e76\u52a0\u5165 EIS\u3002\u4e0e\u51c6\u786e\u5ea6\u548c\u7cbe\u5bc6\u5ea6\u5206\u6790\u4e00\u81f4\uff0c\u6240\u6709\u6c34\u6e90\u7684 EIS \u56de\u6536\u7387\u90fd\u5728\u6807\u79f0\u6d53\u5ea6 \uff08100 ppt\uff09 \u7684 30% \u4ee5\u5185\u3002\u8fd9\u8868\u660e\uff0c\u6240\u5efa\u7acb\u7684\u65b9\u6cd5\u9002\u7528\u4e8e\u51c6\u786e\u6d4b\u91cf\u5404\u79cd\u6c34\u57fa\u8d28\u4e2d\u7684\u76ee\u6807PFAS\uff0c\u5305\u62ec\u8d85\u77ed\u94fePFAS\uff08\u8868VI\uff09\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868 VI\uff1a\u5404\u79cd\u6c34\u8d28\u4e2d 45 \u79cd\u76ee PFAS \u7684\u68c0\u6d4b\u7ed3\u679c\uff08nd = \u672a\u68c0\u51fa\uff09<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td rowspan=\"3\"><strong>\u6c34\u6837<\/strong><\/td><td colspan=\"9\"><strong>\u5e73\u5747\u6d53\u5ea6 (ng\/L)<\/strong><\/td><\/tr><tr><td colspan=\"3\"><strong>\u8d85\u77ed\u94fe<\/strong><\/td><td colspan=\"6\"><strong>\u77ed\u94fe<\/strong><\/td><\/tr><tr><td><strong>TFA<\/strong><\/td><td><strong>PFPrA<\/strong><\/td><td><strong>TFMS<\/strong><\/td><td><strong>PFBA<\/strong><\/td><td><strong>PFBS<\/strong><\/td><td><strong>PFPeA<\/strong><\/td><td><strong>PFHxA<\/strong><\/td><td><strong>PFHxS<\/strong><\/td><td><strong>PFHpA<\/strong><\/td><\/tr><tr><td colspan=\"10\"><em><strong>\u996e\u7528\u6c34<\/strong><\/em><\/td><\/tr><tr><td>\u81ea\u6765\u6c34 #1<\/td><td>176<\/td><td>2.66<\/td><td>8.40<\/td><td>nd<\/td><td>nd<\/td><td>&lt;1.00<\/td><td>2.13<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u81ea\u6765\u6c34 #2<\/td><td>317<\/td><td>1.54<\/td><td>7.14<\/td><td>nd<\/td><td>2.25<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u81ea\u6765\u6c34 #3<\/td><td>166<\/td><td>3.15<\/td><td>10.9<\/td><td>nd<\/td><td>2.14<\/td><td>2.51<\/td><td>1.24<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u81ea\u6765\u6c34 #4<\/td><td>330<\/td><td>5.48<\/td><td>12.8<\/td><td>nd<\/td><td>1.68<\/td><td>1.97<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u81ea\u6765\u6c34 #5<\/td><td>1186<\/td><td>29.0<\/td><td>25.4<\/td><td>13.2<\/td><td>8.58<\/td><td>13.7<\/td><td>17.7<\/td><td>nd<\/td><td>5.78<\/td><\/tr><tr><td>\u74f6\u88c5\u6c34 #1 (s\u6cc9\u6c34)<\/td><td>107<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u74f6\u88c5\u6c34 #2 (\u6cc9\u6c34)<\/td><td>257<\/td><td>1.66<\/td><td>&lt;1.00<\/td><td>&lt;2.00<\/td><td>1.21<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u74f6\u88c5\u6c34 #3 (RO \u51c0\u5316)<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u5929\u7136\u6cc9\u6c34<\/td><td>486<\/td><td>2.91<\/td><td>4.81<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u4e95\u6c34 #1<\/td><td>557<\/td><td>1.82<\/td><td>1.74<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u4e95\u6c34#2<\/td><td>171<\/td><td>1.16<\/td><td>&lt;1.00<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td colspan=\"10\"><em><strong>\u975e\u996e\u7528\u6c34<\/strong><\/em><\/td><\/tr><tr><td>\u6eaa\u6c34 #1<\/td><td>605<\/td><td>4.88<\/td><td>6.75<\/td><td>5.82<\/td><td>19.5<\/td><td>3.50<\/td><td>1.52<\/td><td>nd<\/td><td>&lt;1.00<\/td><\/tr><tr><td>\u6eaa\u6c34 #2<\/td><td>626<\/td><td>3.07<\/td><td>2.26<\/td><td>nd<\/td><td>2.68<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u6eaa\u6c34 #3<\/td><td>627<\/td><td>10.9<\/td><td>8.28<\/td><td>&lt;2.00<\/td><td>2.19<\/td><td>4.94<\/td><td>2.35<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>POTW \u6392\u653e\u6c61\u6c34<\/td><td>1156<\/td><td>24.2<\/td><td>9.66<\/td><td>nd<\/td><td>2.84<\/td><td>6.50<\/td><td>24.0<\/td><td>2.28<\/td><td>&lt;1.00<\/td><\/tr><tr><td>\u533b\u9662\u6392\u653e\u6c61\u6c34<\/td><td>487<\/td><td>3.08<\/td><td>1.45<\/td><td>nd<\/td><td>nd<\/td><td>2.15<\/td><td>1.50<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u91d1\u5c5e\u5904\u7406\u5382\u6392\u653e\u6c61\u6c34<\/td><td>678<\/td><td>2.78<\/td><td>8.89<\/td><td>2.87<\/td><td>3.11<\/td><td>2.52<\/td><td>2.09<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u5316\u5b66\u54c1\u52a0\u5de5\u5382\u6392\u653e\u6c61\u6c34<\/td><td>90,473<\/td><td>8,540<\/td><td>13.3<\/td><td>62.8<\/td><td>1.13<\/td><td>100<\/td><td>7.22<\/td><td>nd<\/td><td>12.0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td rowspan=\"3\"><strong>\u6c34\u6837<\/strong><\/td><td colspan=\"4\"><strong>\u00a0\u5e73\u5747\u6d53\u5ea6 (ng\/L)<\/strong><\/td><\/tr><tr><td colspan=\"2\"><strong>\u957f\u94fe<\/strong><\/td><td colspan=\"2\"><strong>\u66ff\u4ee3\u7269<\/strong><\/td><\/tr><tr><td><strong>PFOA<\/strong><\/td><td><strong>PFOS<\/strong><\/td><td><strong>PFMPA<\/strong><\/td><td><strong>HFPO-DA<\/strong><\/td><\/tr><tr><td colspan=\"5\"><em><strong>\u996e\u7528\u6c34<\/strong><\/em><\/td><\/tr><tr><td>\u81ea\u6765\u6c34 #1<\/td><td>&lt;1.00<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u81ea\u6765\u6c34 #2<\/td><td>nd<\/td><td>&lt;2.00<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u81ea\u6765\u6c34 #3<\/td><td>&lt;1.00<\/td><td>4.76<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u81ea\u6765\u6c34 #4<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u81ea\u6765\u6c34 #5<\/td><td>18.0<\/td><td>5.63<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u74f6\u88c5\u6c34 #1 (spring water)<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u74f6\u88c5\u6c34 #2 (spring water)<\/td><td>nd<\/td><td>&lt;2.00<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u74f6\u88c5\u6c34 #3 (RO purified)<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u5929\u7136\u6cc9\u6c34<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u4e95\u6c34 #1<\/td><td>&lt;1.00<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u4e95\u6c34 #2<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td colspan=\"5\"><em><strong>\u975e\u996e\u7528\u6c34<\/strong><\/em><\/td><\/tr><tr><td>\u6eaa\u6c34 #1<\/td><td>&lt;1.00<\/td><td>6.06<\/td><td>4.40<\/td><td>nd<\/td><\/tr><tr><td>\u6eaa\u6c34 #2<\/td><td>nd<\/td><td>&lt;2.00<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u6eaa\u6c34 #3<\/td><td>3.08<\/td><td>5.97<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>POTW \u6392\u653e\u6c61\u6c34<\/td><td>12.9<\/td><td>3.88<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u533b\u9662\u6392\u653e\u6c61\u6c34<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u91d1\u5c5e\u5904\u7406\u5382\u6392\u653e\u6c61\u6c34<\/td><td>&lt;1.00<\/td><td>112<\/td><td>nd<\/td><td>nd<\/td><\/tr><tr><td>\u5316\u5b66\u54c1\u52a0\u5de5\u5382\u6392\u653e\u6c61\u6c34<\/td><td>20.8<\/td><td>nd<\/td><td>14.0<\/td><td>5,709<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u7ed3\u8bba<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u672c\u7814\u7a76\u5efa\u7acb\u4e86\u4e00\u79cd\u7b80\u5355\u53ef\u9760\u7684\u7a00\u91ca\u5373\u6ce8\u5c04\u7684\u6db2\u8d28\u5de5\u4f5c\u6d41\u7a0b\uff0c\u5c06\u8d85\u77ed\u94fePFAS\u7eb3\u5165\u5404\u79cd\u6c34\u8d28PFAS\u7684\u7efc\u5408\u5206\u6790\u4e2d\u3002\u60f0\u6027Ultra