{"id":43405,"date":"2021-04-08T00:00:00","date_gmt":"2021-04-08T00:00:00","guid":{"rendered":"https:\/\/discover.restek.com\/uncategorized\/meet-requirements-of-method-537-1-pfas-analysis-with-contaminant-free-workflow-japan\/"},"modified":"2026-03-05T18:43:42","modified_gmt":"2026-03-05T18:43:42","slug":"meet-requirements-of-method-537-1-pfas-analysis-with-contaminant-free-workflow-japan","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/ja\/application-notes-ja\/evan3497-ja\/meet-requirements-of-method-537-1-pfas-analysis-with-contaminant-free-workflow-japan","title":{"rendered":"\u7c73\u56fdEPA Method 537.1\u306b\u3088\u308bPFAS\u5206\u6790\uff1a\u30b3\u30f3\u30bf\u30df\u30d5\u30ea\u30fc\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3068\u9ad8\u7cbe\u5ea6\u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u6982\u8981<\/h2>\n\n\n\n<p>PFAS\u306f\u74b0\u5883\u4e2d\u306e\u81f3\u308b\u6240\u306b\u5b58\u5728\u3057\u3066\u304a\u308a\u3001\u305d\u306e\u5206\u6790\u306b\u306f\u6c5a\u67d3\u306e\u306a\u3044\uff08\u30b3\u30f3\u30bf\u30df\u30d5\u30ea\u30fc\u306a\uff09\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u3053\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ce\u30fc\u30c8\u3067\u306f\u3001\u5206\u6790\u30d7\u30ed\u30bb\u30b9\u306b\u304a\u3051\u308b\u6c5a\u67d3\u3092\u9632\u304e\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c7\u30fc\u30bf\u3092\u5f97\u308b\u305f\u3081\u306e\u5177\u4f53\u7684\u306a\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002\u4e00\u8cab\u3057\u3066\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u6c5a\u67d3\u3092\u9632\u6b62\u3059\u308b\u306e\u306b\u5fc5\u8981\u306a\u30dd\u30a4\u30f3\u30c8\u3084EPA Method 537.1\u306e\u57fa\u6e96\u3092\u6e80\u305f\u3059\u305f\u3081\u306e\u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406\u624b\u9806\u3092\u3001\u63a8\u5968\u6d88\u8017\u54c1\u3082\u542b\u3081\u3066\u8a73\u7d30\u306b\u8aac\u660e\u3057\u307e\u3059\u3002\u52a0\u3048\u3066\u3001\u88c5\u7f6e\u5185\u306b\u6b8b\u7559\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u6c5a\u67d3\u7269\u8cea\u3092\u52b9\u679c\u7684\u306b\u9664\u53bb\u3059\u308bPFAS\u30c7\u30a3\u30ec\u30a4\u30ab\u30e9\u30e0\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u518d\u73fe\u6027\u3068\u30c7\u30fc\u30bf\u7cbe\u5ea6\u3092\u78ba\u4fdd\u3059\u308b\u624b\u6bb5\u3082\u63d0\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u5b9f\u8df5\u7684\u306a\u65b9\u6cd5\u306b\u3088\u308a\u3001\u3088\u308a\u5b89\u5fc3\u3057\u3066\u5206\u6790\u7d50\u679c\u3092\u5c0e\u304d\u51fa\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>\u30da\u30eb\u304a\u3088\u3073\u30dd\u30ea\u30d5\u30eb\u30aa\u30ed\u30a2\u30eb\u30ad\u30eb\u5316\u5408\u7269\uff08PFAS\uff09\u306e\u3001\u4eba\u4f53\u3078\u306e\u66dd\u9732\u3084\u6f5c\u5728\u7684\u306a\u5065\u5eb7\u3078\u306e\u60aa\u5f71\u97ff\u306b\u5bfe\u3059\u308b\u61f8\u5ff5\u304c\u9ad8\u307e\u3063\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u308c\u307e\u3067\u4ee5\u4e0a\u306bPFAS\u5206\u6790\u306f\u5fc5\u8981\u3068\u3055\u308c\u3066\u3044\u307e\u3059\u3002PFAS\u306f\u6b8b\u7559\u6027\u304c\u3042\u308b\u3068\u3044\u3046\u3053\u3068\u3068\u3001\u591a\u304f\u306e\u7523\u696d\u3067\u306e\u69d8\u3005\u306a\u88fd\u54c1\u3068\u3057\u3066\u306e\u7528\u9014\u304c\u5e45\u5e83\u3044\uff08\u7126\u3052\u4ed8\u304d\u9632\u6b62\u306e\u53f0\u6240\u7528\u54c1\u3001\u9632\u6c34\/\u9632\u98a8\u6027\u306e\u8863\u670d\u3001\u6c34\u6027\u819c\u5f62\u6210\u30d5\u30a9\u30fc\u30e0\uff08AFFF\uff09\u304b\u3089\u98df\u54c1\u5305\u88c5\u7528\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u7b49\uff09\u3068\u3044\u3046\u7279\u8cea\u3092\u6301\u3064\u305f\u3081\u3001\u4e16\u754c\u7684\u306b\u5e83\u304f\u5b58\u5728\u3059\u308b\u6c5a\u67d3\u7269\u8cea\u3068\u8a00\u3048\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u571f\u58cc\u3001\u6392\u6c34\u3001\u98f2\u6599\u6c34\u3001\u305d\u306e\u4ed6\u306e\u74b0\u5883\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u306e\u691c\u67fb\u3084\u3001\u98df\u54c1\u306ePFAS\u691c\u67fb\u306f\u5897\u52a0\u306e\u4e00\u9014\u3092\u305f\u3069\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>2020\u5e74\u3001\u7c73\u56fdEPA\u306f\u98f2\u6599\u6c34\u4e2d\u306ePFAS\u5206\u6790\u306b\u5bfe\u5fdc\u3057\u305fMethod 537.1\u6539\u8a022\u7248 [1] \u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406\u306f\u30b9\u30c1\u30ec\u30f3-\u30b8\u30d3\u30cb\u30eb\u30d9\u30f3\u30bc\u30f3\uff08S-DVB\uff09SPE\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u3092\u4f7f\u7528\u3057\u3066\u30b5\u30f3\u30d7\u30eb\u51e6\u7406\u3092\u884c\u3046\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u3066\u304a\u308a\u3001\u3053\u306e\u62bd\u51fa\u624b\u9806\u306f\u9075\u5b88\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002PFAS\u306b\u3088\u308b\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u306e\u6c5a\u67d3\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u304c\u901a\u308b\u7d4c\u8def\u306e\u5404\u90e8\u5206\u304b\u3089\u6eb6\u51fa\u3057\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u5316\u5408\u7269\u306e\u5206\u6790\u3092\u59a8\u5bb3\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u6d88\u8017\u54c1\u306e\u30ed\u30c3\u30c