{"id":3912,"date":"2025-09-09T11:13:25","date_gmt":"2025-09-09T03:13:25","guid":{"rendered":"https:\/\/www.pgeneral.com\/?p=3912"},"modified":"2025-09-09T11:13:25","modified_gmt":"2025-09-09T03:13:25","slug":"determination-of-chromium-in-wheel-hub-surface-paint-flame-atomic-absorption-spectrometry","status":"publish","type":"post","link":"https:\/\/www.pgeneral.com\/tr\/applications\/determination-of-chromium-in-wheel-hub-surface-paint-flame-atomic-absorption-spectrometry","title":{"rendered":"Tekerlek Merkezi Y\u00fczey Boyas\u0131nda Kromun Belirlenmesi (Alev Atom Emme Spektrometrisi)"},"content":{"rendered":"

1. Y\u00f6ntem Genel Bak\u0131\u015f<\/h2>\n
Tekerlek merkezi safla\u015ft\u0131r\u0131lm\u0131\u015f suyla temizlenir, kurutulur ve y\u00fczey \u00fcst kaplamas\u0131, kaplama boyas\u0131 ve primer bir kaz\u0131c\u0131 ile kaz\u0131l\u0131r. Mikrodalga sindirimi benimsenir ve krom konsantrasyonu 357.9 nm dalga boyunda alev atomik emim spektrometrisi ile belirlenir.<\/div>\n
\n

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

2.1 Aletler ve Ekipmanlar<\/h3>\n

2.1.1 Test Aletleri<\/h4>\n
\n
\n\n\n\n\n\n\n\n
\u0130sim<\/th>\nMiktar<\/th>\nTeknik Gereksinimler<\/th>\nAksesuarlar<\/th>\n<\/tr>\n<\/thead>\n
Mikrodalga Sindirim Sistemi<\/td>\n1 set<\/td>\nPlatin direnci ve k\u0131z\u0131l\u00f6tesi s\u0131cakl\u0131k \u00f6l\u00e7\u00fcm\u00fc ile donat\u0131lm\u0131\u015ft\u0131r; s\u0131cakl\u0131k kontrol do\u011frulu\u011fu: \u00b1 0.1 \u2103<\/td>\n–<\/td>\n<\/tr>\n
S\u0131cakl\u0131k Kontrollu S\u0131cak Plaka<\/td>\n1 set<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
Elektronik Denge<\/td>\n1 set<\/td>\nHassasiyet: 0.1 mg<\/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
Seri numaras\u0131.<\/th>\n\u0130sim<\/th>\nMiktar<\/th>\nTeknik Gereksinimler<\/th>\nAksesuarlar<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nS\u0131cakl\u0131k Kontrollu S\u0131cak Plaka<\/td>\n1 set<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n
–<\/td>\nhacimli \u015fi\u015fe; Kolorimetrik T\u00fcp<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

2.2 Reagentler<\/h3>\n

2.2.1 Ham Reagentler<\/h4>\n
(A\u015fa\u011f\u0131daki haz\u0131rlanm\u0131\u015f reagenler hari\u00e7 orijinal belgede listelenen \u00f6zel ham reagenler yoktur)<\/div>\n

2.2 Haz\u0131rlanan Reagentler<\/h4>\n
\n
\n\n\n\n\n\n\n
\u0130sim<\/th>\nHaz\u0131rlama Y\u00f6ntemi<\/th>\n<\/tr>\n<\/thead>\n
Nitrik Asit \u00c7\u00f6z\u00fcm\u00fc (1 99)<\/td>\n10 mL nitrik asit \u00f6l\u00e7\u00fcn, yava\u015f yava\u015f 990 mL deiyonla\u015ft\u0131r\u0131lm\u0131\u015f suya ekleyin ve iyi kar\u0131\u015ft\u0131r\u0131n.<\/td>\n<\/tr>\n
Amonyum Klor\u00fcr \u00c7\u00f6z\u00fcm\u00fc (40 g \/ L)<\/td>\n4 g amonyum klor\u00fcr a\u011f\u0131rlay\u0131n, deiyonla\u015ft\u0131r\u0131lm\u0131\u015f suda \u00e7\u00f6z\u00fcn ve iyi kar\u0131\u015ft\u0131r\u0131n.<\/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\u0130sim<\/th>\nTeknik Gereksinimler<\/th>\nNotlar<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\nUlusal S\u0131v\u0131 Referans Malzemesi – Krom<\/td>\nGSB 04-1723-2004 (a); Konsantrasyon: 1000 \u03bcg \/ mL<\/td>\nUlusal Demir Olmayan Metaller ve Elektronik Malzemelerin Analizi ve Test Merkezi taraf\u0131ndan sa\u011flanan<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