IBD\u8272\u8c31\u67f1\uff0c\u952e\u5408\u6709\u6781\u6027\u5d4c\u5165\u70f7\u57fa\u5b98\u80fd\u56e2\uff0c\u4e0d\u9508\u94a2\u67f1\u7ba1\u5185\u58c1\u4e0a\u6d82\u6709\u60f0\u6027\u6d82\u5c42\uff0c\u8fd9\u4e24\u8005\u786e\u4fdd\u4e86\u8be5\u65b9\u6cd5\u7684\u7075\u654f\u5ea6\u3001\u51c6\u786e\u6027\u548c\u7cbe\u786e\u6027\u3002\u6700\u91cd\u8981\u7684\u662f\uff0c\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u4f5c\u4e3a\u76d1\u6d4b\u73af\u5883\u6c34\u4f53\u4e2d\u591a\u79cdPFAS\u7684\u53ef\u9760\u5de5\u5177\uff0c\u6709\u52a9\u4e8e\u4e3a\u672a\u6765\u7684\u76d1\u7ba1\u884c\u52a8\u5236\u5b9a\u6307\u5bfc\u65b9\u9488\u3002\u8bf7\u8bbf\u95ee\u00a0<a href=\"https:\/\/www.restek.com\/PFAS\" target=\"_blank\" rel=\"noopener\">www.restek.com\/PFAS<\/a>\u00a0\u4e86\u89e3\u66f4\u591a\u652f\u6301PFAS\u5206\u6790\u7684\u4ea7\u54c1\u3001\u65b9\u6cd5\u548c\u6280\u672f\u8d44\u6e90\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>B.F. Scott, C.A. Moody, C. Spencer, J.M. Small, D.C.G. Muir, S.A. Mabury, Analysis of perfluorocarboxylic acids\/anions in surface waters and precipitation using GC-MS and analysis of PFOA from large volume samples, Environ. Sci. Technol. 40 (2006) 6405\u20136410,&nbsp;<a href=\"https:\/\/doi.org\/10.1021\/es061131o\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/doi.org\/10.1021\/es061131o<\/a><\/li>\n\n\n\n<li>S. Taniyasu, K. Kannan, L.W.Y. Yeung, K.Y. Kwok, P.K.S. Lam, N. Yamashita, Analysis of trifluoroacetic acid and other short-chain perfluorinated acids (C2-C4) in precipitation by liquid chromatography-tandem mass spectrometry: comparison to patterns of long-chain perfluorinated acids (C5-C18), Anal. Chim. Acta. 619 (2008) 221\u2013230,&nbsp;<a href=\"https:\/\/doi.org\/10.1016\/j.aca.2008.04.064\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/doi.org\/10.1016\/j.aca.2008.04.064<\/a><\/li>\n\n\n\n<li>S.-H. Liang, J.A. Steimling, M. Chang, Analysis of ultrashort-chain and short-chain (C1 to C4) per- and polyfluorinated substances in potable and non-potable waters, J. Chromatogr. Open 4 (2023) 100098,&nbsp;<a href=\"https:\/\/doi.org\/10.1016\/j.%20jcoa.2023.100098\" target=\"_blank\" rel=\"noreferrer noopener\"><\/a><a href=\"https:\/\/doi.org\/10.1016\/j.jcoa.2023.100098\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/doi.org\/10.1016\/j.jcoa.2023.100098<\/a><\/li>\n\n\n\n<li>S.-H. Liang, J.A. Steimling, Integration of ultrashort-chain compounds into the biomonitoring of per- and polyfluorinated substances in human plasma and serum, J. Chromatogr. Open 5 (2024) 100132,&nbsp;<a href=\"https:\/\/doi.org\/10.1016\/j.%20jcoa.2024.100132\" target=\"_blank\" rel=\"noopener\">https:\/\/doi.org\/10.1016\/j. jcoa.2024.100132<\/a><\/li>\n<\/ol>\n\n\n\n<div style=\"height:30px\" 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\/28936\">                                \u8d27\u53f7\uff1a 28936                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">25 mm Syringe Filter, 0.45 \u00b5m, Polypropylene, Black, Luer-Lock, 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\/28936\">\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\/9175312-T\">                                \u8d27\u53f7\uff1a 9175312-T                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Ultra IBD Inert, 3 \u00b5m, 100 