{"id":3993,"date":"2025-10-10T16:45:18","date_gmt":"2025-10-10T08:45:18","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=3993"},"modified":"2025-10-10T16:45:18","modified_gmt":"2025-10-10T08:45:18","slug":"determination-of-chromium-in-refined-sulfur-graphite-furnace-atomic-absorption-spectrometry-2","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/tr\/applications\/determination-of-chromium-in-refined-sulfur-graphite-furnace-atomic-absorption-spectrometry-2","title":{"rendered":"Rafinlenmi\u015f K\u00fck\u00fcrtte Kromun Belirlenmesi (Grafit F\u0131r\u0131n\u0131 Atom Emme Spektrometrisi)"},"content":{"rendered":"

1. Y\u00f6ntem Genel Bak\u0131\u015f<\/h2>\n
\u00d6rnek sindirildikten sonra, emilimi grafit f\u0131r\u0131n atomizasyonu yoluyla 357,9 nm dalga boyunda \u00f6l\u00e7\u00fcl\u00fcr. Belirli bir konsantrasyon aral\u0131\u011f\u0131nda, kromun emimlili\u011fi i\u00e7eri\u011fine orant\u0131l\u0131d\u0131r. Niyetsel belirleme standart bir seriyle kar\u015f\u0131la\u015ft\u0131r\u0131larak ger\u00e7ekle\u015ftirilir.<\/div>\n
\n

2. Aletler ve Reagentler<\/h2>\n<\/div>\n
\n

2.1 Aletler ve Ekipmanlar<\/h3>\n

2.1.1 Test Aletleri<\/h4>\n
\n
\n\n\n\n\n\n\n\n
Seri numaras\u0131.<\/th>\n\u0130sim<\/th>\nMiktar<\/th>\nTeknik Gereksinimler<\/th>\nAksesuarlar<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nGrafit F\u0131r\u0131n Atom Emme Spektrofotometri<\/td>\n1 set<\/td>\n–<\/td>\nKrom Bo\u015f Katod Lambas\u0131<\/td>\n<\/tr>\n
2<\/td>\nSirk\u00fclasyon Su Sistemi<\/td>\n1 set<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
3<\/td>\nArgon Gaz\u0131<\/td>\n1 silindir<\/td>\nSafl\u0131k \u2265% 99,99<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

2.1.2 \u00d6rnek \u00d6n Tedavi Ekipmanlar\u0131<\/h4>\n
\n
\n\n\n\n\n\n\n\n
Seri numaras\u0131.<\/th>\n\u0130sim<\/th>\nMiktar<\/th>\nTeknik Gereksinimler<\/th>\nAksesuarlar<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nPorselen Crucible<\/td>\nBirka\u00e7<\/td>\nHacim: 100 ml<\/td>\n–<\/td>\n<\/tr>\n
2<\/td>\nElektrikli F\u0131r\u0131n<\/td>\n1 set<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
3<\/td>\nMikropipet<\/td>\nHer biri 1<\/td>\nAral\u0131klar\u0131: 100 \u03bcL ~ 1000 \u03bcL, 1000 \u03bcL ~ 5000 \u03bcL<\/td>\n\u0130pu\u00e7lar\u0131: 1 ml, 5 ml<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

2.2 Reagentler<\/h3>\n

2.2.1 Ham Reagentler<\/h4>\n
\n
\n\n\n\n\n\n
Seri numaras\u0131.<\/th>\n\u0130sim<\/th>\nTeknik Gereksinimler<\/th>\nNotlar<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nNitrik Asit<\/td>\nMOS S\u0131n\u0131f\u0131<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

2.2 Haz\u0131rlanan Reagentler<\/h4>\n
\n
\n\n\n\n\n\n
Seri numaras\u0131.<\/th>\n\u0130sim<\/th>\nHaz\u0131rlama Y\u00f6ntemi<\/th>\nNotlar<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nNitrik Asit \u00c7\u00f6z\u00fcm\u00fc (1 99)<\/td>\n1 mL nitrik asit \u00f6l\u00e7\u00fcn, 99 mL suya ekleyin ve iyi kar\u0131\u015ft\u0131r\u0131n.<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