8\u304c\u5909\u66f4\u3055\u308c\u308b\u969b\u306b\u306f\u3001\u65b0\u3057\u3044\u30ed\u30c3\u30c8\u304c\u5206\u6790\u306b\u4e0e\u3048\u308b\u5f71\u97ff\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u6c5a\u67d3\u30ec\u30d9\u30eb\u3001\u30c7\u30fc\u30bf\u306e\u7cbe\u5ea6\u3001\u304a\u3088\u3073\u518d\u73fe\u6027\u304c\u8a31\u5bb9\u7bc4\u56f2\u3067\u3042\u308b\u3053\u3068\u3092\u5b9f\u8a3c\u3057\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002\u3053\u306e\u3088\u3046\u306a\u9069\u683c\u6027\u8a66\u9a13\u3092\u5b9f\u65bd\u3057\u305f\u5f8c\u3082\u3001\u6027\u80fd\u3092\u7d99\u7d9a\u7684\u306b\u4fdd\u8a3c\u3059\u308b\u305f\u3081\u306b\u3001\u30eb\u30fc\u30c1\u30f3\u306e\u30d6\u30e9\u30f3\u30af\u30b5\u30f3\u30d7\u30eb\u304a\u3088\u3073QC\u30b5\u30f3\u30d7\u30eb\u306e\u5206\u6790\u3092\u884c\u3046\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5178\u578b\u7684\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3067\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u304c\u63a5\u89e6\u3057\u305f\u3082\u306e\u3059\u3079\u3066\u304cPFAS\u6c5a\u67d3\u307e\u305f\u306f\u5438\u7740\u306e\u539f\u56e0\u3068\u306a\u308a\u5f97\u307e\u3059\u3002\u30b5\u30f3\u30d7\u30eb\u304c\u63a5\u89e6\u3059\u308b\u3082\u306e\u306b\u306f\u3001\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30dc\u30c8\u30eb\u3001\u5316\u5b66\u7269\u8cea\uff08Trizma base\u3001\u6eb6\u5a92\u3001\u79fb\u52d5\u76f8\u306a\u3069\uff09\u3001\u30d4\u30da\u30c3\u30c8\u3001SPE\u88fd\u54c1\u3001\u30de\u30cb\u30db\u30fc\u30eb\u30c9\u307e\u305f\u306f\u81ea\u52d5\u30b7\u30b9\u30c6\u30e0\u3001\u30c1\u30e5\u30fc\u30d6\u3001\u30d5\u30a3\u30eb\u30bf\u30fc\u3001\u30d0\u30a4\u30a2\u30eb\u3001\u30d0\u30a4\u30a2\u30eb\u30ad\u30e3\u30c3\u30d7\u3001LC\u5185\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306a\u3069\u304c\u542b\u307e\u308c\u307e\u3059\u3002PFAS\u306e\u6eb6\u51fa\u304c\u78ba\u8a8d\u3055\u308c\u3066\u3044\u308bPTFE\u306a\u3069\u306e\u6750\u8cea\u3084\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u6210\u5206\u304c\u5438\u7740\u3059\u308b\u53ef\u80fd\u6027\u306e\u3042\u308b\u30ac\u30e9\u30b9\u88fd\u54c1\u306e\u4f7f\u7528\u3092\u907f\u3051\u308b\u3060\u3051\u306a\u304f\u3001PFAS\u306e\u30b3\u30f3\u30bf\u30df\u6e90\u3068\u306a\u3089\u306a\u3044\u6e05\u6d44\u6027\u3092\u5099\u3048\u305f\u9ad8\u54c1\u8cea\u306a\u6d88\u8017\u54c1\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u5206\u6790\u306b\u304a\u3051\u308b\u30b7\u30b9\u30c6\u30e0\u9069\u5408\u6027\u3092\u78ba\u4fdd\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30c0\u30a6\u30f3\u30bf\u30a4\u30e0\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ce\u30fc\u30c8\u3067\u306f\u3001U.S. EPA Method 537.1\u306b\u5f93\u3044\u3001\u53b3\u683c\u306a\u30e1\u30bd\u30c3\u30c9\u8981\u4ef6\u3092\u6e80\u305f\u3059\u30b3\u30f3\u30bf\u30df\u30d5\u30ea\u30fc\u306a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u5b9f\u8a3c\u3057\u307e\u3057\u305f\u3002\u3053\u3053\u3067\u793a\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u306fMethod 537.1\u306b\u6e96\u62e0\u3057\u3066\u3044\u307e\u3059\u304c\u3001PFAS\u6c5a\u67d3\u306f\u975e\u5e38\u306b\u5e83\u7bc4\u56f2\u306b\u308f\u305f\u308b\u305f\u3081\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9PFAS\u306e\u6709\u7121\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306e\u540c\u69d8\u306e\u30c6\u30b9\u30c8\u306f\u3001\u4ed6\u306ePFAS\u30e1\u30bd\u30c3\u30c9[2]\u306b\u304a\u3044\u3066\u3082\u5f37\u304f\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u9a13<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u6821\u6b63\u7528\u6a19\u6e96\u6eb6\u6db2\u304a\u3088\u3073\u54c1\u8cea\u7ba1\u7406\uff08QC\uff09\u30b5\u30f3\u30d7\u30eb<\/h3>\n\n\n\n<p>PFAS\u306e\u5206\u6790\u6a19\u6e96\u7269\u8cea\u3001\u5185\u90e8\u6a19\u6e96\u7269\u8cea\u3001\u304a\u3088\u3073\u30b5\u30ed\u30b2\u30fc\u30c8\u6a19\u6e96\u7269\u8cea\u3092\u7528\u3044\u3066\u3001EPA Method 537.1\u306b\u8a18\u8f09\u306e\u624b\u9806\u306b\u5f93\u3044\u3001\u6821\u6b63\u7528\u6a19\u6e96\u6eb6\u6db2\u3068\u30e9\u30dc\u6dfb\u52a0\u30d6\u30e9\u30f3\u30af\uff08LFB\uff09\u3092\u8abf\u6574\u3057\u307e\u3057\u305f\u30028\u70b9\u306e\u6821\u6b63\u7528\u6a19\u6e96\u6eb6\u6db2\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406\u4e2d\u306b\u884c\u308f\u308c\u308b250\u500d\u6fc3\u7e2e\u306b\u5148\u7acb\u3061\u3001\u98f2\u6599\u6c34\u4e2d\u306e0.8\uff5e200ppt\u306b\u76f8\u5f53\u3059\u308b0.2\uff5e50ppb\u306e\u6fc3\u5ea6\u7bc4\u56f2\u3067\u4f5c\u88fd\u3057\u307e\u3057\u305f\u3002\u30e9\u30dc\u8a66\u85ac\u30d6\u30e9\u30f3\u30af\uff08LRB\uff09\u304a\u3088\u3073LFB\u306f\u3001EPA Method 537.1, Section 9.2.2\uff5e9.2.4\u306b\u5f93\u3063\u3066\u4f7f\u7528\u3055\u308c\u307e\u3057\u305f\u3002\u307e\u305f\u300140ppt\u3067\u30b9\u30d1\u30a4\u30af\u3057\u305fLFB\u3092\u7528\u3044\u3066\u3001\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u7cbe\u5ea6\u304a\u3088\u3073\u518d\u73fe\u6027\u3092\u8a55\u4fa1\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406<\/h3>\n\n\n\n<p>LFB\u30b5\u30f3\u30d7\u30eb\u306b\u306f\u3001250 mL\u306e\u8d85\u7d14\u6c34\uff0818.3 