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\/9175312-T\">\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>\n        <\/div>\n        \n\n\n<div style=\"height:20px\" 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\/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\/22775\">                                \u8d27\u53f7\uff1a 22775                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Norm-Ject Plastic Syringe, 10 mL Luer Lock Tip, 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\/22775\">\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_13002f-36 > .kt-inside-inner-col{padding-top:45px;padding-right:0px;padding-bottom:45px;padding-left:0px;}.kadence-column99903_13002f-36 > .kt-inside-inner-col,.kadence-column99903_13002f-36 > .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_13002f-36 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column99903_13002f-36 > .kt-inside-inner-col{flex-direction:column;}.kadence-column99903_13002f-36 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column99903_13002f-36 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column99903_13002f-36{position:relative;}@media all and (max-width: 1024px){.kadence-column99903_13002f-36 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column99903_13002f-36 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column99903_13002f-36 hub-guttered-centered-container\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id99903_d4b38f-90 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id99903_d4b38f-90 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id99903_d4b38f-90 > .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_d4b38f-90{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_d4b38f-90 > .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_d4b38f-90 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id99903_d4b38f-90 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id99903_d4b38f-90 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id99903_d4b38f-90 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_e9827f-3e > .kt-inside-inner-col,.kadence-column99903_e9827f-3e > .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_e9827f-3e > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column99903_e9827f-3e > .kt-inside-inner-col{flex-direction:column;}.kadence-column99903_e9827f-3e > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column99903_e9827f-3e > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column99903_e9827f-3e{position:relative;}@media all and (max-width: 1024px){.kadence-column99903_e9827f-3e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column99903_e9827f-3e > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column99903_e9827f-3e\"><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_c05470-6b, .wp-block-kadence-advancedheading.kt-adv-heading99903_c05470-6b[data-kb-block=\"kb-adv-heading99903_c05470-6b\"]{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_c05470-6b, .wp-block-kadence-advancedheading.kt-adv-heading99903_c05470-6b[data-kb-block=\"kb-adv-heading99903_c05470-6b\"] .