{"id":45319,"date":"2025-10-08T17:56:25","date_gmt":"2025-10-08T17:56:25","guid":{"rendered":"https:\/\/discover.restek.com\/uncategorized\/optimizing-epa-method-1634-for-6ppd-quinone-analysis-japan\/"},"modified":"2025-12-31T14:57:13","modified_gmt":"2025-12-31T14:57:13","slug":"optimizing-epa-method-1634-for-6ppd-quinone-analysis-japan","status":"publish","type":"post","link":"https:\/\/discover.restek.com\/ja\/application-notes-ja\/evan4446-ja\/optimizing-epa-method-1634-for-6ppd-quinone-analysis-japan","title":{"rendered":"EPA Draft Method 1634\u6e96\u62e0 \u00a0\u6700\u9069\u5316\u3055\u308c\u305f6PPD-\u30ad\u30ce\u30f3\u5b9a\u91cf\u6cd5"},"content":{"rendered":"\n<h3 class=\"wp-block-heading\"><strong>\u6700\u7d42\u66f4\u65b0\u65e5\uff1a2025\u5e7410\u670815\u65e5<\/strong><\/h3>\n\n\n\n<h2 class=\"wp-block-heading\">EPA 1634 (Draft Method) \u6e96\u62e0\u30e1\u30bd\u30c3\u30c9\u6700\u9069\u5316\u306e\u6982\u8981<\/h2>\n\n\n\n<p>EPA Draft Method 1634\u306f\u3001\u4e3b\u306b\u96e8\u6c34\u3084\u8868\u5c64\u6c34\u306a\u3069\u306e\u6c34\u7cfb\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u4e2d\u306e6PPD-\u30ad\u30ce\u30f3\u306e\u5b9a\u91cf\u3092\u76ee\u7684\u3068\u3057\u305f\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30d9\u30fc\u30b9\u306eLC-MS\/MS\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u5b9f\u9a13\u3092\u901a\u3057\u3066\u3001\u5206\u6790\u30ab\u30e9\u30e0\u3084\u6761\u4ef6\u3092\u6700\u9069\u5316\u3057\u3066\u3001\u30e1\u30bd\u30c3\u30c9\u304c\u898f\u5b9a\u3059\u308b\u6761\u4ef6\u3092\u3059\u3079\u3066\u6e80\u305f\u3057\u305f\u4e0a\u3067\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\uff08\u6027\u80fd\u57fa\u6e96\uff09\u5411\u4e0a\u306e\u53ef\u80fd\u6027\u306b\u3064\u3044\u3066\u691c\u8a3c\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u7d50\u679c\u3001\u30e1\u30bd\u30c3\u30c9\u8981\u4ef6\u3092\u6e80\u305f\u3057\u306a\u304c\u3089\u3082\u3001\u7dcf\u5206\u6790\u6642\u9593\u3092\u5f93\u6765\u306e10\u5206\u304b\u30895.5\u5206\u306b\u77ed\u7e2e\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u304c\u5b9f\u8a3c\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u30b5\u30f3\u30d7\u30eb\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u304c\u5411\u4e0a\u3057\u3001\u30e9\u30dc\u5168\u4f53\u306e\u751f\u7523\u6027\u3082\u6539\u5584\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b\uff5e6PPD-\u30ad\u30ce\u30f3\u306e\u74b0\u5883\u52d5\u614b\u3068\u30e1\u30bd\u30c3\u30c9\u6700\u9069\u5316\u306e\u80cc\u666f<\/h2>\n\n\n\n<p>6PPD-\u30ad\u30ce\u30f3\uff086PPD-Q\uff09\u306f\u3001\u30bf\u30a4\u30e4\u6dfb\u52a0\u5264\u3067\u3042\u308bN-(1,3-\u30b8\u30e1\u30c1\u30eb\u30d6\u30c1\u30eb)-N&#8217;-\u30d5\u30a7\u30cb\u30eb-p-\u30d5\u30a7\u30cb\u30ec\u30f3\u30b8\u30a2\u30df\u30f3\uff086-PPD\uff09\u304c\u5927\u6c17\u4e2d\u306e\u30aa\u30be\u30f3\u3068\u53cd\u5fdc\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u751f\u6210\u3055\u308c\u307e\u3059\u3002\u964d\u96e8\u5f8c\u306a\u3069\u306b6PPD-\u30ad\u30ce\u30f3\u304c\u9053\u8def\u8868\u9762\u304b\u3089\u6d41\u51fa\u3057\u3001\u6cb3\u5ddd\u3084\u6e56\u6cbc\uff08\u6d41\u51fa\u6c34\uff09\u3078\u3068\u6d41\u5165\u3057\u307e\u3059\u3002\u7814\u7a76\u5831\u544a\u304b\u3089\u30016PPD-\u30ad\u30ce\u30f3\u306f\u30ae\u30f3\u30b6\u30b1\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u9b5a\u985e\u306b\u81f4\u6b7b\u7684\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3059\u53ef\u80fd\u6027\u304c\u3042\u308b\u3053\u3068\u304c\u660e\u3089\u304b\u306b\u306a\u3063\u3066\u304a\u308a\u3001\u305d\u306e\u5b9f\u614b\u628a\u63e1\u306f\u74b0\u5883\u5206\u6790\u4e0a\u304d\u308f\u3081\u3066\u91cd\u8981\u3067\u3059\u3002\u3053\u306e\u3088\u3046\u306a6PPD-\u30ad\u30ce\u30f3\u306e\u6d41\u51fa\u6c34\u3078\u306e\u6eb6\u51fa\u306b\u5bfe\u3059\u308b\u61f8\u5ff5\u306f\u9ad8\u307e\u308b\u4e00\u65b9\u3067\u3059\u3002\u305d\u3053\u3067\u3001EPA\u306f2023\u5e7412\u6708\u3001\u6c34\u8cea\u6c5a\u6fc1\u9632\u6b62\u6cd5\uff08CWA\uff09\u306b\u57fa\u3065\u304d\u3001Draft Method 1634\u300c\u6db2\u4f53\u30af\u30ed\u30de\u30c8\u30b0\u30e9\u30d5\u30a3\u30fc\/\u30bf\u30f3\u30c7\u30e0\u8cea\u91cf\u5206\u6790\u6cd5\uff08LC-MS\/MS\uff09\u306b\u3088\u308b\u6c34\u7cfb\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u4e2d\u306e6PPD-\u30ad\u30ce\u30f3\u5b9a\u91cf\u6cd5\u300d\u3092\u767a\u8868\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>Draft Method 1634\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30d9\u30fc\u30b9\u306e\u30e1\u30bd\u30c3\u30c9\u3067\u3059\u3002\u898f\u5b9a\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9\u3068\u540c\u7b49\u306e\u7d50\u679c\u304c\u5f97\u3089\u308c\u308b\u306e\u3067\u3042\u308c\u3070\u3001\u30e1\u30bd\u30c3\u30c9\u306b\u5909\u66f4\u3092\u52a0\u3048\u308b\u3053\u3068\u304c\u8a31\u5bb9\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u67d4\u8edf\u6027\u3092\u6d3b\u304b\u3057\u3001\u5206\u6790\u30ab\u30e9\u30e0\u3084LC-MS\/MS\u5206\u6790\u6761\u4ef6\u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30bd\u30c3\u30c9\u8981\u4ef6\u3092\u6e80\u305f\u3057\u306a\u304c\u3089\u3082\u5206\u6790\u6642\u9593\u3092\u77ed\u7e2e\u3057\u3001\u5206\u6790\u30b5\u30f3\u30d7\u30eb\u6570\u3092\u5897\u3084\u3059\u3053\u3068\u304c\u53ef\u80fd\u304b\u3001\u4ee5\u4e0b\u306e\u5b9f\u9a13\u3092\u901a\u3057\u3066\u691c\u8a0e\u3057\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u7531\u6765\u306e\u5e72\u6e09\u3092\u4f4e\u6e1b\u3059\u308b\u305f\u3081\u306b\u3001\u9ad8\u6027\u80fd\u306aResprep\u30dd\u30ea\u30de\u30fcSPE\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u3092\u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406\u306b\u4f7f\u7528\u3057\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<\/h3>\n\n\n\n<p>\u30a2\u30bb\u30c8\u30cb\u30c8\u30ea\u30eb\u3092\u4f7f\u7528\u3057\u3001\u6fc3\u5ea6\u306e\u7570\u306a\u308b7\u70b9\u306e\u6821\u6b63\u7528\u6a19\u6e96\u6eb6\u6db2\uff08<strong>Table