{"id":4885,"date":"2026-08-13T14:03:10","date_gmt":"2026-08-13T06:03:10","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4885"},"modified":"2026-08-13T14:03:10","modified_gmt":"2026-08-13T06:03:10","slug":"determination-of-total-selenium-in-sugar-tangerine-hydride-generation-atomic-fluorescence-spectrometry","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/tr\/applications\/determination-of-total-selenium-in-sugar-tangerine-hydride-generation-atomic-fluorescence-spectrometry","title":{"rendered":"# \u015eeker Mandalinas\u0131nda Toplam Selenyum Tayini (Hidrit \u00dcretimi Atomik Floresans Spektrometrisi)"},"content":{"rendered":"<h2>1 Y\u00f6ntem Genel Bak\u0131\u015f<\/h2>\n<p>Numune, \u0131s\u0131tma alt\u0131nda asit ile sindirilir. 6 mol\/L hidroklorik asit ortam\u0131nda, numunedeki alt\u0131 de\u011ferlikli selenyum, d\u00f6rt de\u011ferlikli selenyuma indirgenir. D\u00f6rt de\u011ferlikli selenyumu hidroklorik asit ortam\u0131nda hidrojen selenide d\u00f6n\u00fc\u015ft\u00fcrmek i\u00e7in indirgeyici madde olarak potasyum borohidrit kullan\u0131l\u0131r. Olu\u015fan hidrojen selenid, ta\u015f\u0131y\u0131c\u0131 gaz (argon) ile atomizasyon i\u00e7in atomiz\u00f6re ta\u015f\u0131n\u0131r. Selenyum i\u00e7i bo\u015f katot lambas\u0131 ile \u0131\u015f\u0131nland\u0131\u011f\u0131nda, temel haldeki selenyum atomlar\u0131 y\u00fcksek enerjili hallere uyar\u0131l\u0131r. Atomlar tekrar temel hale geri d\u00f6nd\u00fc\u011f\u00fcnde karakteristik dalga boyuna sahip floresans yay\u0131l\u0131r. Floresans yo\u011funlu\u011fu selenyum i\u00e7eri\u011fiyle orant\u0131l\u0131d\u0131r ve nicelle\u015ftirme, standart seri \u00e7\u00f6zeltilerle kar\u015f\u0131la\u015ft\u0131rma yoluyla ger\u00e7ekle\u015ftirilir.<\/p>\n<h2>2. Uygulama Kapsam\u0131<\/h2>\n<p>Bu y\u00f6ntem, \u015feker mandalinas\u0131ndaki selenyumun belirlenmesinde uygulanabilir.<\/p>\n<h2>3 Referans Standard\u0131<\/h2>\n<p>GB 5009.93-2017 Ulusal G\u0131da G\u00fcvenli\u011fi Standard\u0131 \u2013 G\u0131dalarda Selenyum Tayini, Y\u00f6ntem 1: Hidrit \u00dcretimi Atomik Floresans Spektrometrisi<\/p>\n<h2>4 Aletler, Ekipmanlar ve Reaktifler<\/h2>\n<h3>4.1 Aletler ve Ekipmanlar<\/h3>\n<h4>4.1.1 Analitik Cihazlar<\/h4>\n<p>\u00e7ar\u015faf<\/p>\n<table>\n<thead>\n<tr>\n<th>- Hay\u0131r. - Hay\u0131r.<\/th>\n<th>\u0130sim<\/th>\n<th>Miktar<\/th>\n<th>Teknik Gereksinim<\/th>\n<th>Aksesuarlar<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>1<\/td>\n<td>Atomik Floresans Spektrometresi<\/td>\n<td>1 set<\/td>\n<td>\u2014<\/td>\n<td>Selenyum Bo\u015f Katod Lambas\u0131<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Argon Gaz Silindiri<\/td>\n<td>1 silindir<\/td>\n<td>Safl\u0131k \u2265,999<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>1 Method Overview The sample is digested with acid under heating. In a 6 mol\/L hydrochloric acid medium, hexavalent selenium in the sample is reduced to tetravalent selenium. Potassium borohydride is used as reducing agent to convert tetravalent selenium into hydrogen selenide in hydrochloric acid medium. The generated hydrogen selenide is carried by carrier gas [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4886,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36,73],"tags":[],"class_list":["post-4885","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-applications","category-food-and-drugs"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/posts\/4885","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/comments?post=4885"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/posts\/4885\/revisions"}],"predecessor-version":[{"id":4887,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/posts\/4885\/revisions\/4887"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/media\/4886"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/media?parent=4885"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/categories?post=4885"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/tags?post=4885"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}