{"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\/de\/applications\/%e3%80%8adetermination-of-chromium-in-surface-coatings-of-wheel-hubs-flame-atomic-absorption-spectrometry%e3%80%8bcontent-summary","title":{"rendered":"\u300aBestimmung von Chrom in Oberfl\u00e4chenbeschichtungen von Radnaben (Flammenatomabsorptionsspektrometrie)\u300bInhaltszusammenfassung"},"content":{"rendered":"<h1>1 Methodenblick<\/h1>\n<p>Die Radnabe wird gr\u00fcndlich mit Reinstwasser gereinigt und luftgetrocknet. Decklack, Zwischenbeschichtung und Grundierung werden mit einem Schaber entfernt. Nach Mikrowellenaufschluss wird die Chromkonzentration mittels Flammenatomabsorptionsspektrometrie bei einer Wellenl\u00e4nge von 357,9 nm bestimmt.<\/p>\n<h1>2 Anwendungsbereich<\/h1>\n<p>Bestimmung des Chromgehalts in Oberfl\u00e4chenbeschichtungen von Radnaben<\/p>\n<h1>3 Referenzstandard<\/h1>\n<p>IEC 62312<\/p>\n<h1>4 Instrumente und Reagenzien<\/h1>\n<h2>4.1 Instrumente und Ausr\u00fcstung<\/h2>\n<h3>4.1.1 Analytische Instrumente<\/h3>\n<p>Blatt<\/p>\n<table>\n<thead>\n<tr>\n<th>- Nein. - Nein.<\/th>\n<th>Name<\/th>\n<th>Menge<\/th>\n<th>Technische Anforderungen<\/th>\n<th>Zubeh\u00f6r<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>Flammenabsorptionsspektrophotometer<\/td>\n<td>1 Satz<\/td>\n<td>\u2014<\/td>\n<td>Chrom Hohlkathodenlampe<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Acetylen-Gasflasche<\/td>\n<td>1 Zylinder<\/td>\n<td>Reinheit \u2265 99,99%<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Luftkompressor<\/td>\n<td>1 Einheit<\/td>\n<td>Nenndruck: 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 [&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\/de\/wp-json\/wp\/v2\/posts\/4891","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/comments?post=4891"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/posts\/4891\/revisions"}],"predecessor-version":[{"id":4893,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/posts\/4891\/revisions\/4893"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/media\/4892"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/media?parent=4891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/categories?post=4891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/tags?post=4891"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}