I<\/strong>\u53c2\u7167\uff09\u3092\u8abf\u88fd\u3057\u307e\u3057\u305f\u3002\u3000EPA\u30e1\u30bd\u30c3\u30c9\u306b\u5f93\u3044\u3001%RSE\u304c\u6700\u5c0f\u3068\u306a\u308b\u66f2\u7dda\u8fd1\u4f3c\u3092\u9078\u629e\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p><strong>Table I:<\/strong> \u6821\u6b63\u7528\u6a19\u6e96\u6eb6\u6db2\u6fc3\u5ea6<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"border-width:1px\"><tbody><tr><td>&nbsp;<\/td><td colspan=\"7\"><strong>\u6821\u6b63\u7528\u6a19\u6e96\u6eb6\u6db2\u6fc3\u5ea6 (ng\/mL)<\/strong><\/td><\/tr><tr><td><strong>\u5316\u5408\u7269\u304a\u3088\u3073\u4e2d\u9593\u6a19\u6e96\u7269\u8cea\u306e\u6fc3\u5ea6<\/strong><\/td><td><strong>C1<\/strong><\/td><td><strong>C2<\/strong><\/td><td><strong>C3<\/strong><\/td><td><strong>C4<\/strong><\/td><td><strong>C5<\/strong><\/td><td><strong>C6<\/strong><\/td><td><strong>C7<\/strong><\/td><\/tr><tr><td>6PPD-quinone (20 ng\/mL)<\/td><td>0.025<\/td><td>0.050<\/td><td>0.10<\/td><td>0.50<\/td><td>1.0<\/td><td>5.0<\/td><td>10.0<\/td><\/tr><tr><td><sup>13<\/sup>C<sub>6<\/sub>-6PPD-quinone (20 ng\/mL)<\/td><td>1.0<\/td><td>1.0<\/td><td>1.0<\/td><td>1.0<\/td><td>1.0<\/td><td>1.0<\/td><td>1.0<\/td><\/tr><tr><td>D5-6PPD-quinone (20 ng\/mL)<\/td><td>1.0<\/td><td>1.0<\/td><td>1.0<\/td><td>1.0<\/td><td>1.0<\/td><td>1.0<\/td><td>1.0<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u54c1\u8cea\u7ba1\u7406\uff08QC\uff09\u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406<\/h3>\n\n\n\n<p>EPA Draft Method 1634, Section 7.2\u306b\u5f93\u3044\u3001Cambridge Isotope Laboratories\u793e\u88fd\u306e\u62bd\u51fa\u5185\u90e8\u6a19\u6e96\u304a\u3088\u3073\u672a\u62bd\u51fa\u5185\u90e8\u6a19\u6e96\uff08EIS\/NIS\uff09\uff08cat.# CIL-ULM-12288-1.2\u3001CLM-12293-1.2\u3001\u304a\u3088\u3073DLM-11616-1.2\uff09\u309250 \u03bcL\u6dfb\u52a0\u3057\u305f\u8131\u30a4\u30aa\u30f3\u6c34250mL\u3092\u4f7f\u7528\u3057\u3066\u3001\u30dd\u30ea\u30d7\u30ed\u30d4\u30ec\u30f3\u88fd\u30dc\u30c8\u30eb\u306b\u30b5\u30f3\u30d7\u30eb\u3092\u8abf\u88fd\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u7528\u3044\u3066\u3001\u7cbe\u5ea6\u3001\u518d\u73fe\u6027\u3001\u304a\u3088\u3073\u30e1\u30bd\u30c3\u30c9\u691c\u51fa\u9650\u754c\uff08MDL\uff09\u306e\u6e2c\u5b9a\u3092\u5b9f\u65bd\u3057\u307e\u3057\u305f\u3002\u521d\u671f\u7cbe\u5ea6\u304a\u3088\u3073\u56de\u53ce\u7387\uff08IPR\uff09\u5206\u6790\u7528\u306e\u30b5\u30f3\u30d7\u30eb\uff08n=4\uff09\u306b\u306f\u300140 ng\/L\u306e6PPD-\u30ad\u30ce\u30f3\u3092\u6dfb\u52a0\u3057\u307e\u3057\u305f\u3002MDL\u7528\u30b5\u30f3\u30d7\u30eb\uff08n=6\uff09\u306b\u306f\u3001\u30cd\u30a4\u30c6\u30a3\u30d6\u6a19\u6e96\u7269\u8cea\u306e5:1\u5e0c\u91c8\u6db2\u309250 \u00b5L\u6dfb\u52a0\u3057\u3001\u62bd\u51fa\u524d\u6fc3\u5ea6\u309220 ng\/mL\u3068\u3057\u307e\u3057\u305f\u3002MDL\u30b5\u30f3\u30d7\u30eb\u306e\u8abf\u88fd\u3001\u62bd\u51fa\u3001\u5206\u6790\u306f3\u65e5\u9593\u306b\u308f\u305f\u308a\u5b9f\u65bd\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6c34\u30b5\u30f3\u30d7\u30eb<\/h3>\n\n\n\n<p>\u30da\u30f3\u30b7\u30eb\u30d9\u30cb\u30a2\u5dde\u30b9\u30c6\u30fc\u30c8\u30ab\u30ec\u30c3\u30b8\u306e\u9ad8\u901f\u9053\u8def322-East\u306e\u9053\u8def\u6d41\u51fa\u6c34\u304b\u3089\u3001\u5b9f\u969b\u306e\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u30b5\u30f3\u30d7\u30eb\u3092\u63a1\u53d6\u3057\u3001PTFE\u30e9\u30a4\u30cb\u30f3\u30b0\u30ad\u30e3\u30c3\u30d7\u306e\u4ed8\u3044\u305f250 mL\u306e\u7425\u73c0\u8272\u306e\u30ac\u30e9\u30b9\u74f6\u306b\u53ce\u5bb9\u3057\u307e\u3057\u305f\u3002\u30b5\u30f3\u30d7\u30eb\u306f6\u2103\u4ee5\u4e0b\u3067\u4fdd\u5b58\u3057\u3001\u3059\u3079\u3066\u306e\u30b5\u30f3\u30d7\u30eb\u306f\u63a1\u53d6\u304b\u308914\u65e5\u4ee5\u5185\u306b\u62bd\u51fa\u3057\u307e\u3057\u305f\u3002EIS\u3092\u30b5\u30f3\u30d7\u30eb\u62bd\u51fa\u524d\u306b\u6dfb\u52a0\u3057\u3001NIS\u306f\u62bd\u51fa\u5f8c\u306b\u6dfb\u52a0\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b5\u30f3\u30d7\u30eb\u62bd\u51fa<\/h3>\n\n\n\n<p>\u30b5\u30f3\u30d7\u30eb\u62bd\u51fa\u306f\u3001Dionex AutoTrace 280 PFAS\u30e2\u30c7\u30eb\u30b7\u30b9\u30c6\u30e0\u3067\u3001Resprep\u30dd\u30ea\u30de\u30fcSPE\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8, HLB, 60 \u00b5m, 6 mL\/200 mg\uff08cat.# 28264\uff09\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u65bd\u3057\u307e\u3057\u305f\u3002<strong>Figure 1<\/strong>\u306e\u624b\u9806\u306b\u5f93\u3063\u3066\u30013\u65e5\u9593\u306b\u308f\u305f\u3063\u3066\u30b5\u30f3\u30d7\u30eb\u3092\u62bd\u51fa\u3057\u307e\u3057\u305f\u3002\u62bd\u51fa\u5f8c\u3001\u30b5\u30f3\u30d7\u30eb\u306b50 \u00b5L\u306e\u672a\u62bd\u51fa\u5185\u90e8\u6a19\u6e96\uff08NIS, Cambridge Isotope Laboratory\u793e\u88fd cat.