{"id":4882,"date":"2026-08-13T13:56:27","date_gmt":"2026-08-13T05:56:27","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=4882"},"modified":"2026-08-13T13:56:27","modified_gmt":"2026-08-13T05:56:27","slug":"determination-of-lead-in-sodium-pyrophosphate-food-additive","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/tr\/applications\/determination-of-lead-in-sodium-pyrophosphate-food-additive","title":{"rendered":"Sodyum Pirofosfat G\u0131da Katk\u0131 Maddesinde Kur\u015fun Tayini"},"content":{"rendered":"<h2><strong><b>1 Y\u00f6ntem Genel Bak\u0131\u015f<\/b><\/strong><\/h2>\n<p>Numune \u00f6n i\u015fleminden sonra, kur\u015fun iyonlar\u0131 belirli bir pH ko\u015fulu alt\u0131nda sodyum dietilditiyokarbamat (DDTC) ile bir kompleks olu\u015fturur. Kompleks, 4-metil-2-pentanon (MIBK) kullan\u0131larak ekstrakte edilir ve ayr\u0131\u015ft\u0131r\u0131l\u0131r, ard\u0131ndan alev atomizasyonu i\u00e7in atomik absorpsiyon spektrometresine verilir. Absorbans 283,3 nm dalga boyunda \u00f6l\u00e7\u00fcl\u00fcr. Belirli bir konsantrasyon aral\u0131\u011f\u0131nda, kur\u015funun absorbans\u0131 k\u00fctle i\u00e7eri\u011fiyle orant\u0131l\u0131d\u0131r ve nicelle\u015ftirme, bir standart seri ile kar\u015f\u0131la\u015ft\u0131r\u0131larak yap\u0131l\u0131r.<\/p>\n<h2><strong><b>2. Uygulama Kapsam\u0131<\/b><\/strong><\/h2>\n<p>Bu y\u00f6ntem, sodyum pirofosfat g\u0131da katk\u0131 maddesindeki kur\u015fun miktar\u0131n\u0131n belirlenmesinde kullan\u0131l\u0131r.<\/p>\n<h2><strong><b>3 Referans Standard\u0131<\/b><\/strong><\/h2>\n<p>GB 25557-2010 Ulusal G\u0131da G\u00fcvenli\u011fi Standard\u0131 \u2013 G\u0131da Katk\u0131 Maddesi Sodyum Pirofosfat, B\u00f6l\u00fcm A.10 Kur\u015fun Tayini<\/p>\n<h2><strong><b>4 Aletler, Ekipmanlar ve Reaktifler<\/b><\/strong><\/h2>\n<h3><strong><b>4.1 Aletler ve Ekipmanlar<\/b><\/strong><\/h3>\n<h4><strong><b>4.1.1 Analitik Cihazlar<\/b><\/strong><\/h4>\n<p>\u00e7ar\u015faf<\/p>\n<table>\n<tbody>\n<tr>\n<td><strong><b>- Hay\u0131r. - Hay\u0131r.<\/b><\/strong><\/td>\n<td><strong><b>\u0130sim<\/b><\/strong><\/td>\n<td><strong><b>Miktar<\/b><\/strong><\/td>\n<td><strong><b>Teknik Gereksinimler<\/b><\/strong><\/td>\n<td><strong><b>Aksesuarlar<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>Alev Atom Emme Spektrofotometri<\/td>\n<td>1 set<\/td>\n<td>\u2014<\/td>\n<td>Kur\u015fun Bo\u015f Katod Lambas\u0131<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>Hava Kompres\u00f6r\u00fc<\/td>\n<td>1 birim<\/td>\n<td>Nominal egzoz bas\u0131nc\u0131: 0.3 MPa<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>Asetilen Silindiri<\/td>\n<td>1 silindir<\/td>\n<td>Safl\u0131k \u2265% 99,99<\/td>\n<td>\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p>1 Method Overview After sample pretreatment, lead ions form a complex with sodium diethyldithiocarbamate (DDTC) under a specific pH condition. The complex is extracted and separated using 4-methyl-2-pentanone (MIBK), then introduced into an atomic absorption spectrometer for flame atomization. Absorbance is measured at a wavelength of 283.3 nm. Within a certain concentration range, the absorbance [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4824,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[36,77],"tags":[],"class_list":["post-4882","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-applications","category-bio-tech-and-life-sciences"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/posts\/4882","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=4882"}],"version-history":[{"count":1,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/posts\/4882\/revisions"}],"predecessor-version":[{"id":4883,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/posts\/4882\/revisions\/4883"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/media\/4824"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/media?parent=4882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/categories?post=4882"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/tags?post=4882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}