{"id":3912,"date":"2025-09-09T11:13:25","date_gmt":"2025-09-09T03:13:25","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=3912"},"modified":"2025-09-09T11:13:25","modified_gmt":"2025-09-09T03:13:25","slug":"determination-of-chromium-in-wheel-hub-surface-paint-flame-atomic-absorption-spectrometry","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/ko\/applications\/determination-of-chromium-in-wheel-hub-surface-paint-flame-atomic-absorption-spectrometry","title":{"rendered":"\ubc14\ubc14\ubc14\ubc14\ubc14\ubc14\ubc14\ubc14"},"content":{"rendered":"<h2 class=\"header-vfC6AV auto-hide-last-sibling-br\">1. \ubc29\ubc95 \uac1c\uc694<\/h2>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">\ub9c8\uc774\ud06c\ub85c\ud30c \uc18c\ud654\ub294 \ucc44\ud0dd\ub418\uace0 \ud06c\ub86c\uc758 \ub18d\ub3c4\ub294 357.9 nm\uc758 \ud30c\uc7a5\uc5d0\uc11c \ubd88\uaf43 \uc6d0\uc790 \ud761\uc218 \ubd84\uad11\uacc4\ub85c \uacb0\uc815\ub429\ub2c8\ub2e4.<\/div>\n<div>\n<h2 class=\"header-vfC6AV auto-hide-last-sibling-br\">2. \uae30\uae30 \ubc0f \uc2dc\uc57d<\/h2>\n<h3 class=\"header-vfC6AV auto-hide-last-sibling-br\">2.1 \uae30\uae30 \ubc0f \uc7a5\ube44<\/h3>\n<h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">2.1.1 \uc2dc\ud5d8 \uae30\uae30<\/h4>\n<div class=\"auto-hide-last-sibling-br mdbox-table-root table-container-GhL7Lo\" data-scroll-inline-overflow=\"true\" data-scroll-inline-at-start=\"true\" data-scroll-inline-start-overflow=\"false\" data-scroll-inline-at-end=\"false\" data-scroll-inline-end-overflow=\"true\">\n<div class=\"table-scroll-container-hgHkfW mdbox-table-scroll-container\">\n<table>\n<thead>\n<tr>\n<th>\uc774\ub984<\/th>\n<th>\uc218\ub7c9<\/th>\n<th>\uae30\uc220\uc801 \uc694\uad6c \uc0ac\ud56d<\/th>\n<th>\ubd80\uc18d\ud488<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ub9c8\uc774\ud06c\ub85c\uc6e8\uc774\ube0c \uc18c\ud654 \uc2dc\uc2a4\ud15c<\/td>\n<td>1 \uc138\ud2b8<\/td>\n<td>\ud50c\ub798\ud2f0\ud50c \uc800\ud56d \ubc0f \uc801\uc678\uc120 \uc628\ub3c4 \uce21\uc815 \uc7a5\ube44;\uc628\ub3c4 \uc81c\uc5b4 \uc815\ud655\ub3c4: \u00b10.1\u2103<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>\uc628\ub3c4 \uc81c\uc5b4 \ub728\uac70\uc6b4 \ud310<\/td>\n<td>1 \uc138\ud2b8<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>\uc804\uc790 \uade0\ud615<\/td>\n<td>1 \uc138\ud2b8<\/td>\n<td>\uac10\ub3c4: 0.1 mg<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">2.1.2 \uc0d8\ud50c \uc0ac\uc804 \ucc98\ub9ac \uc7a5\ube44<\/h4>\n<div class=\"auto-hide-last-sibling-br mdbox-table-root table-container-GhL7Lo\" data-scroll-inline-overflow=\"false\" data-scroll-inline-at-start=\"true\" data-scroll-inline-start-overflow=\"false\" data-scroll-inline-at-end=\"true\" data-scroll-inline-end-overflow=\"false\">\n<div