# DLM-11616-1.2\uff09\u3092\u6dfb\u52a0\u3057\u307e\u3057\u305f\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> \u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406\u5de5\u7a0b\uff08\u30b9\u30c6\u30c3\u30d71\uff5e6\u5404\u51e6\u7406\u306e\u3042\u3068\u51e6\u7406\u6db2\u306f\u5ec3\u68c4\u3055\u308c\u307e\u3059\uff09<\/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=\"755\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/\/figure-article-evan4446-01-JPsuzu-1024x755.jpg\" alt=\"\" class=\"wp-image-64361\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-evan4446-01-JPsuzu-1024x755.jpg 1024w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-evan4446-01-JPsuzu-300x221.jpg 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-evan4446-01-JPsuzu-768x567.jpg 768w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-evan4446-01-JPsuzu-1536x1133.jpg 1536w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-evan4446-01-JPsuzu.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\n<h3 class=\"wp-block-heading\">\u30e1\u30bd\u30c3\u30c9\u306b\u4f7f\u7528\u3057\u305f\u88c5\u7f6e<\/h3>\n\n\n\n<p>\u3053\u306e\u5b9f\u9a13\u3067\u4f7f\u7528\u3057\u305f\u306e\u306f\u3001\u300cWaters ACQUITY Premier LC\u300d\u3068\u300cXevo TQ Absolute\u30c8\u30ea\u30d7\u30eb\u56db\u91cd\u6975 MS\u300d\u3067\u3059\u3002Draft Method 1634\u306e\u30aa\u30ea\u30b8\u30ca\u30eb\u306e\u6761\u4ef6\u3092<strong>Table II<\/strong>\u306b\u3001\u3053\u306e\u5b9f\u9a13\u3067\u4f7f\u7528\u3057\u305f\u6700\u9069\u5316\u3055\u308c\u305f\u30ab\u30e9\u30e0\u3068\u6761\u4ef6\u3092<strong>Table III<\/strong>\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>Table II:<\/strong> Draft Method 1634\u63a8\u5968\u306eHPLC\u6761\u4ef6\uff08Section 10.3.1\uff09<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"border-width:1px\"><tbody><tr><td>\u30ab\u30e9\u30e0<\/td><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"3\">C18 phase 4.6 x 100 mm, 3.5 \u00b5m<\/td><\/tr><tr><td>\u79fb\u52d5\u76f8A<\/td><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"3\">0.2% \u30ae\u9178\u6c34\u6eb6\u6db2<\/td><\/tr><tr><td>\u79fb\u52d5\u76f8B<\/td><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"3\">\u30a2\u30bb\u30c8\u30cb\u30c8\u30ea\u30eb<\/td><\/tr><tr><td>\u30ab\u30e9\u30e0\u6e29\u5ea6<\/td><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"3\">45 \u00b0C<\/td><\/tr><tr><td>\u6ce8\u5165\u91cf<\/td><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"3\">20 \u00b5L<\/td><\/tr><tr><td>\u6d41\u901f<\/td><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"3\">0.6 mL\/min<\/td><\/tr><tr><td>\u6700\u5927\u5727\u529b<\/td><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"3\">7500 psi (517 bar)<\/td><\/tr><tr><td>\u30b0\u30e9\u30b8\u30a8\u30f3\u30c8<\/td><td class=\"has-text-align-left\" data-align=\"left\">\u6642\u9593(min)<\/td><td>%A<\/td><td>%B<\/td><\/tr><tr><td>&nbsp;<\/td><td class=\"has-text-align-left\" data-align=\"left\">0<\/td><td>90<\/td><td>10<\/td><\/tr><tr><td>&nbsp;<\/td><td class=\"has-text-align-left\" data-align=\"left\">1<\/td><td>90<\/td><td>10<\/td><\/tr><tr><td>&nbsp;<\/td><td class=\"has-text-align-left\" data-align=\"left\">3<\/td><td>45<\/td><td>55<\/td><\/tr><tr><td>&nbsp;<\/td><td class=\"has-text-align-left\" data-align=\"left\">6<\/td><td>1<\/td><td>99<\/td><\/tr><tr><td>&nbsp;<\/td><td class=\"has-text-align-left\" data-align=\"left\">8<\/td><td>1<\/td><td>99<\/td><\/tr><tr><td>&nbsp;<\/td><td class=\"has-text-align-left\" data-align=\"left\">8.5<\/td><td>90<\/td><td>10<\/td><\/tr><tr><td>&nbsp;<\/td><td class=\"has-text-align-left\" data-align=\"left\">9<\/td><td>90<\/td><td>10<\/td><\/tr><tr><td>6PPD-\u30ad\u30ce\u30f3\u306e\u4e88\u5b9a\u6eb6\u51fa\u6642\u9593<\/td><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"3\">7.53 min<\/td><\/tr><tr><td>\u7dcf\u5206\u6790\u6642\u9593<\/td><td class=\"has-text-align-left\" data-align=\"left\" colspan=\"3\">10.0 min<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p><strong>Table III:&nbsp;<\/strong>\u6700\u9069\u5316\u3055\u308c\u305fLC\u30e1\u30bd\u30c3\u30c9\u6761\u4ef6<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"border-width:1px\"><tbody><tr><td>\u30ab\u30e9\u30e0<\/td><td colspan=\"3\">Raptor C18 50 x 2.1 mm, 2.7 \u00b5m (cat.# 9304A52)<\/td><\/tr><tr><td>\u30ac\u30fc\u30c9\u30ab\u30e9\u30e0<\/td><td colspan=\"3\">Raptor C18 EXP guard column cartridge 5 x 2.1 mm, 2.7 \u00b5m (cat.# 9304A0252)<\/td><\/tr><tr><td>\u79fb\u52d5\u76f8A<\/td><td colspan=\"3\">0.1% \u30ae\u9178\u6c34\u6eb6\u6db2<\/td><\/tr><tr><td>\u79fb\u52d5\u76f8B<\/td><td colspan=\"3\">0.1% \u30ae\u9178\u542b\u6709\u30a2\u30bb\u30c8\u30cb\u30c8\u30ea\u30eb\u6eb6\u6db2<\/td><\/tr><tr><td>\u5e0c\u91c8\u6db2<\/td><td colspan=\"3\">\u30a2\u30bb\u30c8\u30cb\u30c8\u30ea\u30eb<\/td><\/tr><tr><td>\u30ab\u30e9\u30e0\u6e29\u5ea6<\/td><td colspan=\"3\">40 \u00b0C<\/td><\/tr><tr><td>\u6ce8\u5165\u91cf<\/td><td colspan=\"3\">3 \u00b5L<\/td><\/tr><tr><td>\u6d41\u901f<\/td><td colspan=\"3\">0.5 mL\/min<\/td><\/tr><tr><td>\u6700\u5927\u5727\u529b<\/td><td colspan=\"3\">3200 psi (220 bar)<\/td><\/tr><tr><td>\u30b0\u30e9\u30b8\u30a8\u30f3\u30c8<\/td><td>\u6642\u9593 (min)<\/td><td>%A<\/td><td>%B<\/td><\/tr><tr><td>&nbsp;<\/td><td>0<\/td><td>70<\/td><td>30<\/td><\/tr><tr><td>&nbsp;<\/td><td>3<\/td><td>0<\/td><td>100<\/td><\/tr><tr><td>&nbsp;<\/td><td>4<\/td><td>0<\/td><td>100<\/td><\/tr><tr><td>&nbsp;<\/td><td>4.01<\/td><td>70<\/td><td>30<\/td><\/tr><tr><td>&nbsp;<\/td><td>5.5<\/td><td>70<\/td><td>30<\/td><\/tr><tr><td>6PPD-\u30ad\u30ce\u30f3 \u4e88\u5b9a\u6eb6\u51fa\u6642\u9593<\/td><td colspan=\"3\">1.93 min<\/td><\/tr><tr><td>\u7dcf\u5206\u6790\u6642\u9593<\/td><td colspan=\"3\">5.5 min<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u679c\u3068\u8003\u5bdf<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">LC-MS\/MS\u30e1\u30bd\u30c3\u30c9\u306e\u6700\u9069\u5316\u3068\u30af\u30ed\u30de\u30c8\u30b0\u30e9\u30d5\u30a3\u30fc\u6027\u80fd<\/h3>\n\n\n\n<p>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30d9\u30fc\u30b9\u306eDraft Method 1634\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u8981\u4ef6\u3092\u3059\u3079\u3066\u6e80\u305f\u3059\u3053\u3068\u3092\u6761\u4ef6\u306b\u3001\u30e1\u30bd\u30c3\u30c9\u6761\u4ef6\u306e\u5909\u66f4\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u5b9f\u9a13\u306b\u304a\u3044\u3066\u3001\u3044\u304f\u3064\u304b\u306e\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u6700\u9069\u5316\u3057\u3001\u5206\u6790\u6642\u9593\u77ed\u7e2e\u3001\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u6539\u5584\u3001HPLC\u304a\u3088\u3073UHPLC\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u4e21\u65b9\u306b\u9069\u5408\u3059\u308b\u30e1\u30bd\u30c3\u30c9\u78ba\u7acb\u3092\u5b9f\u73fe\u3057\u307e\u3057\u305f\u3002\u6700\u7d42\u7684\u306b\u3001\u6700\u9069\u5316\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9\uff08<strong>Figure 2<\/strong>\u53c2\u7167\uff09\u306b\u3088\u3063\u3066\u30016PPD-\u30ad\u30ce\u30f3\u306e\u4fdd\u6301\u6642\u9593\u3092\u5f93\u6765\u306e7.53\u5206\u304b\u30891.93\u5206\u3078\u3001\u307e\u305f\u3001\u7dcf\u5206\u6790\u6642\u9593\u309210\u5206\u304b\u30895.5\u5206\u3078\u77ed\u7e2e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u3055\u3089\u306b\u3001\u6700\u5927\u80cc\u5727\u3092220 bar\u4ee5\u4e0b\u306b\u6291\u3048\u308b\u3053\u3068\u3082\u5b9f\u73fe\u3057\u3066\u3044\u307e\u3059\u3002\u4ee5\u4e0b\u306b\u6700\u9069\u5316\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u8a73\u8ff0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u6700\u9069\u5316\u306e\u9375\u306f\u30ab\u30e9\u30e0\u9078\u629e<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Draft Method 1634\u63a8\u5968\u306e\u5206\u6790\u30ab\u30e9\u30e0\uff1aC18 \u56fa\u5b9a\u76f8\uff083.5 \u00b5m\u7c92\u5b50\u5f84\u306e100 \u00d7 4.6 mm\u30ab\u30e9\u30e0\uff09<\/li>\n\n\n\n<li>\u6700\u9069\u5316\u3055\u308c\u305f\u30e1\u30bd\u30c3\u30c9\u3067\u4f7f\u7528\u3057\u305f\u30ab\u30e9\u30e0\uff1aRaptor C18 \u30ab\u30e9\u30e0\uff082.7 \u00b5m\u7c92\u5b50\u5f84\u306e50 \u00d7 2.1 mm\u30ab\u30e9\u30e0\uff09<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u5206\u6790\u3067\u306f\u3001\u5206\u6790\u6642\u9593\u306e\u77ed\u7e2e\u3092\u76ee\u7684\u3068\u3057\u3066Raptor\u30ab\u30e9\u30e0\u3092\u9078\u629e\u3057\u307e\u3057\u305f\u3002Raptor\u30ab\u30e9\u30e0\u306f\u8868\u9762\u591a\u5b54\u6027\u5145\u586b\u5264\uff08SPP\uff09\u3092\u63a1\u7528\u3057\u3066\u304a\u308a\u3001Draft Method\u3067\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u5168\u591a\u5b54\u60273.5 \u00b5m\u30ab\u30e9\u30e0\u3068\u6bd4\u3079\u3066\u30ab\u30e9\u30e0\u52b9\u7387\u304c\u9ad8\u304f\u3001\u5206\u6790\u6642\u9593\u3092\u77ed\u7e2e\u3057\u3064\u3064\u80cc\u5727\u3092\u4f4e\u304f\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u5206\u6790\u30ab\u30e9\u30e0\u306e\u4fdd\u8b77\u3068\u5fae\u7c92\u5b50\u9664\u53bb\u306e\u305f\u3081\u306b\u3001Raptor C18 EXP\u30ac\u30fc\u30c9\u30ab\u30e9\u30e0\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\uff08cat.# 9304A0252\uff09\u3092\u4f75\u7528\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u3055\u3089\u306b\u3001\u30ab\u30e9\u30e0\u5185\u5f84\u3092\u5c0f\u3055\u304f\u3057\u305f\u3053\u3068\u306b\u3088\u308a\u3001\u5206\u6790\u6642\u9593\u306f\u66f4\u306b\u77ed\u7e2e\u3055\u308c\u307e\u3057\u305f\u3002\u4e00\u65b9\u3067\u3001\u6d41\u901f\u3092\u4f4e\u304f\u8a2d\u5b9a\u3057\u305f\u3053\u3068\u3067\u3001\u80cc\u5727\u304a\u3088\u3073\u6eb6\u5a92\u6d88\u8cbb\u91cf\u3092\u6291\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u30ca\u30ed\u30fc\u30dc\u30a2\u30ab\u30e9\u30e0\u3092\u63a1\u7528\u3057\u305f\u4eca\u56de\u306e\u6761\u4ef6\u3067\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u9ad8\u901f\u5316\u306b\u3082\u304b\u304b\u308f\u3089\u305a\u3001\u65e9\u671f\u306b\u6eb6\u51fa\u3059\u308b\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u7531\u6765\u6210\u5206\u304c\u76ee\u7684\u6210\u5206\u3068\u826f\u597d\u306b\u5206\u96e2\u3055\u308c\u307e\u3057\u305f\u3002\u30b5\u30f3\u30d7\u30eb\u524d\u51e6\u7406\u306b\u306f\u3001Resprep\u30dd\u30ea\u30de\u30fcSPE\u30ab\u30fc\u30c8\u30ea\u30c3\u30b8\u3092\u4f7f\u7528\u3057\u3001\u975e\u5e38\u306b\u30af\u30ea\u30fc\u30f3\u306a\u62bd\u51fa\u6db2\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u7531\u6765\u306e\u5e72\u6e09\u30ea\u30b9\u30af\u304c\u3055\u3089\u306b\u4f4e\u6e1b\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u30ab\u30e9\u30e0\u5185\u5f84\u304cDraft Method\u3067\u63a8\u5968\u3055\u308c\u3066\u3044\u308b\u3082\u306e\u3088\u308a\u5c0f\u3055\u3044\u305f\u3081\u3001\u6ce8\u5165\u91cf\u309220 \u00b5L\u304b\u30893 \u00b5L\u306b\u5909\u66f4\u3057\u307e\u3057\u305f\u3002\u6ce8\u5165\u91cf\u306e\u4f4e\u6e1b\u306b\u3088\u3063\u3066\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u5206\u6790\u30ab\u30e9\u30e0\u3078\u306e\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u6d41\u5165\u91cf\u306e\u4f4e\u6e1b \u2192 \u5206\u6790\u7d50\u679c\u306e\u5b89\u5b9a\u5316<\/li>\n\n\n\n<li>\u30ab\u30e9\u30e0\u5bff\u547d\u306e\u5ef6\u9577<\/li>\n\n\n\n<li>\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u52b9\u679c\u306e\u4f4e\u6e1b<\/li>\n\n\n\n<li>\u518d\u5206\u6790\u306b\u5099\u3048\u305f\u30b5\u30f3\u30d7\u30eb\u78ba\u4fdd\u306e\u5bb9\u6613\u5316<\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">\u6eb6\u5a92\u306e\u9078\u5b9a\u3067\u5909\u308f\u308b\u30d4\u30fc\u30af\u5f62\u72b6<\/h4>\n\n\n\n<p>\u6709\u6a5f\u7cfb\u79fb\u52d5\u76f8\uff08\u6eb6\u5a92\uff09\u3068\u3057\u3066\u30e1\u30bf\u30ce\u30fc\u30eb\u3068\u30a2\u30bb\u30c8\u30cb\u30c8\u30ea\u30eb\uff08\u53cc\u65b9\u3068\u30820.1%\u30ae\u9178\u542b\u6709\uff09\u3092\u4f7f\u7528\u3057\u3001\u5206\u6790\u7d50\u679c\u3092\u6bd4\u8f03\u3057\u307e\u3057\u305f\u3002\u3044\u305a\u308c\u306e\u6eb6\u5a92\u306b\u304a\u3044\u3066\u3082\u7d50\u679c\u306f\u8a31\u5bb9\u7bc4\u56f2\u5185\u3067\u3057\u305f\u304c\u3001\u611f\u5ea6\u5411\u4e0a\u3068\u30d4\u30fc\u30af\u5f62\u72b6\u306e\u6539\u5584\u304c\u898b\u308c\u3089\u305f\u306e\u306f\u30a2\u30bb\u30c8\u30cb\u30c8\u30ea\u30eb\u3067\u3057\u305f\u3002\u30a2\u30bb\u30c8\u30cb\u30c8\u30ea\u30eb\u306f\u3001\u30b5\u30f3\u30d7\u30eb\u5e0c\u91c8\u6db2\u3068\u3057\u3066\u4f7f\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u79fb\u52d5\u76f8\u306e\u6709\u6a5f\u6eb6\u5a92\u306b\u540c\u3058\u6eb6\u5a92\u3092\u63a1\u7528\u3057\u305f\u3053\u3068\u3067\u3001\u6eb6\u5a92\u30df\u30b9\u30de\u30c3\u30c1\u304c\u6291\u3048\u3089\u308c\u305f\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u3057\u305f\u304c\u3063\u3066\u3001\u30a2\u30bb\u30c8\u30cb\u30c8\u30ea\u30eb\u3092\u79fb\u52d5\u76f8\u6eb6\u5a92\u3068\u3057\u3066\u9078\u629e\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e92\u63db\u6027\u306e\u9ad8\u3044\u30b0\u30e9\u30b8\u30a8\u30f3\u30c8\u6761\u4ef6<\/h4>\n\n\n\n<p>\u3053\u306e\u5b9f\u9a13\u3067\u306f\u30ab\u30e9\u30e0\u306e\u5185\u5f84\u3092\u5c0f\u3055\u304f\u3057\u305f\u305f\u3081\u3001Draft Method 1634\u63a8\u5968\u306e\u6eb6\u51fa\u30b0\u30e9\u30b8\u30a8\u30f3\u30c8\u6761\u4ef6\u3082\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\u3002\u6700\u9069\u5316\u3055\u308c\u305f\u30ab\u30e9\u30e0\u304a\u3088\u3073\u30b0\u30e9\u30b8\u30a8\u30f3\u30c8\u6761\u4ef6\u306b\u3088\u308a\u30016PPD-\u30ad\u30ce\u30f3\u306f\u5341\u5206\u306b\u4fdd\u6301\u3055\u308c\u3001\u65e9\u671f\u306b\u6eb6\u51fa\u3059\u308b\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u7531\u6765\u5316\u5408\u7269\u304b\u3089\u826f\u597d\u306b\u5206\u96e2\u3055\u308c\u307e\u3057\u305f\u30026PPD-\u30ad\u30ce\u30f3\u306e\u30d4\u30fc\u30af\u691c\u51fa\u5f8c\u30013\u301c4\u5206\u9593\u3001\u79fb\u52d5\u76f8B\u3092100%\u3068\u3059\u308b\u6761\u4ef6\u3067\u6d17\u6d44\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u3053\u308c\u306b\u3088\u308a\u30ab\u30e9\u30e0\u5185\u306b\u30b3\u30f3\u30bf\u30df\u30cd\u30fc\u30b7\u30e7\u30f3\u304c\u6b8b\u308b\u3053\u3068\u306a\u304f\u3001\u30ad\u30e3\u30ea\u30fc\u30aa\u30fc\u30d0\u30fc\u3092\u9632\u6b62\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u3001\u30b0\u30e9\u30b8\u30a8\u30f3\u30c8\u3092\u521d\u671f\u6761\u4ef6\u306b\u623b\u3057\u3001\u6b21\u306e\u30b5\u30f3\u30d7\u30eb\u5206\u6790\u306b\u5099\u3048\u3066\u30ab\u30e9\u30e0\u304c\u5341\u5206\u306b\u518d\u5e73\u8861\u5316\u3055\u308c\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u305f\u3002\u672c\u30e1\u30bd\u30c3\u30c9\u306e\u6700\u5927\u80cc\u5727\u306f220 bar\u3067\u3042\u308a\u3001HPLC\u304a\u3088\u3073UHPLC\u30b7\u30b9\u30c6\u30e0\u306e\u3044\u305a\u308c\u306b\u3082\u9069\u7528\u53ef\u80fd\u3067\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 2:<\/strong>\u00a0\u6700\u9069\u5316\u3055\u308c\u305fLC-MS\/MS\u6761\u4ef6\u3067\u5206\u6790\u3057\u305f\u6d41\u51fa\u6c34\u30b5\u30f3\u30d7\u30eb\u4e2d\u306e6PPD-\u30ad\u30ce\u30f3\u5206\u6790\u7d50\u679c\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 regular-image\"><img decoding=\"async\" src=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ev0600.png\" alt=\"6PPD-Quinone in Runoff Water on Raptor C18 by LC-MS\/MS\" title=\"-\"><\/div><p class=\"article-id\" style=\"text-align:center\"> LC_EV0600<\/p><div class=\"chromatogram-pdf-link\"><a href=\"https:\/\/ez.restek.com\/images\/cgram\/lc_ev0600.