{"id":4891,"date":"2026-08-13T14:21:09","date_gmt":"2026-08-13T06:21:09","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4891"},"modified":"2026-08-13T14:21:09","modified_gmt":"2026-08-13T06:21:09","slug":"%e3%80%8adetermination-of-chromium-in-surface-coatings-of-wheel-hubs-flame-atomic-absorption-spectrometry%e3%80%8bcontent-summary","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/ja\/applications\/%e3%80%8adetermination-of-chromium-in-surface-coatings-of-wheel-hubs-flame-atomic-absorption-spectrometry%e3%80%8bcontent-summary","title":{"rendered":"\u300a\u30db\u30a4\u30fc\u30eb\u30cf\u30d6\u8868\u9762\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u4e2d\u306e\u30af\u30ed\u30e0\u306e\u5b9a\u91cf\uff08\u30d5\u30ec\u30fc\u30e0\u539f\u5b50\u5438\u5149\u5206\u5149\u6cd5\uff09\u300b\u5185\u5bb9\u6982\u8981"},"content":{"rendered":"<h1>1 \u65b9\u6cd5\u6982\u8981<\/h1>\n<p>\u30db\u30a4\u30fc\u30eb\u30cf\u30d6\u306f\u8d85\u7d14\u6c34\u3067\u5fb9\u5e95\u7684\u306b\u6d17\u6d44\u3057\u3001\u81ea\u7136\u4e7e\u71e5\u3055\u305b\u308b\u3002\u30b9\u30af\u30ec\u30fc\u30d1\u30fc\u3092\u7528\u3044\u3066\u8868\u9762\u306e\u30c8\u30c3\u30d7\u30b3\u30fc\u30c8\u3001\u4e2d\u9593\u30b3\u30fc\u30c8\u3001\u30d7\u30e9\u30a4\u30de\u30fc\u3092\u9664\u53bb\u3059\u308b\u3002\u30de\u30a4\u30af\u30ed\u6ce2\u5206\u89e3\u5f8c\u3001\u6ce2\u9577357.9 nm\u306b\u304a\u3051\u308b\u30d5\u30ec\u30fc\u30e0\u539f\u5b50\u5438\u5149\u5206\u5149\u6cd5\u306b\u3088\u308a\u30af\u30ed\u30e0\u6fc3\u5ea6\u3092\u6e2c\u5b9a\u3059\u308b\u3002<\/p>\n<h1>2 \u9069\u7528\u7bc4\u56f2<\/h1>\n<p>\u30db\u30a4\u30fc\u30eb\u30cf\u30d6\u8868\u9762\u30b3\u30fc\u30c6\u30a3\u30f3\u30b0\u4e2d\u306e\u30af\u30ed\u30e0\u306e\u5b9a\u91cf<\/p>\n<h1>3 \u53c2\u7167\u6a19\u6e96<\/h1>\n<p>IEC 62312<\/p>\n<h1>4\uff0e\u5668\u5177\u304a\u3088\u3073\u8a66\u85ac<\/h1>\n<h2>4.1\u8a08\u5668\u8a2d\u5099<\/h2>\n<h3>4.1.1 \u5206\u6790\u6a5f\u5668<\/h3>\n<p>\u30b7\u30fc\u30c8<\/p>\n<table>\n<thead>\n<tr>\n<th>\u3044\u3084<\/th>\n<th>\u540d\u524d<\/th>\n<th>\u91cf<\/th>\n<th>\u6280\u8853\u8981\u4ef6<\/th>\n<th>\u30a2\u30af\u30bb\u30b5\u30ea\u30fc<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>\u706b\u7130 \u539f\u5b50 \u5438\u53ce \u5206\u5149 \u5149\u8a08<\/td>\n<td>1\u30bb\u30c3\u30c8<\/td>\n<td>\u2014<\/td>\n<td>\u30af\u30ed\u30e0\u7a7a\u306e\u9634\u6975\u30e9\u30f3\u30d7<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>\u30a2\u30bb\u30c1\u30ec\u30f3\u30ac\u30b9\u30dc\u30f3\u30d9<\/td>\n<td>1\u3064\u306e\u30b7\u30ea\u30f3\u30c0\u30fc<\/td>\n<td>\u7d14\u5ea6 \u2265 99.99%<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>\u7a7a\u6c17\u5727\u7e2e\u6a5f<\/td>\n<td>1\u30e6\u30cb\u30c3\u30c8<\/td>\n<td>\u8a55\u4fa1\u3055\u308c\u305f\u6392\u6c17\u5727: 0.3 MPa<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>1 Method Overview The wheel hub is thoroughly cleaned with ultrapure water and air-dried. A scraper is used to remove the topcoat, intermediate coating and primer on the surface. After microwave digestion, the concentration of chromium is determined by flame atomic absorption spectrometry at a wavelength of 357.9 nm. 2 Scope of Application Determination of chromium in surface coatings of wheel hubs 3 Reference Standard IEC 62312 4 Instruments and Reagents 4.1 Instruments and Equipment 4.1.1 Analytical Instruments \u8868\u683c No. Name Quantity Technical Requirements Accessories 1 Flame Atomic Absorption Spectrophotometer 1 set \u2014 Chromium Hollow Cathode Lamp 2 Acetylene Gas Cylinder 1 cylinder Purity \u2265 99.99% \u2014 3 Air Compressor [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4892,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36],"tags":[],"class_list":["post-4891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-applications"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/ja\/wp-json\/wp\/v2\/posts\/4891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/ja\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/ja\/wp-json\/wp\/v2\/comments?post=4891"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/ja\/wp-json\/wp\/v2\/posts\/4891\/revisions"}],"predecessor-version":[{"id":4893,"href":"https:\/\/www.pgeneral.com\/ja\/wp-json\/wp\/v2\/posts\/4891\/revisions\/4893"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/ja\/wp-json\/wp\/v2\/media\/4892"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/ja\/wp-json\/wp\/v2\/media?parent=4891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/ja\/wp-json\/wp\/v2\/categories?post=4891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/ja\/wp-json\/wp\/v2\/tags?post=4891"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}