M\u03a9\u2022cm\uff09\u306b\u5206\u6790\u7528\u6a19\u6e96\u7269\u8cea\u3068\u30b5\u30ed\u30b2\u30fc\u30c8\u6a19\u6e96\u7269\u8cea\u6dfb\u52a0\u3057\u307e\u3057\u305f\u3002LFB\u30b5\u30f3\u30d7\u30eb\u306f\u3001\u62bd\u51fa\u307e\u3067\u30dd\u30ea\u30d7\u30ed\u30d4\u30ec\u30f3\u88fd\u306e\u5bb9\u5668\u3067\u4fdd\u7ba1\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306b\u4f7f\u7528\u3055\u308c\u305f\u6d88\u8017\u54c1\u306e\u8a73\u7d30\u306f\u3001<strong>Table I<\/strong>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>PFAS\u306e\u62bd\u51fa\u306b\u306f\u3001Resprep S-DVB SPE\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\uff086 mL\u3001500 mg\uff09\u3092Resprep\u771f\u7a7a\u30de\u30cb\u30db\u30fc\u30eb\u30c9\u306b\u53d6\u308a\u4ed8\u3051\u3066\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u306f\u307e\u305a\u300115 mL\u306e\u30e1\u30bf\u30ce\u30fc\u30eb\u3067\u5e73\u8861\u5316\u3092\u958b\u59cb\u3057\u3001\u305d\u306e\u5f8c18 mL\u306e\u8d85\u7d14\u6c34\u3092\u901a\u6c34\u3057\u3066\u5e73\u8861\u5316\u3092\u5b8c\u4e86\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u9593\u3001\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u5185\u306e\u7c92\u5b50\u30d9\u30c3\u30c9\u304c\u4e7e\u71e5\u3057\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u3057\u307e\u3057\u305f\u3002PTFE\u30c8\u30e9\u30f3\u30b9\u30d5\u30a1\u30fc\u30e9\u30a4\u30f3\u306e\u4f7f\u7528\u3092\u907f\u3051\u308b\u305f\u3081\u3001SPE\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u306b\u306f\u30a2\u30c0\u30d7\u30bf\u30fc\u3092\u4f7f\u7528\u3057\u3066\u30ea\u30b6\u30fc\u30d0\u30fc\u3092\u53d6\u308a\u4ed8\u3051\u307e\u3057\u305f\u3002<strong>Figure 1<\/strong>\u306b\u793a\u3057\u305f\u3001\u30ea\u30b6\u30fc\u30d0\u30fc\u3092\u7528\u3044\u305f\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306b\u3088\u308a\u3001\u30b5\u30f3\u30d7\u30eb\u306e\u8ffd\u52a0\u304c\u3088\u308a\u7c21\u4fbf\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u5f8c\u8ff0\u306e<strong>Figure 2<\/strong>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p>\u62bd\u51fa\u6642\u306b\u306f\u3001\u7d0410\uff5e15 mL\/\u5206\u306e\u6d41\u901f\u3092\u7dad\u6301\u3057\u3001\u62bd\u51fa\u30d7\u30ed\u30bb\u30b9\u5168\u4f53\u3092\u901a\u3057\u3066\u7c92\u5b50\u30d9\u30c3\u30c9\u304c\u4e7e\u71e5\u3057\u306a\u3044\u3088\u3046\u306b\u6ce8\u610f\u3057\u307e\u3057\u305f\u3002\u30b5\u30f3\u30d7\u30eb\u304c\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u3092\u901a\u904e\u3057\u305f\u5f8c\u3001\u5404\u30b5\u30f3\u30d7\u30eb\u30dc\u30c8\u30eb\u30927.5 mL\u306e\u8d85\u7d14\u6c34\u30672\u56de\u6d17\u6d44\u3001\u305d\u306e\u6d17\u6d44\u6db2\u3092\u7528\u3044\u3066\u5404\u30b5\u30f3\u30d7\u30eb\u30ea\u30b6\u30fc\u30d0\u30fc\u3082\u6d17\u6d44\u3057\u3001\u30b5\u30f3\u30d7\u30eb\u4e2d\u306ePFAS\u304c\u6b8b\u3089\u306a\u3044\u3088\u3046\u306b\u7559\u610f\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u62bd\u51fa\u5f8c\u3001SPE\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u3092\u771f\u7a7a\u30de\u30cb\u30db\u30fc\u30eb\u30c9\u306b\u53d6\u308a\u4ed8\u3051\u305f\u307e\u307e\u7a7a\u6c17\u3092\u5438\u5f15\u3057\u3066\u4e7e\u71e5\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u4e7e\u71e5\u5f8c\u3001\u6355\u96c6\u30c1\u30e5\u30fc\u30d6\u3092\u30de\u30cb\u30db\u30fc\u30eb\u30c9\u5185\u306b\u8a2d\u7f6e\u3057\u30014 mL\u306e\u30e1\u30bf\u30ce\u30fc\u30eb\u3092\u5404SPE\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u306b2\u56de\u901a\u6c34\u3057\u6355\u96c6\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u3001\u6355\u96c6\u30c1\u30e5\u30fc\u30d6\u3092\u30de\u30cb\u30db\u30fc\u30eb\u30c9\u304b\u3089\u53d6\u308a\u5916\u3057\u3001\u30b5\u30f3\u30d7\u30eb\u62bd\u51fa\u6db2\u309265\u2103\u3067\u52a0\u71b1\u3057\u306a\u304c\u3089\u3001\u7a92\u7d20\u6c17\u6d41\u4e0b\u3067\u4e7e\u56fa\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u30b5\u30f3\u30d7\u30eb\u4e7e\u56fa\u5f8c\u300196%\u30e1\u30bf\u30ce\u30fc\u30eb\u6eb6\u6db2\uff08\u30e1\u30bf\u30ce\u30fc\u30eb\uff1a\u6c34\u300096\uff1a4\uff09 1ml\u3068\u5185\u90e8\u6a19\u6e96\u7269\u8cea\u3092\u6dfb\u52a0\u3057\u3001\u30dc\u30eb\u30c6\u30c3\u30af\u30b9\u3092\u7528\u3044\u3066\u6df7\u5408\u3057\u307e\u3057\u305f\u3002\u30dc\u30eb\u30c6\u30c3\u30af\u30b9\u5f8c\u3001\u6fc3\u7e2e\u3055\u308c\u305f\u6eb6\u6db2\u3092\u4e00\u5b9a\u5206\u91cf\u3001\u30dd\u30ea\u30d7\u30ed\u30d4\u30ec\u30f3\u88fd\u306e\u30b5\u30f3\u30d7\u30eb\u30d0\u30a4\u30a2\u30eb\u306b\u79fb\u3057\u3001\u30dd\u30ea\u30a8\u30c1\u30ec\u30f3\u88fd\u30ad\u30e3\u30c3\u30d7\u3067\u84cb\u3092\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u3001PFAS \u30c7\u30a3\u30ec\u30a4\u30ab\u30e9\u30e0\uff08cat.# 27854\uff09\u3068Raptor C18 LC \u30ab\u30e9\u30e0\uff0850 mm x 2.1 mm, 2.7 \u00b5m; cat.