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<h3 class=\"wp-block-heading\">\u76f4\u7dda\u6027<\/h3>\n\n\n\n<p>\u6700\u9069\u5316\u30e1\u30bd\u30c3\u30c9\u3067\u306f\u30010.025\uff5e10 ng\/mL\u306e\u691c\u91cf\u7dda\u7bc4\u56f2\u3067\u306e\u512a\u308c\u305f\u76f4\u7dda\u6027\uff08\u76f8\u5bfe\u6a19\u6e96\u8aa4\u5dee\uff08%RSE\uff093.77%\uff09\u3067\u3059\uff08<strong>Figure 3<\/strong>\u53c2\u7167\uff09\u304c\u793a\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u30e1\u30bd\u30c3\u30c9\u304c\u898f\u5b9a\u3057\u3066\u3044\u308b20%\u672a\u6e80\u3092\u5341\u5206\u306b\u6e80\u305f\u3057\u3066\u3044\u307e\u3057\u305f\u3002\u3053\u306e\u5b9f\u9a13\u306b\u304a\u3044\u3066\u76f4\u7dda\u6027\u306e\u8a55\u4fa1\u306b\u3001r\u00b2\u306e\u4ee3\u308f\u308a\u306b RSE\u3092\u8a55\u4fa1\u6307\u6a19\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306f\u3001Draft Method 1634 \u306b\u304a\u3044\u3066\u6b21\u306e\u3088\u3046\u306a\u8a18\u8f09\u304c\u3042\u308b\u305f\u3081\u3067\u3059\uff1a\u300c\u76f8\u95a2\u4fc2\u6570 r \u304a\u3088\u3073\u6c7a\u5b9a\u4fc2\u6570 r\u00b2 \u306f\u76f4\u7dda\u6027\u306e\u9069\u5207\u306a\u8a55\u4fa1\u6307\u6a19\u3068\u306f\u307f\u306a\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u672c\u6cd5\u3067\u306f\u4f7f\u7528\u3057\u3066\u306f\u306a\u3089\u306a\u3044\u3002\u300d<\/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> \u691c\u91cf\u7dda\uff082\u6b211\/X\u30d5\u30a3\u30c3\u30c8\uff1b\u7121\u89960\uff09<\/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=\"600\" src=\"https:\/\/discover.restek.com\/wp-content\/uploads\/\/figure-article-evan4446-03-JPsuzu-1024x600.png\" alt=\"\" class=\"wp-image-64368\" title=\"-\" srcset=\"https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-evan4446-03-JPsuzu-1024x600.png 1024w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-evan4446-03-JPsuzu-300x176.png 300w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-evan4446-03-JPsuzu-768x450.png 768w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-evan4446-03-JPsuzu-1536x900.png 1536w, https:\/\/discover.restek.com\/wp-content\/uploads\/figure-article-evan4446-03-JPsuzu.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<h3 class=\"wp-block-heading\">\u521d\u671f\u7cbe\u5ea6\u304a\u3088\u3073\u56de\u53ce\u7387\uff08IPR\uff09<\/h3>\n\n\n\n<p>IPR\uff08\u521d\u671f\u7cbe\u5ea6\u304a\u3088\u3073\u56de\u53ce\u7387\uff09\u8a55\u4fa1\u3092\u3059\u308b\u305f\u3081\u306b\u300140 ng\/L\u306e\u30b9\u30d1\u30a4\u30af\u30b5\u30f3\u30d7\u30eb\uff08n=4\uff09\u3092\u5206\u6790\u3057\u3001\u7cbe\u5ea6\u3068\u518d\u73fe\u6027\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\uff08<strong>Table IV<\/strong>\u53c2\u7167\uff09\u3002\u5e73\u5747\u56de\u53ce\u7387\u306f95%\u3067\u3001\u76f8\u5bfe\u6a19\u6e96\u504f\u5dee\uff08%RSD\uff09\u306f4.00\uff05\u3067\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u7d50\u679c\u3088\u308a\u3001Draft Method 1634\u306e\u898f\u5b9a\uff08\u56de\u53ce\u7387: 70\uff5e130\uff05\u306e\u7bc4\u56f2\u5185\u3001%RSD:20\uff05\u672a\u6e80\uff09\u3092\u5341\u5206\u6e80\u305f\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u793a\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p><strong>Table IV:<\/strong> IPR\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30c7\u30fc\u30bf (40 ng\/L spike [n = 4])&nbsp;<\/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>Sample #<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Recovery (ng\/L)<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Recovery (%)<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">1<\/td><td class=\"has-text-align-left\" data-align=\"left\">40.1<\/td><td class=\"has-text-align-left\" data-align=\"left\">100%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">2<\/td><td class=\"has-text-align-left\" data-align=\"left\">38.3<\/td><td class=\"has-text-align-left\" data-align=\"left\">95.80%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">3<\/td><td class=\"has-text-align-left\" data-align=\"left\">35.8<\/td><td class=\"has-text-align-left\" data-align=\"left\">89.50%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">4<\/td><td class=\"has-text-align-left\" data-align=\"left\">37.8<\/td><td class=\"has-text-align-left\" data-align=\"left\">94.50%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u30e1\u30bd\u30c3\u30c9\u691c\u51fa\u9650\u754c\uff08MDL\uff09\u304a\u3088\u3073\u5b9a\u91cf\u9650\u754c\uff08ML\uff09<\/h3>\n\n\n\n<p>&nbsp;\u958b\u767a\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u306eMDL\u3068ML\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u3001Draft Method\u306b\u5f93\u3044\u30013\u65e5\u9593\u306b\u308f\u305f\u3063\u3066\u8907\u88fd\u30b5\u30f3\u30d7\u30eb\u30926\u56de\u306b\u5206\u3051\u3066\u62bd\u51fa\u3057\u307e\u3057\u305f\u3002\u30b9\u30d1\u30a4\u30af\u30b5\u30f3\u30d7\u30eb\u3068\u30d6\u30e9\u30f3\u30af\u30b5\u30f3\u30d7\u30eb\u306e\u7d50\u679c\u304b\u3089\u5f97\u3089\u308c\u305f\u6a19\u6e96\u504f\u5dee\u306bStudent\u306et\u50243.143\u3092\u4e57\u3058\u3001\u305d\u308c\u305e\u308c\u306e\u7d50\u679c\u3092\u7b97\u51fa\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u3089\u306e\u3046\u3061\u3001\u3088\u308a\u5927\u304d\u3044\u65b9\u306e\u5024\u3092 MDL \u3068\u3057\u3066\u63a1\u7528\u3057\u307e\u3057\u305f\u3002Draft Method 1634, Section 0.2\u306b\u306f\u300cML\u306fMDL\uff08\u30d7\u30fc\u30eb\u3055\u308c\u3066\u3044\u308b\u304b\u5426\u304b\u306b\u5fdc\u3058\u3066\u3001\u9069\u5207\u306a\u65b9\uff09\u306b3.18\u3092\u4e57\u3058\u3001\u305d\u306e\u7d50\u679c\u30921\u30012\u3001\u307e\u305f\u306f5\u00d710\u207f\uff08n\u306f0\u307e\u305f\u306f\u6574\u6570\uff09\u306e\u3044\u305a\u308c\u304b\u306b\u6700\u3082\u8fd1\u3044\u5024\u306b\u56db\u6368\u4e94\u5165\u3057\u3066\u6c7a\u5b9a\u3059\u308b[1]\u300d\u3068\u8a18\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u5f93\u3063\u3066\u3001\u4eca\u56de\u306e\u5b9f\u9a13\u3067\u306fMDL\uff08\u975e\u30d7\u30fc\u30eb\uff09\u304c0.285 ng\/L\u3067\u3042\u3063\u305f\u306e\u3067\u3001ML\u30921 ng\/L\u3068\u3057\u307e\u3057\u305f\uff08<strong>Table