class=\"table-scroll-container-hgHkfW mdbox-table-scroll-container\">\n<table>\n<thead>\n<tr>\n<th>\uc2dc\ub9ac\uc5bc \ubc88\ud638<\/th>\n<th>\uc774\ub984<\/th>\n<th>\uc218\ub7c9<\/th>\n<th>\uae30\uc220\uc801 \uc694\uad6c \uc0ac\ud56d<\/th>\n<th>\ubd80\uc18d\ud488<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\uc628\ub3c4 \uc81c\uc5b4 \ub728\uac70\uc6b4 \ud310<\/td>\n<td>1 \uc138\ud2b8<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>&#8211;<\/td>\n<td>\ubcfc\ub968 \ud50c\ub77c\uc2a4\ud06c;Colorimetric \uad00<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h3 class=\"header-vfC6AV auto-hide-last-sibling-br\">2.2 \uc2dc\uc57d<\/h3>\n<h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">2.2.1 \uc6d0\ub8cc<\/h4>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">(\uc544\ub798 \uc900\ube44\ub41c \uc2dc\uc57d\uc744 \uc81c\uc678\ud558\uace0 \uc6d0\ubcf8 \ubb38\uc11c\uc5d0 \ub098\uc5f4\ub41c \ud2b9\uc815 \uc6d0\ub8cc\ub294 \uc5c6\uc2b5\ub2c8\ub2e4.)<\/div>\n<h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">2.2.2 \uc900\ube44\ub41c \uc2dc\uc57d<\/h4>\n<div class=\"auto-hide-last-sibling-br mdbox-table-root table-container-GhL7Lo\" data-scroll-inline-overflow=\"false\" data-scroll-inline-at-start=\"true\" data-scroll-inline-start-overflow=\"false\" data-scroll-inline-at-end=\"true\" data-scroll-inline-end-overflow=\"false\">\n<div class=\"table-scroll-container-hgHkfW mdbox-table-scroll-container\">\n<table>\n<thead>\n<tr>\n<th>\uc774\ub984<\/th>\n<th>\uc900\ube44 \ubc29\ubc95<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\uc9c8\uc18c\uc0b0 \uc194\ub8e8\uc158 (1 99)<\/td>\n<td>10 mL\uc758 \uc9c8\uc18c\uc0b0\uc744 \uce21\uc815\ud558\uace0 990 mL\uc758 \ube44\uc774\uc628\ud654 \ubb3c\uc5d0 \ucc9c\ucc9c\ud788 \ucd94\uac00\ud558\uace0 \uc798 \ud63c\ud569\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uc0b0\ud654 \uc554\ubaa8\uc5fc \uc194\ub8e8\uc158 (40 g\/L)<\/td>\n<td>\uc5fc\ud654 \uc554\ubaa8\ub2c8\uc6c0 4g\ub97c \ubb34\uac8c\ud558\uace0, \uc774\uc628\ud654\ub41c \ubb3c\uc5d0 \uc6a9\ud574\ud558\uace0 \uc798 \ud63c\ud569\ud558\uc2ed\uc2dc\uc624.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h3 class=\"header-vfC6AV auto-hide-last-sibling-br\">2.3 \ucc38\uc870 \ud45c\uc900<\/h3>\n<h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">2.3.1 \uc8fc\uc2dd \uc194\ub8e8\uc158<\/h4>\n<div class=\"auto-hide-last-sibling-br mdbox-table-root table-container-GhL7Lo\" data-scroll-inline-overflow=\"true\" data-scroll-inline-at-start=\"true\" data-scroll-inline-start-overflow=\"false\" data-scroll-inline-at-end=\"false\" data-scroll-inline-end-overflow=\"true\">\n<div class=\"table-scroll-container-hgHkfW