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_c05470-6b mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading99903_c05470-6b[data-kb-block=\"kb-adv-heading99903_c05470-6b\"] 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_c05470-6b img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading99903_c05470-6b[data-kb-block=\"kb-adv-heading99903_c05470-6b\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading99903_c05470-6b, .wp-block-kadence-advancedheading.kt-adv-heading99903_c05470-6b[data-kb-block=\"kb-adv-heading99903_c05470-6b\"]{font-size:40px;}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading99903_c05470-6b, .wp-block-kadence-advancedheading.kt-adv-heading99903_c05470-6b[data-kb-block=\"kb-adv-heading99903_c05470-6b\"]{font-size:36px;}}<\/style><h2 class=\"kt-adv-heading99903_c05470-6b wp-block-kadence-advancedheading\" data-kb-block=\"kb-adv-heading99903_c05470-6b\"><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_cbdd3e-ae{gap:var(--global-kb-gap-xs, 0.5rem );justify-content:center;align-items:center;}.kt-btns99903_cbdd3e-ae .kt-button{font-weight:normal;font-style:normal;}.kt-btns99903_cbdd3e-ae .kt-btn-wrap-0{margin-right:5px;}.wp-block-kadence-advancedbtn.kt-btns99903_cbdd3e-ae .kt-btn-wrap-0 .kt-button{color:#555555;border-color:#555555;}.wp-block-kadence-advancedbtn.kt-btns99903_cbdd3e-ae .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns99903_cbdd3e-ae .kt-btn-wrap-0 .kt-button:focus{color:#ffffff;border-color:#444444;}.wp-block-kadence-advancedbtn.kt-btns99903_cbdd3e-ae .kt-btn-wrap-0 .kt-button::before{display:none;}.wp-block-kadence-advancedbtn.kt-btns99903_cbdd3e-ae .kt-btn-wrap-0 .kt-button:hover, .wp-block-kadence-advancedbtn.kt-btns99903_cbdd3e-ae .kt-btn-wrap-0 .kt-button:focus{background:#444444;}<\/style>\n<div class=\"wp-block-kadence-advancedbtn kb-buttons-wrap kb-btns99903_cbdd3e-ae\"><style>ul.menu .wp-block-kadence-advancedbtn .kb-btn99903_1b0338-26.kb-button{width:initial;}.wp-block-kadence-advancedbtn .kb-btn99903_1b0338-26.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_1b0338-26.kb-button .kb-svg-icon-wrap{color:var(--global-palette9, #ffffff);}.kb-btn99903_1b0338-26.kb-button:hover .kb-svg-icon-wrap, .kb-btn99903_1b0338-26.kb-button:focus .kb-svg-icon-wrap{color:#61b522;}.wp-block-kadence-advancedbtn .kb-btn99903_1b0338-26.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn99903_1b0338-26.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_1b0338-26.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_1b0338-26.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn99903_1b0338-26.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_1b0338-26.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_1b0338-26.kb-button:hover, .wp-block-kadence-advancedbtn .kb-btn99903_1b0338-26.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_1b0338-26 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>\u8054\u7cfbPFAS\u5206\u6790\u4e13\u5bb6<\/strong><\/span><span class=\"kb-svg-icon-wrap kb-svg-icon-fe_arrowRight kt-btn-icon-side-right\"><svg viewBox=\"0 0 24 24\"  fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"  aria-hidden=\"true\"><line x1=\"5\" y1=\"12\" x2=\"19\" y2=\"12\"\/><polyline points=\"12 5 19 12 12 19\"\/><\/svg><\/span><\/a><\/div>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u6458\u8981 \u672c\u7814\u7a76\u5efa\u7acb\u4e86\u4e00\u79cd\u7b80\u5355\u53ef\u9760\u7684\u5de5\u4f5c\u6d41\u7a0b\uff0c\u7528\u4e8e\u5206\u6790\u996e\u7528\u6c34\u548c\u975e\u996e\u7528\u6c34\u4e2d45\u79cdPFAS\u5316\u5408\u7269\u3002\u76ee\u6807\u5206\u6790\u7269\u5305\u62ecC2-C14 \u5168\u6c1f\u70f7\u57fa\u7fa7\u9178 \uff08PFCA\uff09;C1-C13 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