2.3 Referans Standartlar\u0131<\/h3>\n

2.3.1 Stok \u00c7\u00f6z\u00fcm\u00fc<\/h4>\n
\n
\n\n\n\n\n\n
Seri numaras\u0131.<\/th>\n- Hay\u0131r. - Hay\u0131r.<\/th>\n\u0130sim<\/th>\nTeknik Gereksinimler<\/th>\nNotlar<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nGSB 04-1740-2004<\/td>\nUlusal S\u0131v\u0131 Standart \u00d6rne\u011fi – Krom<\/td>\nKonsantrasyon: 1000 \u03bcg \/ mL<\/td>\nUlusal Renkli Metal ve Elektronik Malzemeler Analiz ve Test Merkezi taraf\u0131ndan sa\u011flanan<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

3. Operasyonal Prosed\u00fcrler<\/h2>\n

3.1 \u00d6rnek Haz\u0131rlama<\/h3>\n

3.1.1 Test \u00c7\u00f6z\u00fcm\u00fcn\u00fcn Haz\u0131rlanmas\u0131<\/h4>\n
\u00d6rne\u011fin 5 g a\u011f\u0131rl\u0131\u011f\u0131n\u0131 (0,1 g'e kadar do\u011fru) a\u011f\u0131rlay\u0131n ve 100 mL'lik bir porselen \u00e7ubu\u011fa yerle\u015ftirin. \u00d6rnek yan\u0131ncaya kadar ti\u00e7e\u011fi elektrikli bir f\u0131r\u0131nda \u0131s\u0131t\u0131n. \u00c7ama\u011f\u0131 duman kaposuna ta\u015f\u0131y\u0131n ve k\u00fck\u00fcrt tamamen yanyana kadar bekleyin. Sonra elektrikli f\u0131r\u0131nda 5 dakika daha \u0131s\u0131t\u0131n. \u00c7ama\u011f\u0131 \u00e7\u0131kar\u0131n ve so\u011fumas\u0131na izin verin. 5 ml nitrik asit ve 15 ml su ekleyin, sonra kal\u0131nt\u0131n\u0131n tamamen \u00e7\u00f6z\u00fcnene kadar \u0131s\u0131t\u0131n. So\u011futuktan sonra, \u00e7\u00f6z\u00fcm\u00fc 25 mL kolorimetrik t\u00fcbe aktar\u0131n, i\u015faretlenmi\u015f hacime su ile seyreltin ve iyi kar\u0131\u015ft\u0131r\u0131n.<\/div>\n

3.1.2 Standart \u00c7\u00f6z\u00fcmlerin Haz\u0131rlanmas\u0131<\/h4>\n
    \n
  1. \n
    Krom Standart Ara \u00c7\u00f6z\u00fcm\u00fcn\u00fcn Haz\u0131rlanmas\u0131<\/p>\n
    <\/div>\n

    100 \u03bcL ulusal krom standart \u00e7\u00f6z\u00fcm\u00fcn\u00fc 100 mL hacimli bir kolba do\u011fru bir \u015fekilde pipetleyin. 1 \u03bcg\/mL konsantrasyonunda bir krom standart ara \u00e7\u00f6z\u00fcm\u00fc elde etmek i\u00e7in (99) nitrik asit \u00e7\u00f6z\u00fcm\u00fc ile i\u015faretlenmi\u015f hacime seyreltin.<\/p><\/div>\n<\/li>\n

  2. \n
    Krom Standart Serisinin Haz\u0131rlanmas\u0131<\/p>\n
    <\/div>\n

    0,0, 0,25, 0,5, 1,0 ve 2,0 mL krom standart ara \u00e7\u00f6z\u00fcm\u00fcn\u00fc (1 \u03bcg\/mL) s\u0131ras\u0131yla ayr\u0131 100 mL hacimli \u015fi\u015felere pipet edin. 0,0, 2,5, 5,0, 10,0 ve 20,0 ng\/mL konsantrasyonlar\u0131 olan bir krom standart serisi elde etmek i\u00e7in i\u015faretlenmi\u015f hacme (99) nitrik asit \u00e7\u00f6z\u00fcm\u00fc ekleyin.<\/p><\/div>\n<\/li>\n<\/ol>\n