mdbox-table-scroll-container\">\n<table>\n<thead>\n<tr>\n<th>\uc2dc\ub9ac\uc5bc \ubc88\ud638<\/th>\n<th>\uc774\ub984<\/th>\n<th>\uae30\uc220\uc801 \uc694\uad6c \uc0ac\ud56d<\/th>\n<th>\ubc1c\uc5b8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\uad6d\uac00 \uc561\uccb4 \ucc38\uc870 \ubb3c\uc790 &#8211;\ud06c\ub86c<\/td>\n<td>GSB 04-1723-2004 (a);\ub18d\ub3c4: 1000 \u03bcg\/mL<\/td>\n<td>National Center for Analysis and Testing of Nonferrous Metals and Electronic Materials\uc5d0\uc11c \uc81c\uacf5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2 class=\"header-vfC6AV auto-hide-last-sibling-br\">3. \uc6b4\uc601 \uc808\ucc28<\/h2>\n<h3 class=\"header-vfC6AV auto-hide-last-sibling-br\">3.1 \ud45c\ubcf8 \uc900\ube44<\/h3>\n<h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">3.1.1 \ud14c\uc2a4\ud2b8 \uc194\ub8e8\uc158 \uc900\ube44<\/h4>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">\uc0d8\ud50c \uc0ac\uc804 \ucc98\ub9ac: \uc815\ud654 \ub41c \ubb3c\ub85c \uc790\ub3d9\ucc28 \ud45c\ud45c\uba74 \ud45c\ud45c\uba74 \ud45c\uba74 \ud45c\uba74 \uc0c1\ub2e8 \ucf54\ud2b8, \ucf54\ud305 \ud398\uc778\ud2b8 \ubc0f \uc2a4\ud06c\ub808\uc774\ud37c\ub85c \ud504\ub77c\uc774\uba38\ub97c \ud45c\ud45c\ud45c\uba74 \uc0c1\ub2e8 \ucf54\ud2b8, \ucf54\ud305 \ud398\uc778\ud2b8 \ubc0f \ud504\ub77c\uc774\uba38\ub97c \uccad\uc18c\ud558\uace0 \uac74\uc870\ud558\uc2ed\uc2dc\uc624.\uc0d8\ud50c\uc758 0.2g\ub97c (\uc804\uc790 \uade0\ud615\uc5d0) \ud3f4\ub9ac\ud14c\ud2b8\ub77c\ud50c\ub8e8\uc624\uc5d0\ud2f8\ub80c (PTFE) \uc18c\ud654 \uc18c\uc18c\uc18c\ud1b5 \uc18c\uc18c\uc18c\ud654 0 0.2g\ub97c \ud3f4\ub9ac\ud14c\ud2b8\ub77c\ud50c\ub8e8\uc624\ub85c\uc5d0\ud2f8\ub80c \uc5d0\ud2f8\ub80c (PTFE) \uc18c\ud654 \uc18c\ud654 0.2g\ub97c \ud3ec\ud568\ud558\uc5ec \uc9c8\uc18c\uc0b0 7mL\uacfc \uacfc\uc0b0\ud654\uc218\uc18c 2mL\uc744 \ucd94\uac00\ud558\uace0 \uc18c\ud654 \uc18c\ud654 \uc18c\ud1b5\uc744 \uc704\ud55c \ub9c8\uc774\ud06c\ub85c\uc6e8\uc18c\ud654 \ud6c4 \uc18c\uc18c\ud654 \uc18c\uc18c\uc18c\ud654 \ud6c4 \uc18c\uc18c\uc18c\ud654 \ud6c4\uc5d0 \uc18c\uc18c\uc18c\uc18c\ud654 \uc18c\uc18c\uc18c\ud654 \uc18c\uc18c\uc18c\ud654 \ud6c4 \uc18c\uc18c\ud654 \uc18c\ud654 \ud6c4\uc5d0 \uc18c\uc18c\uc18c\ud654 \uc18c\uc18c\uc18c\ud654 \uc18c\ub97c \uc18c\ud654\uc18c\ud654 \uc6a9\uc561 \uc591\uc774 \uc57d 1 mL\ub85c \uac10\uc18c\ud560 \ub54c\uae4c\uc9c0 160\u2103\uc5d0\uc11c \uc0b0 \uc6b4\uc804\uc744 \uc704\ud55c \uc628\ub3c4 \uc81c\uc5b4 \uc628\ub3c4 \uc81c\uc5b4 \uc628\ub3c4 \uc81c\uc5b4 \uc628\ub3c4 \uc81c\uc5b4 \ub728\uac70\uc6b4 \ud310\uc5d0 \ub123\uc73c\uc2ed\uc2dc\uc624. \uc194\ub8e8\uc158<\/div>\n<p><br class=\"container-utlnW2 wrapper-d0Cc1k undefined\" \/><\/p>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">\ub9c8\uc774\ud06c\ub85c\uc6e8\uc774\ube0c \ub09c\ubc29 \ud504\ub85c\uadf8\ub7a8<\/div>\n<p><br class=\"container-utlnW2 wrapper-d0Cc1k undefined\" \/><\/p>\n<div class=\"auto-hide-last-sibling-br mdbox-table-root table-container-GhL7Lo\" data-scroll-inline-overflow=\"false\" data-scroll-inline-at-start=\"true\" data-scroll-inline-start-overflow=\"false\" data-scroll-inline-at-end=\"true\" data-scroll-inline-end-overflow=\"false\">\n<div class=\"table-scroll-container-hgHkfW mdbox-table-scroll-container\">\n<table>\n<thead>\n<tr>\n<th>\ub2e8\uacc4<\/th>\n<th>\uc628\ub3c4 (\u2103)<\/th>\n<th>\ubcf4\uc720 \uc2dc\uac04 (\ubd84)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>&#8211;<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>130<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>150<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>170<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><br class=\"container-utlnW2 wrapper-d0Cc1k undefined\" \/><\/p>\n<div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">\ucc38\uace0: \uc18c\ud654\ub41c \uc0d8\ud50c\uc5d0 \uc18c\ub7c9\uc758 \ubd80\uc6a9\uc131 \ubb3c\uc9c8\uc774 \uc788\ub2e4\uba74, \uae30\uae30\uc5d0 \ud14c\uc2a4\ud2b8\ud558\uae30 \uc804\uc5d0 0.45 \u03bcm \ud544\ud130 \ub9c9\uc744 \ud1b5\ud574 \ud544\ud130\ub9c1\ud558\uc2ed\uc2dc\uc624.<\/div>\n<h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">3.1.2 \ud45c\uc900 \uc194\ub8e8\uc158 \uc900\ube44<\/h4>\n<ol class=\"auto-hide-last-sibling-br\">\n<li>\ud06c\ub86c \ud45c\uc900 \uc2dc\ub9ac\uc988\uc758 \uc900\ube44:<br class=\"container-utlnW2 wrapper-d0Cc1k undefined\" \/>\uc815\ud655\ud558\uac8c 0.0 mL, 0.1 mL, 0.2 mL \ubc0f 0.3 mL\uc758 \ud06c\ub86c \ud45c\uc900 \uc2a4\ud1a0\ud06c \uc194\ub8e8\uc158 (1000 \u03bcg\/mL)\uc744 \uac01\uac01 100 mL \ub300\ub7c9 \ud50c\ub798\uc2a4\ud06c\ub85c \ud53c100 100 100.\uac01 \ud50c\ub798\uc2a4\ud06c\uc5d0 40 g\/L \uc5fc\ud654 \uc554\ubaa8\uac01\uac01 \uc194\ub8e8\uc158\uc758 5 mL\uc744 \ucd94\uac00\ud558\uace0, \uc9c8\uc18c\uc0b0 \uc194\ub8e8\uc158 (1 99)\uc73c\ub85c \ud45c\uc2dc\ub41c \ubcfc\ub968\uae4c\uc9c0 \ud76c\uc11d\ud558\uace0, 0.0 \u03bcg\/mL, 1.0 \u03bcg\/mL, 2.0 \u03bcg\/mL \ubc0f 3.0 \u03bcg\/mL \ub18d\ub3c4\uc758 \ud06c\ub86c \ud45c\uc900 \uc2dc\ub9ac\uc988 \uc194\ub8e8\uc158\uc744 \uc5bb\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h3 class=\"header-vfC6AV auto-hide-last-sibling-br\">3.2 \ud45c\ubcf8 \uc2dc\ud5d8<\/h3>\n<ol class=\"auto-hide-last-sibling-br\">\n<li>\uc2dc\ud5d8 \uc870\uac74<br class=\"container-utlnW2 wrapper-d0Cc1k undefined\" \/>\ubd88\uaf43 \uc6d0\uc790 \ud761\uc218 \ubd84\uad11\uad11\uacc4\ub97c \uac10\uc9c0\ud558\ub294 \ucc38\uc870 \uc870\uac74<\/li>\n<\/ol>\n<p><br class=\"container-utlnW2 wrapper-d0Cc1k