# 9304A52\uff09\u3092\u7528\u3044\u3066\u30b5\u30f3\u30d7\u30eb\u3092\u5206\u6790\u3057\u307e\u3057\u305f\u3002\u30e1\u30bd\u30c3\u30c9\u6761\u4ef6\u306f<strong>Figure 3<\/strong>\u304a\u3088\u3073<strong>Figure 4<\/strong>\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article-top\"><div class=\"chromatogram-article-placeholder\"><div class=\"figure-heading\"><strong>Figure 1:<\/strong> \u771f\u7a7a\u30de\u30cb\u30db\u30fc\u30eb\u30c9\u306b\u53d6\u308a\u4ed8\u3051\u305fResprep S-DVB SPE\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u306b\u30b5\u30f3\u30d7\u30eb\u30ea\u30b6\u30fc\u30d0\u30fc\u3092\u88c5\u7740<\/div><div class='chromatogram-article-inner-full'><div class=\"chromatogram-article-inner\">\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"882\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/\/figure-article-EVAN3497-01-1024x882.jpg\" alt=\"\" class=\"wp-image-19455\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN3497-01-1024x882.jpg 1024w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN3497-01-300x259.jpg 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN3497-01-768x662.jpg 768w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN3497-01-1536x1324.jpg 1536w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN3497-01.jpg 1800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<\/div><\/div><\/div>\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n<div class=\"wp-block-custom-chromatogram-article-top\"><div class=\"chromatogram-article-placeholder\"><div class=\"figure-heading\"><strong>Figure 2:<\/strong> Method 537.1 \u306b\u5f93\u3063\u305f\u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406\u3002\u6ce8\u610f: \u3069\u306e\u30b9\u30c6\u30c3\u30d7\u3067\u3082\u3001\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u30d9\u30c3\u30c9\u3092\u4e7e\u71e5\u3055\u305b\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/div><div class='chromatogram-article-inner-full'><div class=\"chromatogram-article-inner\">\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"616\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/\/figure-article-EVAN3497-02-suzujp-1024x616.png\" alt=\"\" class=\"wp-image-19461\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN3497-02-suzujp-1024x616.png 1024w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN3497-02-suzujp-300x180.png 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN3497-02-suzujp-768x462.png 768w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN3497-02-suzujp-1536x923.png 1536w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-EVAN3497-02-suzujp.png 1800w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<\/div><\/div><\/div>\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Table I:<\/strong> Method 537.1\u306b\u3088\u308bPFAS\u5206\u6790\u306b\u4f7f\u7528\u3059\u308b\u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406\u7528\u88fd\u54c1<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"border-width:1px\"><tbody><tr><td><strong>\u88fd\u54c1\u540d<\/strong><\/td><td><strong>Restek Cat.#<\/strong><\/td><\/tr><tr><td>Resprep S-DVB SPE \u30ab\u30fc\u30c8\u30ea\u30c3\u30b8 (6 mL, 500 mg)<\/td><td><a href=\"https:\/\/www.restek.com\/p\/28937\" target=\"_blank\" rel=\"noopener\">28937<\/a><\/td><\/tr><tr><td>Resprep \u771f\u7a7a\u30de\u30cb\u30db\u30fc\u30eb\u30c9 (12\u30dd\u30fc\u30c8\u307e\u305f\u306f24\u30dd\u30fc\u30c8)<\/td><td><a href=\"https:\/\/www.restek.com\/p\/28298-VM\" target=\"_blank\" rel=\"noopener\">28298-VM<\/a>,&nbsp;<a href=\"https:\/\/www.restek.com\/p\/28299-VM\" target=\"_blank\" rel=\"noopener\">28299-VM<\/a>*<\/td><\/tr><tr><td>\u30ea\u30b6\u30fc\u30d0\u30fc\uff08\u30dd\u30ea\u30d7\u30ed\u30d4\u30ec\u30f3\u88fd\uff09<\/td><td><a href=\"https:\/\/www.restek.com\/p\/26015\" target=\"_blank\" rel=\"noopener\">26015<\/a><\/td><\/tr><tr><td>\u30b3\u30cd\u30af\u30bf\uff08\u30dd\u30ea\u30d7\u30ed\u30d4\u30ec\u30f3\u88fd\uff09<\/td><td><a href=\"https:\/\/www.restek.com\/p\/26007\" target=\"_blank\" rel=\"noopener\">26007<\/a><\/td><\/tr><tr><td>\u30d0\u30a4\u30a2\u30eb\uff08\u30dd\u30ea\u30d7\u30ed\u30d4\u30ec\u30f3\u88fd\uff09<\/td><td>23245 \u88fd\u9020\u4e2d\u6b62<\/td><\/tr><tr><td>\u30d0\u30a4\u30a2\u30eb\u30ad\u30e3\u30c3\u30d7\uff08\u30dd\u30ea\u30d7\u30ed\u30d4\u30ec\u30f3\u88fd\uff09<\/td><td><a href=\"https:\/\/www.restek.com\/p\/23247\" target=\"_blank\" rel=\"noopener\">23247<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>*\u672c\u7814\u7a76\u3067\u306f12\u30dd\u30fc\u30c8\u306e\u30de\u30cb\u30db\u30fc\u30eb\u30c9\u3092\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002SPE\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u306f\u30de\u30cb\u30db\u30fc\u30eb\u30c9\u672c\u4f53\u306b\u306f\u76f4\u63a5\u89e6\u308c\u305a\u3001\u4f7f\u3044\u6368\u3066\u30e9\u30a4\u30ca\u30fc\u306e\u307f\u3068\u63a5\u89e6\u3057\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u300112\u30dd\u30fc\u30c8\u306824\u30dd\u30fc\u30c8\u306e\u3069\u3061\u3089\u306e\u30de\u30cb\u30db\u30fc\u30eb\u30c9\u3067\u3082\u554f\u984c\u306a\u304f\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u679c\u3068\u8003\u5bdf<\/h2>\n\n\n\n<p>Method 537.1\u306b\u3088\u308b\u98f2\u6599\u6c34\u4e2d\u306ePFAS\u5206\u6790\u3067\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u53ce\u96c6\u304b\u3089\u5206\u6790\u306b\u81f3\u308b\u307e\u3067\u3001\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u5168\u4f53\u304c\u30b3\u30f3\u30bf\u30df\u30d5\u30ea\u30fc\u3067\u3042\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u6c5a\u67d3\u304c\u4f4e\u304f\u3001\u5206\u6790\u7d50\u679c\u306b\u9069\u5207\u306a\u7cbe\u5ea6\u3068\u518d\u73fe\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u3001\u521d\u671f\u6bb5\u968e\u304b\u3089\u7d99\u7d9a\u7684\u306b\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u6e05\u6d44\u6027\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3001\u30e1\u30bd\u30c3\u30c9\u306b\u5f93\u3044\u30013\u3064\u306e\u7570\u306a\u308b\u30ed\u30c3\u30c8\u306eResprep