V<\/strong>\u53c2\u7167\uff09\u3002<\/p>\n\n\n\n<p><strong>Table V:<\/strong>&nbsp; \u8131\u30a4\u30aa\u30f3\u6c34\u4e2d6-PPD-\u30ad\u30ce\u30f3\u306eMDL\u5024\u3068ML\u5024<\/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>MDL (ng\/L)<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>ML (ng\/L)<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">0.285<\/td><td class=\"has-text-align-left\" data-align=\"left\">1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u62bd\u51fa\u5185\u90e8\u6a19\u6e96\uff08EIS\uff09\u304a\u3088\u3073\u672a\u62bd\u51fa\u5185\u90e8\u6a19\u6e96\uff08NIS\uff09<\/h3>\n\n\n\n<p>EIS\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u3068NIS\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u306e\u5e73\u5747\u56de\u53ce\u7387\u3068\u6a19\u6e96\u504f\u5dee\uff08RSD\uff09\u306f<strong>Table V<\/strong>\u306b\u793a\u3059\u901a\u308a\u3067\u3057\u305f\u3002\u3044\u305a\u308c\u3092\u4f7f\u7528\u3057\u305f\u5834\u5408\u3067\u3082\u826f\u597d\u306a\u56de\u53ce\u7387\u3068\u4f4e\u3044RSD\u304c\u793a\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u7cbe\u5ea6\u306f\u826f\u597d\u3067\u3042\u308b\u3068\u8a00\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p><strong>Table VI:<\/strong> \u5185\u90e8\u6a19\u6e96\u30bf\u30a4\u30d7\u5225\u56de\u53ce\u7387 (n = 17)&nbsp;&nbsp;<\/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>Compound<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>Avg. % Recovery<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>%RSD<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">EIS<\/td><td class=\"has-text-align-left\" data-align=\"left\">82.2%<\/td><td class=\"has-text-align-left\" data-align=\"left\">5.6%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">NIS<\/td><td class=\"has-text-align-left\" data-align=\"left\">117.8%<\/td><td class=\"has-text-align-left\" data-align=\"left\">1.9%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u6d41\u51fa\u6c34<\/h3>\n\n\n\n<p><strong>Table VII<\/strong>\u306b\u793a\u3059\u30c7\u30fc\u30bf\u304b\u3089\u5206\u304b\u308b\u3088\u3046\u306b\u3001\u6dfb\u52a0\u8131\u30a4\u30aa\u30f3\u6c34\u3068\u6d41\u51fa\u6c34\u306e\u56de\u53ce\u7387\u306f\u30e1\u30bd\u30c3\u30c9\u304c\u898f\u5b9a\u3059\u308b\u7bc4\u56f2\u5185\uff0870\uff5e130\uff05\uff09\u306b\u3042\u308a\u307e\u3059\u3002\u307e\u305f\u3001\u975e\u6dfb\u52a0\u6d41\u51fa\u6c34\u306b\u304a\u3051\u308b6PPD-\u30ad\u30ce\u30f3\u306e\u30ec\u30b9\u30dd\u30f3\u30b9\u306f\u3001\u975e\u6dfb\u52a0\u8131\u30a4\u30aa\u30f3\u6c34\u306b\u6bd4\u3079\u3066\u7d0430\uff05\u9ad8\u3044\u3067\u3059\u3002\u3053\u308c\u306f\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u30b5\u30f3\u30d7\u30eb\u304c\u63a1\u53d6\u3055\u308c\u305f\u5834\u6240\u306b6PPD-\u30ad\u30ce\u30f3\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u3082\u306e\u306e\u3001\u305d\u306e\u6fc3\u5ea6\u306f\u5b9a\u91cf\u9650\u754c\u4ee5\u4e0b\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong>Table VII:<\/strong> \u30de\u30c8\u30ea\u30c3\u30af\u30b9\u5225\u56de\u53ce\u7387 (40 ng\/L spike)&nbsp; &nbsp;<\/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>\u30de\u30c8\u30ea\u30c3\u30af\u30b9<\/strong><\/th><th class=\"has-text-align-left\" data-align=\"left\"><strong>%Recovery<\/strong><\/th><\/tr><\/thead><tbody><tr><td class=\"has-text-align-left\" data-align=\"left\">\u8131\u30a4\u30aa\u30f3\u6c34<\/td><td class=\"has-text-align-left\" data-align=\"left\">100.70%<\/td><\/tr><tr><td class=\"has-text-align-left\" data-align=\"left\">\u6d41\u51fa\u6c34<\/td><td class=\"has-text-align-left\" data-align=\"left\">95.50%<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u7d50\u8ad6&nbsp;<\/h2>\n\n\n\n<p>EPA Draft Method 1634\u3067\u306f\u3001\u4e3b\u306b\u96e8\u6c34\u3084\u8868\u5c64\u6c34\u306a\u3069\u306e\u6c34\u7cfb\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u4e2d\u306b\u542b\u307e\u308c\u308b6PPD-\u30ad\u30ce\u30f3\u3092\u3001LC\/MS\/MS\u306b\u3088\u3063\u3066\u5206\u6790\u3059\u308b\u305f\u3081\u306e\u6027\u80fd\u57fa\u6e96\u3092\u5b9a\u3081\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306f\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30d9\u30fc\u30b9\u3067\u3042\u308b\u305f\u3081\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u9650\u308a\u624b\u9806\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u3053\u306e\u5b9f\u9a13\u306e\u76ee\u7684\u306f\u3001\u6700\u9069\u5316\u3055\u308c\u305fLC-MS\/MS\u30e1\u30bd\u30c3\u30c9\u3092\u78ba\u7acb\u3057\u3066\u3001\u5206\u6790\u6642\u9593\u77ed\u7e2e\u3001\u30b5\u30f3\u30d7\u30eb\u30b9\u30eb\u30fc\u30d7\u30c3\u30c8\u5411\u4e0a\u3092\u5b9f\u73fe\u3059\u308b\u4e8b\u3067\u3057\u305f\u3002\u305d\u3053\u3067\u3001EPA Draft Method 1634\u306b\u5247\u308a\u3001Dionex AutoTrace 280 PFAS\u30b7\u30b9\u30c6\u30e0\u3092\u7528\u3044\u3066\u524d\u51e6\u7406\u3068\u62bd\u51fa\u3092\u884c\u3063\u305f\u5f8c\u306b\u3001\u6700\u9069\u5316\u3055\u308c\u305fLC-MS\/MS\u30e1\u30bd\u30c3\u30c9\u3092\u7528\u3044\u3066\u5206\u6790\u3092\u5b9f\u65bd\u3057\u305f\u3068\u3053\u308d\u3001\u4ee5\u4e0b\u306e\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u691c\u91cf\u7dda\u7bc4\u56f2: 0.025\u301c10 ng\/mL<\/li>\n\n\n\n<li>\u76f8\u5bfe\u6a19\u6e96\u8aa4\u5dee\uff08%RSE\uff09: 