{"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\/id\/applications\/determination-of-potassium-oxide-in-alumina-powder-flame-atomic-absorption-spectrometry-2","title":{"rendered":"Penentuan Kalium Oksida dalam Bubuk Alumina (Spektrometri Penyerapan Atom Api)"},"content":{"rendered":"<p>1 Gambaran Umum Metode<br \/>\nSampel uji dipanaskan dan dilarutkan dalam gelas beker kuarsa dengan campuran asam sulfat-fosfat. Setelah diencerkan dengan air, absorbansi kalium diukur pada panjang gelombang 766,5 nm menggunakan spektrofotometer serapan atom dengan nyala api udara-asetilen. Dalam rentang konsentrasi tertentu, absorbansi kalium berbanding lurus dengan kandungannya, dan kuantifikasi dilakukan dengan membandingkannya dengan deret standar.<\/p>\n<p>2. Ruang Lingkup Penerapan<br \/>\nMetode ini dapat diterapkan untuk menentukan kandungan kalium oksida dalam bubuk alumina.<\/p>\n<p>3. Dasar Referensi<br \/>\nGB\/T 6609.6\u20112018, Metode untuk analisis kimia dan pengujian sifat fisik alumina \u2014 Bagian 6: Penentuan kandungan kalium oksida<\/p>\n<p>4 Instrumen dan Reagen<\/p>\n<p>4.1 Instrumen dan Peralatan<\/p>\n<p>4.1.1 Instrumen Pengujian<\/p>\n<table>\n<thead>\n<tr>\n<th>Tidak, tidak.<\/th>\n<th>Nama<\/th>\n<th>Kuantitas<\/th>\n<th>Persyaratan Teknis<\/th>\n<th>Aksesoris<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>Spektrofotometer Serapan Atom (TAS\u2011990)<\/td>\n<td>1 set<\/td>\n<td>\u2014<\/td>\n<td>Lampu Katoda Berongga Kalium<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Kompresor Udara<\/td>\n<td>1 set<\/td>\n<td>Tekanan buang terukur: 0,3 MPa<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Acetilena<\/td>\n<td>1 silinder<\/td>\n<td>Kemurnian \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\/id\/wp-json\/wp\/v2\/posts\/5214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/comments?post=5214"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/posts\/5214\/revisions"}],"predecessor-version":[{"id":5215,"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/posts\/5214\/revisions\/5215"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/media\/4907"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/media?parent=5214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/categories?post=5214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/id\/wp-json\/wp\/v2\/tags?post=5214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}