    3.2 \u00d6rnek Testi<\/h3>\n

    (1) Test Ko\u015fullar\u0131<\/h4>\n
    Grafit F\u0131r\u0131n Atom Emme Spektrofotometri i\u00e7in Referans Ko\u015fullar\u0131<\/strong><\/div>\n
    <\/div>\n
    \n
    \n\n\n\n\n\n\n\n\n\n\n
    Parametre<\/th>\n\u00d6zellikler<\/th>\n<\/tr>\n<\/thead>\n
    Element<\/td>\nKrom (Cr)<\/td>\n<\/tr>\n
    Dalga Uzunlu\u011fu (nm)<\/td>\n357.9<\/td>\n<\/tr>\n
    Spektral Bant Geni\u015fli\u011fi (nm)<\/td>\n0.4<\/td>\n<\/tr>\n
    Element Lamba Ak\u0131m\u0131 (mA)<\/td>\n2.0<\/td>\n<\/tr>\n
    Filtre Kat\u0131s\u0131<\/td>\n0.1<\/td>\n<\/tr>\n
    Entegrasyon S\u00fcresi (s)<\/td>\n2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n
    <\/div>\n
    Grafit F\u0131r\u0131n Is\u0131tma Program\u0131<\/strong><\/div>\n
    <\/div>\n
    \n
    \n\n\n\n\n\n
    Element<\/th>\nKurutma S\u0131cakl\u0131\u011f\u0131 (\u2103)<\/th>\nKurutma S\u00fcresi (s)<\/th>\nK\u00fcl S\u0131cakl\u0131\u011f\u0131 (\u2103)<\/th>\nK\u00fcl S\u00fcresi (s)<\/th>\nAtomizasyon S\u0131cakl\u0131\u011f\u0131 (\u2103)<\/th>\nAtomizasyon S\u00fcresi (s)<\/th>\nTemizleme S\u0131cakl\u0131\u011f\u0131 (\u2103)<\/th>\nTemizleme S\u00fcresi (s)<\/th>\n<\/tr>\n<\/thead>\n
    Cr'nin<\/td>\n110<\/td>\n20<\/td>\n600<\/td>\n20<\/td>\n2300<\/td>\n3<\/td>\n2400<\/td>\n2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

    (2) \u00d6rnek Testi<\/h4>\n
    Argon silindirini a\u00e7\u0131n ve argon bas\u0131n\u00e7 \u00f6l\u00e7e\u011fini 0,5 MPa'ya ayarlay\u0131n. Aleti optimal \u00e7al\u0131\u015fma durumuna ayarlay\u0131n ve reagent bo\u015flu\u011funun, standart serinin ve \u00f6rnek \u00e7\u00f6z\u00fcm\u00fcn\u00fcn 357.9 nm dalga boyunda emilimini \u00f6l\u00e7\u00fcn.<\/div>\n
    <\/div>\n
    S\u0131f\u0131r standart \u00e7\u00f6z\u00fcm\u00fcn emilimini her standart \u00e7\u00f6z\u00fcm\u00fcn emiliminden \u00e7\u0131kar\u0131n. Krom k\u00fctle konsantrasyonu (\u03bcg\/L) absisa olarak ve ilgili emici ordinat olarak bir \u00e7al\u0131\u015fma e\u011frisi \u00e7izin. Test \u00e7\u00f6z\u00fcm\u00fcn\u00fcn ve bo\u015f test \u00e7\u00f6z\u00fcm\u00fcn\u00fcn \u00f6l\u00e7\u00fclen emimine dayanarak, \u00e7al\u0131\u015fma e\u011frisinden krom k\u00fctlesini bulun.<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

    1. Method Overview After the sample is digested, its absorbance is measured at a wavelength of 357.9 nm via graphite furnace atomization. Within a certain concentration range, the absorbance of chromium is proportional to its content. Quantitative determination is conducted by comparing with a standard series. 2. Instruments and Reagents 2.1 Instruments and Equipment 2.1.1 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[81,36],"tags":[],"class_list":["post-3993","post","type-post","status-publish","format-standard","hentry","category-petrochemical-and-chemical","category-applications"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/posts\/3993","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=3993"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/posts\/3993\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/media?parent=3993"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/categories?post=3993"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/tags?post=3993"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}