undefined\" \/><\/p>\n<div class=\"auto-hide-last-sibling-br mdbox-table-root table-container-GhL7Lo\" data-scroll-inline-overflow=\"true\" data-scroll-inline-at-start=\"true\" data-scroll-inline-start-overflow=\"false\" data-scroll-inline-at-end=\"false\" data-scroll-inline-end-overflow=\"true\">\n<div class=\"table-scroll-container-hgHkfW mdbox-table-scroll-container\">\n<table>\n<thead>\n<tr>\n<th>\ud30c\uc7a5 (nm)<\/th>\n<th>\uc2ac\ub9ac\ud2b8 \ud3ed<\/th>\n<th>\ub7a8\ud504 \ud604\uc7ac (mA)<\/th>\n<th>\uac00\uc2a4 \uc720\ub7c9<\/th>\n<th>\ubc30\uacbd \uc218\uc815<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>357.9<\/td>\n<td>0.22<\/td>\n<td>8<\/td>\n<td>2500<\/td>\n<td>\uc5c6\uc74c<\/td>\n<\/tr>\n<tr>\n<td>(\ucd94\uac00 \ud30c\ub77c\ubbf8\ud130)<\/td>\n<td>4.0<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p><br class=\"container-utlnW2 wrapper-d0Cc1k undefined\" \/><\/p>\n<ol class=\"auto-hide-last-sibling-br\" start=\"2\">\n<li>\uc0d8\ud50c \ud14c\uc2a4\ud2b8<br class=\"container-utlnW2 wrapper-d0Cc1k undefined\" \/>\uc7a5\uce58\ub97c \ucd5c\uc801\uc758 \uc791\ub3d9 \uc0c1\ud0dc\ub85c \uc870\uc815\ud558\uace0, \ubd88\uaf43\uc744 \ubd88\uc5f0\uc5f0\uc5f0\ud558\uace0, \uc5f0\ub8cc \uac00\uc2a4 \ud750\ub984 \uc18d\ub3c4\ub97c \uc870\uc815\ud558\uace0, \ube48 \uc194\ub8e8\uc158, \ud45c\uc900 \uc2dc\ub9ac\uc988 \uc194\ub8e8\uc158 \ubc0f \uc0d8\ud50c \uc194\ub8e8\uc158\uc744 \uc21c\uc11c\uc801\uc73c\ub85c \ud14c\uc2a4\ud2b8\ud558\uace0, \ub370\uc774\ud130\ub97c \uc77d\uace0, \uc0d8\ud50c \ubb34\uac8c\ub97c \uc785\ub825\ud558\uace0 \uacb0\uacfc\ub97c \ud655\uc778\ud558\uace0 \uae30\ub85d\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>1. Method Overview The wheel hub is cleaned with purified water, dried, and its surface topcoat, coating paint, and primer are scraped off with a scraper. Microwave digestion is adopted, and the concentration of chromium is determined by flame atomic absorption spectrometry at a wavelength of 357.9 nm. 2. Instruments and Reagents 2.1 Instruments and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36,77],"tags":[],"class_list":["post-3912","post","type-post","status-publish","format-standard","hentry","category-applications","category-bio-tech-and-life-sciences"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/posts\/3912","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/comments?post=3912"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/posts\/3912\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/media?parent=3912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/categories?post=3912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/ko\/wp-json\/wp\/v2\/tags?post=3912"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}