3.77%<\/li>\n\n\n\n<li>13C6-PPD-\u30ad\u30ce\u30f3\uff08EIS\uff09n=17\u306e\u5e73\u5747\u56de\u53ce\u7387:82.2%<\/li>\n\n\n\n<li>\u76f8\u5bfe\u6a19\u6e96\u504f\u5dee\uff08RSD\uff09: 5.6%<\/li>\n\n\n\n<li>D5-6-PPD-\u30ad\u30ce\u30f3\uff08NIS\uff09\u306e\u5e73\u5747\u56de\u53ce\u7387: 117.8%<\/li>\n\n\n\n<li>\u76f8\u5bfe\u6a19\u6e96\u504f\u5dee\uff08RSD\uff09: 1.9%<\/li>\n\n\n\n<li>\u30e1\u30bd\u30c3\u30c9\u691c\u51fa\u9650\u754c\uff08MDL\uff09: 0.285 ng\/L<\/li>\n\n\n\n<li>\u5b9a\u91cf\u9650\u754c\uff08ML\uff09: 1 ng\/L &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; <strong>\u3053\u308c\u3089\u306e\u6570\u5024\u304c\u793a\u3059\u306e\u306f\u3001\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u306e\u5b89\u5b9a\u3057\u305f\u6027\u80fd\u3067\u3059\u3002<\/strong><\/li>\n<\/ul>\n\n\n\n<p>40 ng\/L\u306eIPR\u30b9\u30d1\u30a4\u30af\u30ec\u30d9\u30eb\u3067\u306f\u3001\u5e73\u5747\u56de\u53ce\u738795.0%\u3001\u76f8\u5bfe\u6a19\u6e96\u504f\u5dee\uff08RSD\uff094.0%\u3068\u3044\u3046\u826f\u597d\u306a\u7d50\u679c\u304c\u5f97\u3089\u308c\u307e\u3057\u305f\u3002\u6fc3\u5ea640 ng\/L\u306e\u30de\u30c8\u30ea\u30c3\u30af\u30b9\u30b5\u30f3\u30d7\u30eb\u306e\u56de\u53ce\u7387\u306f95.5%\u3067\u3001\u8131\u30a4\u30aa\u30f3\u6c34\u30b5\u30f3\u30d7\u30eb\u306e\u56de\u53ce\u7387\u306f100.7%\u3068\u3001\u30e1\u30bd\u30c3\u30c9\u306e\u898f\u5b9a\u3092\u5341\u5206\u306b\u6e80\u305f\u3057\u3066\u3044\u307e\u3059\u3002\u52a0\u3048\u3066\u3001\u6700\u9069\u5316\u3055\u308c\u305fHPLC\u30e1\u30bd\u30c3\u30c9\u306b\u3088\u308a\u5206\u6790\u7dcf\u6642\u9593\u306f10\u5206\u304b\u30895.5\u5206\u306b\u304a\u3088\u305d\u534a\u6e1b\u3057\u30016PPD-\u30ad\u30ce\u30f3\u306e\u6eb6\u51fa\u6642\u9593\u306f7.5\u5206\u304b\u30891.9\u5206\u3068\u5927\u5e45\u306b\u77ed\u7e2e\u3055\u308c\u307e\u3057\u305f\u3002\u6ce8\u5165\u91cf\u3092\u6e1b\u3089\u3057\u3064\u3064\u80cc\u5727\u306f\u4f4e\u3044\u307e\u307e\u306a\u306e\u3067\u3001HPLC\u304a\u3088\u3073UHPLC\u306e\u4e21\u30b7\u30b9\u30c6\u30e0\u3067\u554f\u984c\u306a\u304f\u904b\u7528\u53ef\u80fd\u3067\u3059\u3002<br>\u3053\u306e\u3088\u3046\u306b\u3001\u672c\u7814\u7a76\u3067\u958b\u767a\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u306f\u3001\u9ad8\u901f\u304b\u3064\u9ad8\u611f\u5ea6\u306b6PPD-\u30ad\u30ce\u30f3\u3092\u5b9a\u91cf\u3067\u304d\u3001\u74b0\u5883\u8a66\u6599\u306e\u52b9\u7387\u7684\u306a\u5206\u6790\u306b\u8ca2\u732e\u3059\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8b1d\u8f9e<\/h2>\n\n\n\n<p>\u672c\u691c\u8a0e\u306b\u304a\u3051\u308b\u8ca2\u732e\u306b\u5bfe\u3057\u3001Grayson Ritch \u6c0f\u3001Diego L\u00f3pez \u6c0f\u3001\u304a\u3088\u3073 Colton Myers \u6c0f\u306b\u611f\u8b1d\u3044\u305f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u53c2\u8003\u6587\u732e<\/h2>\n\n\n\n<p>1. &nbsp; &nbsp;U.S. Environmental Protection Agency, Draft Method 1634, Determination of 6PPD-quinone in aqueous matrices using liquid chromatography with tandem mass spectrometry (LC MS\/MS), December 2023. <a href=\"https:\/\/www.epa.gov\/system\/files\/documents\/2025-02\/draft-method-1634_1-24-24_508.pdf\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.epa.gov\/system\/files\/documents\/2025-02\/draft-method-1634_1-24-24_508.pdf<\/a><\/p>\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\/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\/9304A0252\">                                Catalog No. 9304A0252                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Raptor C18 EXP Guard Column Cartridge, 2.7 \u00b5m, 5 x 2.1 mm, 3-pk.<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/9304A0252\">\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\/25808\">                                Catalog No. 25808                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">EXP Direct Connect Holder for EXP Guard Cartridges, Includes Fitting &amp; Ferrules<\/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\/25808\">\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\/28264\">                                Catalog No. 28264                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Resprep \u30dd\u30ea\u30de\u30fcSPE \u30ab\u30fc\u30c8\u30ea\u30c3\u30b8, HLB, 60 \u00b5m, 6 mL\/200 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\/28264\">\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\/23243\">                                Catalog No. 23243                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Limited-Volume Screw-Thread Polypropylene Vials, 9 mm, 700 \u00b5L, 12 x 32 mm, 100-pk.<\/div>\n                        <\/div>\n                        <div class=\"cpb-col cpb-col--right\">\n                                                            <a class=\"cpb-view-btn\" target=\"_blank\" rel=\"noopener noreferrer\" href=\"https:\/\/www.restek.com\/p\/23243\">\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\/24486\">                                Catalog No. 24486                            <\/a>                        <\/div>\n                        <div class=\"cpb-col cpb-col--middle\">\n                            <div class=\"cpb-title\">Short Screw Caps, Polypropylene, Screw-Thread, PTFE\/Silicone Septa, Blue, Preassembled, 2.0 mL, 9 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\/24486\">\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>Draft EPA Method 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