S-DVB SPE \u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u3092\u4f7f\u7528\u3057\u3066\u30e9\u30dc\u8a66\u85ac\u30d6\u30e9\u30f3\u30af\u30b5\u30f3\u30d7\u30eb\u3092\u8abf\u88fd\u3057\u307e\u3057\u305f\u3002<strong>Figure 3<\/strong>\u306b\u793a\u3059\u3088\u3046\u306b\u3001\u3059\u3079\u3066\u306e\u30ed\u30c3\u30c8\u3067\u30bf\u30fc\u30b2\u30c3\u30c8\u306e\u5206\u6790\u5bfe\u8c61\u6210\u5206\u306f\u691c\u51fa\u3055\u308c\u305a\u3001\u30b3\u30f3\u30bf\u30df\u30d5\u30ea\u30fc\u3067\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u3053\u308c\u306b\u3088\u308a\u3001Method 537.1, Section 9.2.2\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u300c\u30b7\u30b9\u30c6\u30e0\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u304c\u4f4e\u3044\u300d\u3068\u3044\u3046\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u8a3c\u660e\u3055\u308c\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001\u30b7\u30b0\u30ca\u30eb\u5bfe\u30ce\u30a4\u30ba\u6bd4\uff08SN\u6bd4\uff09\uff1e3\u3068\u5b9a\u7fa9\u3057\u305f\u5834\u5408\u306eLOD\uff08\u691c\u51fa\u9650\u754c\uff09\u5024\u306f0.2\uff5e5ppt\u3001SN\u6bd4\uff1e10\u3068\u3057\u305fLOQ\u5024\u306f0.5\uff5e10ppt\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u5b9f\u9a13\u3067\u306f\u3001Resprep S-DVB\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u304c\u8907\u6570\u306e\u30ed\u30c3\u30c8\u3067\u4e00\u8cab\u3057\u3066\u6e05\u6d44\u6027\u304c\u3042\u308b\u3053\u3068\u304c\u5b9f\u8a3c\u3055\u308c\u305f\u3060\u3051\u3067\u306a\u304f\u3001<strong>Table\u2160<\/strong>\u306b\u793a\u3059\u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u901a\u3058\u3066\u4f7f\u7528\u3055\u308c\u305f\u3001\u3044\u305a\u308c\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff08\u771f\u7a7a\u30de\u30cb\u30db\u30fc\u30eb\u30c9\u30b7\u30b9\u30c6\u30e0\u3001\u30d0\u30a4\u30a2\u30eb\u3001\u30ad\u30e3\u30c3\u30d7\u306a\u3069\uff09\u304b\u3089\u3082\u5e72\u6e09\u3059\u308b\u6c5a\u67d3\u7269\u8cea\u304c\u6eb6\u51fa\u3057\u306a\u304b\u3063\u305f\u3053\u3068\u304c\u8a3c\u660e\u3055\u308c\u307e\u3057\u305f\u3002LC\u88c5\u7f6e\u3082\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u6c5a\u67d3\u306e\u539f\u56e0\u3068\u306a\u308a\u5f97\u307e\u3059\u304c\u3001LC\u306e\u914d\u7ba1\u306b\u306fPEEK\u307e\u305f\u306f\u30b9\u30c6\u30f3\u30ec\u30b9\u30b9\u30c1\u30fc\u30eb\u88fd\u30c1\u30e5\u30fc\u30d6\u3092\u7528\u3044\u3001\u3055\u3089\u306bPFAS\u30c7\u30a3\u30ec\u30a4\u30ab\u30e9\u30e0\u304c\u53d6\u308a\u4ed8\u3051\u3089\u308c\u3066\u3044\u305f\u305f\u3081\u3001\u4eca\u56de\u306e\u5206\u6790\u306b\u304a\u3044\u3066\u306f\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u6c5a\u67d3\u306f\u89b3\u5bdf\u3055\u308c\u307e\u305b\u3093\u3067\u3057\u305f\u3002PFAS\u30c7\u30a3\u30ec\u30a4\u30ab\u30e9\u30e0\u306f\u3001LC\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u304b\u3089\u6eb6\u51fa\u3059\u308bPFAS\u3092\u6355\u6349\u3057\u3001\u30b5\u30f3\u30d7\u30eb\u306e\u5206\u6790\u5bfe\u8c61\u6210\u5206\u304c\u6eb6\u51fa\u3057\u305f\u5f8c\u3067\u3001\u305d\u306e\u88dc\u8db3\u6210\u5206\u304c\u6eb6\u51fa\u3059\u308b\u3088\u3046\u306b\u201c\u9045\u5ef6\u201d\u3055\u305b\u308b\u3053\u3068\u3067\u3001\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9PFAS\u306b\u3088\u308b\u5e72\u6e09\u3092\u9632\u6b62\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u3053\u306ePFAS\u30c7\u30a3\u30ec\u30a4\u30ab\u30e9\u30e0\u306f\u3001\u5e73\u8861\u5316\u6642\u9593\u304c\u9577\u304f\u306a\u3063\u3066\u3082\u30d6\u30ec\u30fc\u30af\u30b9\u30eb\u30fc\u3092\u9632\u3050\u307b\u3069\u306e\u5f37\u529b\u306a\u4fdd\u6301\u80fd\u529b\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002[3,4]<\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article-top\"><div class=\"chromatogram-article-placeholder\"><div class=\"figure-heading\"><strong>Figure 3:<\/strong> \u8907\u6570\u30ed\u30c3\u30c8\u306b\u95a2\u3059\u308b\u30e9\u30dc\u8a66\u85ac\u30d6\u30e9\u30f3\u30af\u30b5\u30f3\u30d7\u30eb\uff08LRB\uff09\uff08\u30d4\u30fc\u30af\u30ea\u30b9\u30c8\u3068\u5206\u6790\u6761\u4ef6\u3092\u542b\u3080\u5b8c\u5168\u7248\u306fPDF\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u53ef\uff09<\/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 wide-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ev0574.png\" alt=\"Multi-Lot Laboratory Reagent Blanks (LRB) for EPA 537.1 on Raptor C18\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> lc_ev0574<\/p><div class=\"chromatogram-related-skus\"><h4>Related SKUs<\/h4><ul><li>9304A52<\/li><li>28937<\/li><li>27854<\/li><\/ul><\/div><div class=\"chromatogram-related-searches\"><h4>Related Searches<\/h4><ul><li>537.1<\/li><li>ADONA<\/li><li>EPA 537.1<\/li><li>GenX<\/li><li>HFPO-DA<\/li><li>PFAS<\/li><li>PFOA<\/li><li>PFOS<\/li><li>Raptor<\/li><\/ul><\/div><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ev0574.