{"id":5214,"date":"2026-09-10T16:44:35","date_gmt":"2026-09-10T08:44:35","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=5214"},"modified":"2026-09-10T16:44:35","modified_gmt":"2026-09-10T08:44:35","slug":"determination-of-potassium-oxide-in-alumina-powder-flame-atomic-absorption-spectrometry-2","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/de\/applications\/determination-of-potassium-oxide-in-alumina-powder-flame-atomic-absorption-spectrometry-2","title":{"rendered":"Bestimmung von Kaliumoxid in Aluminiumpulver (Flammenabsorptionsspektrometrie)"},"content":{"rendered":"<p>1 Methodenblick<br \/>\nDie Testprobe wird erhitzt und in einem Quarzbecher mit einem Gemisch aus Schwefel- und Phosphors\u00e4ure gel\u00f6st. Nach Verd\u00fcnnung mit Wasser wird die Absorption des Kaliums bei einer Wellenl\u00e4nge von 766,5 nm mit einem Atomabsorptionsspektrometer unter Verwendung einer Luft-Acetylen-Flamme gemessen. Innerhalb eines bestimmten Konzentrationsbereichs ist die Absorption des Kaliums proportional zu seinem Gehalt; die Quantifizierung erfolgt durch Vergleich mit einer Standardreihe.<\/p>\n<p>2 Anwendungsbereich<br \/>\nDiese Methode eignet sich zur Bestimmung des Kaliumoxidgehalts in Aluminiumoxidpulver.<\/p>\n<p>3 Referenzbasis<br \/>\nGB\/T 6609.6\u20112018, Verfahren zur chemischen Analyse und Pr\u00fcfung physikalischer Eigenschaften von Aluminiumoxid \u2014 Teil 6: Bestimmung des Kaliumoxidgehalts<\/p>\n<p>4 Instrumente und Reagenzien<\/p>\n<p>4.1 Instrumente und Ausr\u00fcstung<\/p>\n<p>4.1.1 Pr\u00fcfger\u00e4te<\/p>\n<table>\n<thead>\n<tr>\n<th>- Nein. - Nein.<\/th>\n<th>Name<\/th>\n<th>Menge<\/th>\n<th>Technische Anforderung<\/th>\n<th>Zubeh\u00f6r<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>Atomabsorptionsspektrophotometer (TAS\u2011990)<\/td>\n<td>1 Satz<\/td>\n<td>\u2014<\/td>\n<td>Kalium-Hohlkathodenlampe<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Luftkompressor<\/td>\n<td>1 Satz<\/td>\n<td>Bemessungsabgasdruck: 0,3 MPa<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Acetylen<\/td>\n<td>1 Zylinder<\/td>\n<td>Reinheit \u226599,99 %<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>1 Method Overview The test portion is heated and dissolved in a quartz beaker with mixed sulfuric\u2011phosphoric acid. After dilution with water, the absorbance of potassium is measured at a wavelength of 766.5\u202fnm on an atomic absorption spectrophotometer using an air\u2011acetylene flame. Within a certain concentration range, the absorbance of potassium is proportional to its [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4907,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81,36],"tags":[],"class_list":["post-5214","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-petrochemical-and-chemical","category-applications"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/posts\/5214","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=5214"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/posts\/5214\/revisions"}],"predecessor-version":[{"id":5215,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/posts\/5214\/revisions\/5215"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/media\/4907"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/media?parent=5214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/categories?post=5214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/tags?post=5214"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}