{"id":4657,"date":"2026-06-04T15:52:41","date_gmt":"2026-06-04T07:52:41","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4657"},"modified":"2026-06-04T15:52:41","modified_gmt":"2026-06-04T07:52:41","slug":"determination-of-potassium-in-sweet-potato-products-flame-atomic-absorption-spectrometry-2","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/de\/applications\/determination-of-potassium-in-sweet-potato-products-flame-atomic-absorption-spectrometry-2","title":{"rendered":"Bestimmung von Kalium in S\u00fc\u00dfkartoffelprodukten (Flammenabsorptionsspektrometrie)"},"content":{"rendered":"<p>1. Methoden\u00fcbersicht<\/p>\n<p>Nach dem Probenaufschluss wird die Testl\u00f6sung in einer Luftflamme zerst\u00e4ubt und die Absorption bei einer Wellenl\u00e4nge von 766,5 nm gemessen. Innerhalb eines bestimmten Konzentrationsbereichs ist die Absorption proportional zum Kaliumgehalt; die Quantifizierung erfolgt durch Vergleich mit einer Standardkalibrierungsreihe.<\/p>\n<p>2 Anwendungsbereich<\/p>\n<p>Diese Methode eignet sich zur Bestimmung des Kaliumgehalts in S\u00fc\u00dfkartoffelprodukten.<\/p>\n<p>3 Referenzstandard<\/p>\n<p>GB 5009.91-2017 Nationaler Lebensmittelsicherheitsstandard \u2013 Bestimmung von Kalium in Lebensmitteln<\/p>\n<p>4 Pr\u00fcfger\u00e4te<\/p>\n<p>\u2022 Flammen-Atomabsorptionsspektrometer 1 St\u00fcck \u2013 Kalium-Hohlkathodenlampe<\/p>\n<p>\u2022 Luftkompressor, 1 St\u00fcck, Nennabluftdruck: 0,3 MPa<\/p>","protected":false},"excerpt":{"rendered":"<p>1 Method Summary After sample digestion, the test solution is atomized in air flame, and absorbance is measured at the wavelength of 766.5 nm. Within a certain concentration range, absorbance is proportional to potassium content, and quantification is completed by comparison with standard calibration series. 2 Scope of Application This method is applicable to the [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4658,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36,75],"tags":[],"class_list":["post-4657","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-applications","category-environment"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/posts\/4657","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=4657"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/posts\/4657\/revisions"}],"predecessor-version":[{"id":4659,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/posts\/4657\/revisions\/4659"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/media\/4658"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/media?parent=4657"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/categories?post=4657"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/de\/wp-json\/wp\/v2\/tags?post=4657"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}