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:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Method 537.1\u306b\u57fa\u3065\u304fPFAS\u5206\u6790\u306e\u56de\u53ce\u7387\u306b\u3064\u3044\u3066\u306f\u300140 ppt\u306b\u8abf\u88fd\u3057\u305f\u30e9\u30dc\u6dfb\u52a0\u30d6\u30e9\u30f3\u30af\u30b5\u30f3\u30d7\u30eb\uff08n = 4\uff09\u3092\u4f7f\u7528\u3057\u3066\u8a55\u4fa1\u3057\u307e\u3057\u305f\u3002<strong>Figure 4<\/strong>\u306b\u793a\u3055\u308c\u305f\u4ee3\u8868\u7684\u306aLFB\u30af\u30ed\u30de\u30c8\u30b0\u30e9\u30e0\u306f\u3001\u826f\u597d\u306a\u5206\u96e2\u3068\u30d4\u30fc\u30af\u5f62\u72b6\u3001\u9078\u629e\u6027\u3092\u793a\u3057\u307e\u3057\u305f\u3002\u56de\u53ce\u7387\u306b\u95a2\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3059\u306b\u306f\u3001LFB\u30d6\u30e9\u30f3\u30af\u30b5\u30f3\u30d7\u30eb\u5168\u4f53\u306e\u7cbe\u5ea6\u5024\u306f%RSD\u304c20%\u672a\u6e80\u3067\u3042\u308b\u3053\u3068\u3001\u3055\u3089\u306b\u540c\u4e00\u306eLFB\u30d6\u30e9\u30f3\u30af\u30b5\u30f3\u30d7\u30eb\u306e\u7cbe\u5ea6\u304c\u771f\u5024\u306e\u00b130%\u4ee5\u5185\u3067\u3042\u308b\u3053\u3068\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002<strong>Table II<\/strong>\u306b\u793a\u3055\u308c\u3066\u3044\u308b\u30c7\u30fc\u30bf\u304b\u3089\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u518d\u73fe\u6027\u304a\u3088\u3073\u7cbe\u5ea6\u306b\u95a2\u3059\u308b\u8981\u4ef6\uff08Method 537.1, Section 9.2.3.\u304a\u3088\u3073Section 9.2.4.\uff09\u3092\u554f\u984c\u306a\u304f\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002\u826f\u597d\u306a\u56de\u53ce\u7387\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u304c\u901a\u904e\u3059\u308b\u969b\u306b\u63a5\u89e6\u3059\u308b\u69d8\u3005\u306a\u8868\u9762\u3078\u306e\u5438\u7740\u304c\u8d77\u3053\u3089\u305a\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u6210\u5206\u304c\u5931\u308f\u308c\u306a\u304b\u3063\u305f\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-custom-chromatogram-article-top\"><div class=\"chromatogram-article-placeholder\"><div class=\"figure-heading\"><strong>Figure 4:<\/strong> \u30df\u30c3\u30c9\u30ec\u30f3\u30b8\uff0840 ppt\uff09\u3067\u306e\u30e9\u30dc\u6dfb\u52a0\u30d6\u30e9\u30f3\u30af\u30b5\u30f3\u30d7\u30eb\uff08LFB\uff09\uff08\u30d4\u30fc\u30af\u30ea\u30b9\u30c8\u3068\u5206\u6790\u6761\u4ef6\u3092\u542b\u3080\u5b8c\u5168\u7248\u306fPDF\u3067\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u53ef\uff09<\/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 wide-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ev0573.png\" alt=\"Laboratory Fortified Blank (LFB) at Midrange (40 ppt) for EPA 537.1 on Raptor C18\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> lc_ev0573<\/p><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ev0573.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:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>Table II:<\/strong> 40 ppt\u306e\u30e9\u30dc\u6dfb\u52a0\u30d6\u30e9\u30f3\u30af\u30b5\u30f3\u30d7\u30eb\uff08n = 4\uff09\u306eMethod 537.1\u306b\u3088\u308b PFAS \u5206\u6790\u306e\u7cbe\u5ea6\u3068\u518d\u73fe\u6027\u306e\u7d50\u679c<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"border-width:1px\"><thead><tr><th class=\"has-text-align-left\" data-align=\"left\"><strong>\u5206\u6790\u5bfe\u8c61\u6210\u5206<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>%RSD*<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>\u5e73\u5747\u56de\u53ce\u7387**<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">Perfluorobutanesulfonic acid (PFBS)<\/td><td class=\"has-text-align-left\" data-align=\"left\">11.9%<\/td><td class=\"has-text-align-left\" data-align=\"left\">91.1%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Perfluorohexanoic acid (PFHxA)<\/td><td class=\"has-text-align-left\" data-align=\"left\">7.96%<\/td><td class=\"has-text-align-left\" data-align=\"left\">99.4%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Hexafluoropropylene oxide dimer acid (HFPO-DA)<\/td><td class=\"has-text-align-left\" data-align=\"left\">6.34%<\/td><td class=\"has-text-align-left\" data-align=\"left\">94.4%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Perfluoroheptanoic acid (PFHpA)<\/td><td class=\"has-text-align-left\" data-align=\"left\">4.19%<\/td><td class=\"has-text-align-left\" data-align=\"left\">92.7%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Perfluorohexanesulfonic acid (PFHxS)<\/td><td class=\"has-text-align-left\" data-align=\"left\">11.9%<\/td><td class=\"has-text-align-left\" data-align=\"left\">89.4%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">4,8-Dioxa-3H-perfluorononanoic acid (ADONA)<\/td><td class=\"has-text-align-left\" data-align=\"left\">5.18%<\/td><td class=\"has-text-align-left\" data-align=\"left\">96.6%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Perfluorooctanoic acid (PFOA)<\/td><td class=\"has-text-align-left\" data-align=\"left\">5.21%<\/td><td class=\"has-text-align-left\" data-align=\"left\">91.6%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Perfluorononanoic acid (PFNA)<\/td><td class=\"has-text-align-left\" data-align=\"left\">6.79%<\/td><td class=\"has-text-align-left\" data-align=\"left\">97.2%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Perfluorooctanesulfonic acid (PFOS)<\/td><td class=\"has-text-align-left\" data-align=\"left\">6.78%<\/td><td class=\"has-text-align-left\" data-align=\"left\">87.8%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">&nbsp;9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS)<\/td><td class=\"has-text-align-left\" data-align=\"left\">8.59%<\/td><td class=\"has-text-align-left\" data-align=\"left\">85.1%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Perfluorodecanoic acid (PFDA)<\/td><td class=\"has-text-align-left\" data-align=\"left\">6.96%<\/td><td class=\"has-text-align-left\" data-align=\"left\">93.6%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">N-methyl perfluorooctanesulfonamidoacetic acid (N-MeFOSAA)<\/td><td class=\"has-text-align-left\" data-align=\"left\">10.1%<\/td><td class=\"has-text-align-left\" data-align=\"left\">82.8%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">N-ethyl perfluorooctanesulfonamidoacetic acid (N-EtFOSAA)<\/td><td class=\"has-text-align-left\" data-align=\"left\">16.5%<\/td><td class=\"has-text-align-left\" data-align=\"left\">106%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Perfluoroundecanoic acid (PFUnA)<\/td><td class=\"has-text-align-left\" data-align=\"left\">2.30%<\/td><td class=\"has-text-align-left\" data-align=\"left\">97.5%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)<\/td><td class=\"has-text-align-left\" data-align=\"left\">5.47%<\/td><td class=\"has-text-align-left\" data-align=\"left\">87.6%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Perfluorododecanoic acid (PFDoA)<\/td><td class=\"has-text-align-left\" data-align=\"left\">5.73%<\/td><td class=\"has-text-align-left\" data-align=\"left\">99.0%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Perfluorotridecanoic acid (PFTrDA)<\/td><td class=\"has-text-align-left\" data-align=\"left\">12.7%<\/td><td class=\"has-text-align-left\" data-align=\"left\">89.1%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">Perfluorotetradecanoic acid (PFTA)<\/td><td class=\"has-text-align-left\" data-align=\"left\">8.90%<\/td><td class=\"has-text-align-left\" data-align=\"left\">89.7%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>*%RSD\u306f20%\u672a\u6e80\u3067\u3042\u308b\u3053\u3068<br>**\u56de\u53ce\u7387\u306f\u771f\u5024\u306e\u00b130%\u4ee5\u5185\u3067\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6<\/h2>\n\n\n\n<p>\u3053\u3053\u3067\u793a\u3055\u308c\u305f\u30c7\u30fc\u30bf\u306f\u3001EPA Method 537.1\u306b\u3088\u308bPFAS \u5206\u6790\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306b\u304a\u3044\u3066\u3001Resprep S-DVB SPE \u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u304a\u3088\u3073\u305d\u306e\u4ed6\u306e\u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406\u7528\u88fd\u54c1\u304c\u4e00\u8cab\u3057\u3066\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u6c5a\u67d3\u3092\u9632\u6b62\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001PFAS\u30c7\u30a3\u30ec\u30a4\u30ab\u30e9\u30e0\u306e\u4f7f\u7528\u306b\u3088\u308a\u3001LC \u88c5\u7f6e\u5185\u306b\u6f5c\u5728\u7684\u306b\u5b58\u5728\u3059\u308bPFAS\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u6c5a\u67d3\u3092\u52b9\u679c\u7684\u306b\u9664\u53bb\u3067\u304d\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u7d50\u679c\u304b\u3089\u3001\u672c\u5b9f\u9a13\u3067\u4f7f\u7528\u3057\u305f\u6d88\u8017\u54c1\u985e\u3092\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306b\u53d6\u308a\u5165\u308c\u308b\u3053\u3068\u3067\u3001\u59a8\u5bb3\u3068\u306a\u308b\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u6c5a\u67d3\u304c\u4f4e\u6e1b\u3057\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b7\u30b9\u30c6\u30e0\u9069\u5408\u6027\u3068\u3001\u3088\u308a\u6b63\u78ba\u306a\u5206\u6790\u304a\u3088\u3073\u7d50\u679c\u5831\u544a\u304c\u53ef\u80fd\u306b\u306a\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u3055\u3089\u306a\u308b\u60c5\u5831\u3092<a href=\"https:\/\/www.restek.com\/PFAS-JP\" target=\"_blank\" rel=\"noreferrer noopener\">www.restek.com\/PFAS-JP<\/a>\u304b\u3089\u4eca\u3059\u3050\u78ba\u8a8d\uff01<\/h3>\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>J. Shoemaker and D. Tettenhorst, U.S. EPA Method 537.1 Rev 2., Method 537.1 Determination of selected per- and polyflourinated alkyl substances in drinking water by solid phase extraction and liquid chromatography\/tandem mass spectrometry (LC\/MS\/MS), 2020.&nbsp;<a href=\"https:\/\/cfpub.epa.gov\/si\/si_public_file_download.cfm?p_download_id=539984&amp;Lab=CESER\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/cfpub.epa.gov\/si\/si_public_file_download.cfm?p_download_id=539984&amp;Lab=CESER<\/a><\/li>\n\n\n\n<li>Restek Corporation, Product guide for PFAS analysis: a methods-based reference to lab supplies for PFAS testing (EVAR3498-UNV), (2021). <a href=\"articles\/product-guide-for-pfas-analysis\">https:\/\/www.restek.com\/articles\/product-guide-for-pfas-analysis<\/a><\/li>\n\n\n\n<li>Restek Corporation, Eliminate the impact of instrument-related PFAS interferences by using a delay column, (2019). <a href=\"https:\/\/www.restek.com\/global\/ja\/articles\/japanese-eliminate-the-impact-of-instrument-related-pfas-interferences-by-using-a-delay-column\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.restek.com\/articles\/eliminate-the-impact-of-instrument-related-pfas-interferences-by-using-a-delay-column \uff08\u300c\u30c7\u30a3\u30ec\u30a4\u30ab\u30e9\u30e0\u3092\u7528\u3044\u305f\u30b7\u30b9\u30c6\u30e0\u7531\u6765\u306ePFAS\u306b\u3088\u308b\u59a8\u5bb3\u9664\u53bb\u300d\uff09<\/a><\/li>\n\n\n\n<li>Restek, PFAS Analysis \u2013 Why a Delay Column is Important, Video. <a href=\"https:\/\/www.restek.com\/global\/ja\/videos\/pfas-analysis-%E2%80%93-why-a-delay-column-is-important-japan\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.restek.com\/videos\/pfas-analysis-why-a-delay-column-is-important\uff08\u300cPFAS\u5206\u6790\u306b\u304a\u3051\u308b\u30c7\u30a3\u30ec\u30a4\u30ab\u30e9\u30e0\u306e\u91cd\u8981\u6027\u3068\u305d\u306e\u52b9\u679c\uff0dPFAS\u6c5a\u67d3\u7ba1\u7406\u300d\uff09<\/a><\/li>\n<\/ol>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n        <div class=\"cpb\">\n            <h3 class=\"cpb-heading\">Products Mentioned<\/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\/27854\">                                Catalog No. 27854                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">PFAS\u5206\u6790\uff5c\u30c7\u30a3\u30ec\u30a4\u30ab\u30e9\u30e0, 5 \u00b5m, 50 x 2.1 mm HPLC\u30ab\u30e9\u30e0<\/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\">\u88fd\u54c1\u60c5\u5831\u3092\u898b\u308b<\/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\/9304A52\">                                Catalog No. 9304A52                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Raptor C18, 2.7 \u00b5m, 50 x 2.1 mm HPLC\u30ab\u30e9\u30e0<\/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\/9304A52\">\u88fd\u54c1\u60c5\u5831\u3092\u898b\u308b<\/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\/28937\">                                Catalog No. 28937                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Resprep S-DVB SPE Cartridge, 6 mL\/500 mg, 30-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\/28937\">\u88fd\u54c1\u60c5\u5831\u3092\u898b\u308b<\/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\/25008\">                                Catalog No. 25008                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Low-Pressure Inlet Filter, 1\/8&quot; 10 \u00b5m Slip-On<\/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\/25008\">\u88fd\u54c1\u60c5\u5831\u3092\u898b\u308b<\/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\/25097\">                                Catalog No. 25097                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Survival Kit for HPLC, Stainless Steel<\/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\/25097\">\u88fd\u54c1\u60c5\u5831\u3092\u898b\u308b<\/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\/28298-VM\">                                Catalog No. 28298-VM                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Resprep QR-12 Vacuum Manifold<\/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\/28298-VM\">\u88fd\u54c1\u60c5\u5831\u3092\u898b\u308b<\/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\/28299-VM\">                                Catalog No. 28299-VM                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Resprep QR-24 Vacuum Manifold<\/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\/28299-VM\">\u88fd\u54c1\u60c5\u5831\u3092\u898b\u308b<\/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\/26015\">                                Catalog No. 26015                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">SPE Empty Tubes, Sample Reservoir, 75 mL, Polypropylene, 12-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\/26015\">\u88fd\u54c1\u60c5\u5831\u3092\u898b\u308b<\/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\/26007\">                                Catalog No. 26007                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">SPE Connector, 1, 3, 6, 10, or 15 mL, Polypropylene, 15-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\/26007\">\u88fd\u54c1\u60c5\u5831\u3092\u898b\u308b<\/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\/23245\">                                Catalog No. 23245                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Discontinued: Limited-Volume Screw-Thread Polypropylene Vials, 9 mm, 1.5 mL, 12 x 32 mm, 1000-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\/23245\">\u88fd\u54c1\u60c5\u5831\u3092\u898b\u308b<\/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\/23247\">                                Catalog No. 23247                            <\/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, 1000-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\/23247\">\u88fd\u54c1\u60c5\u5831\u3092\u898b\u308b<\/a>\n                                                    <\/div>\n                    <\/div>\n                            <\/div>\n        <\/div>\n        \n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u30b3\u30f3\u30bf\u30df\u3092\u9632\u6b62\u3059\u308bPFAS\u5206\u6790\u306e\u30b3\u30c4\u3092\u7d39\u4ecb\u3002EPA Method 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