3. Operasyon Prosed\u00fcr\u00fc<\/h2>\n

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

3.1.1 Test \u00c7\u00f6z\u00fcm\u00fcn\u00fcn Haz\u0131rlanmas\u0131<\/h4>\n
\u00d6rnek \u00d6n Tedavi: Otomobil tekerlek merkezini safla\u015ft\u0131r\u0131lm\u0131\u015f suyla temizleyin, kuruyun ve y\u00fczey \u00fcst katman\u0131, kaplama boyas\u0131n\u0131 ve bir kaz\u0131c\u0131 ile primer ay\u0131r\u0131n. \u00d6rne\u011fin 0,2 g'ini (elektronik bir dengede) politetrafluoroetilen (PTFE) sindirim tank\u0131na a\u011f\u0131rlay\u0131n, 7 mL nitrik asit ve 2 mL hidrojen peroksit ekleyin, sindirim tank\u0131n\u0131 kapat\u0131n ve sindirim i\u00e7in mikrodalga sindirim sistemine yerle\u015ftirin. Sindirimden sonra, tank\u0131 so\u011futun, \u00e7\u0131kar\u0131n ve \u00e7\u00f6z\u00fcm hacmi yakla\u015f\u0131k 1 mL'ye azalana kadar 160 \u2103 da asit s\u00fcr\u00fc\u015f\u00fc i\u00e7in s\u0131cakl\u0131k kontroll\u00fc bir s\u0131cak plakaya yerle\u015ftirin. \u00c7\u00f6z\u00fcm\u00fc 25 mL kolorimetrik t\u00fcp\u00fcne deiyonla\u015ft\u0131r\u0131lm\u0131\u015f suyla aktar\u0131n, deiyonla\u015ft\u0131r\u0131lm\u0131\u015f suyla i\u015faretlenmi\u015f hacme seyreltin, iyi sallay\u0131n ve test i\u00e7in ay\u0131r\u0131n.<\/div>\n


<\/p>\n

Mikrodalga Is\u0131tma Program\u0131<\/div>\n


<\/p>\n

\n
\n\n\n\n\n\n\n\n\n\n
Ad\u0131m<\/th>\nS\u0131cakl\u0131k (\u2103)<\/th>\nTutma S\u00fcresi (min)<\/th>\n<\/tr>\n<\/thead>\n
1<\/td>\n–<\/td>\n3<\/td>\n<\/tr>\n
2<\/td>\n130<\/td>\n3<\/td>\n<\/tr>\n
3<\/td>\n150<\/td>\n3<\/td>\n<\/tr>\n
4<\/td>\n170<\/td>\n–<\/td>\n<\/tr>\n
5<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n


<\/p>\n

Not: Sindirilen \u00f6rnekte k\u00fc\u00e7\u00fck miktarda flokulent \u00e7\u00f6z\u00fcnmez madde varsa, alette test etmeden \u00f6nce 0,45 \u03bcm filtre zar\u0131ndan filtre edin.<\/div>\n

3.1.2 Standart \u00c7\u00f6z\u00fcmlerin Haz\u0131rlanmas\u0131<\/h4>\n
    \n
  1. Krom Standart Serisinin Haz\u0131rlanmas\u0131:
    0,0 mL, 0,1 mL, 0,2 mL ve 0,3 mL krom standart stok \u00e7\u00f6z\u00fcm\u00fcn\u00fc (1000 \u03bcg\/mL) s\u0131ras\u0131yla 100 mL hacimli \u015fi\u015felere do\u011fru bir \u015fekilde pipetleyin. Her kolba 5 mL 40 g\/L amonyum klor\u00fcr \u00e7\u00f6z\u00fcm\u00fc ekleyin, i\u015faretlenmi\u015f hacme nitrik asit \u00e7\u00f6z\u00fcm\u00fc ile seyreltin (99) ve 0,0 \u03bcg\/mL, 1,0 \u03bcg\/mL, 2,0 \u03bcg\/mL ve 3,0 \u03bcg\/mL konsantrasyonlar\u0131nda krom standart serisi \u00e7\u00f6z\u00fcmleri elde edin.<\/li>\n<\/ol>\n

    3.2 \u00d6rnek Testi<\/h3>\n
      \n
    1. Test Ko\u015fullar\u0131
      Alev Atomik Emme Spektrofotometri Tespiti i\u00e7in Referans Ko\u015fullar\u0131<\/li>\n<\/ol>\n


      <\/p>\n

      \n
      \n\n\n\n\n\n\n
      Dalga Uzunlu\u011fu (nm)<\/th>\n\u00c7elik Geni\u015fli\u011fi<\/th>\nLamba Ak\u0131m\u0131 (mA)<\/th>\nGaz Ak\u0131\u015f H\u0131z\u0131<\/th>\nArka plan d\u00fczeltmesi<\/th>\n<\/tr>\n<\/thead>\n
      357.9<\/td>\n0.22<\/td>\n8<\/td>\n2500<\/td>\nHi\u00e7bir<\/td>\n<\/tr>\n
      (Ek Parametreler)<\/td>\n4.0<\/td>\n–<\/td>\n–<\/td>\n–<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n


      <\/p>\n

        \n
      1. \u00d6rnek testi
        Aleti optimal \u00e7al\u0131\u015fma durumuna ayarlay\u0131n, alevi ate\u015fleyin, yak\u0131t gaz\u0131 ak\u0131\u015f h\u0131z\u0131n\u0131 ayarlay\u0131n, bo\u015f \u00e7\u00f6z\u00fcm\u00fc, standart seri \u00e7\u00f6z\u00fcmlerini ve \u00f6rnek \u00e7\u00f6z\u00fcmlerini s\u0131ras\u0131yla test edin, verileri okuyun, \u00f6rnek a\u011f\u0131rl\u0131\u011f\u0131n\u0131 girin ve sonu\u00e7lar\u0131 kontrol edin ve kaydedin.<\/li>\n<\/ol>\n<\/div>","protected":false},"excerpt":{"rendered":"

        1. Method Overview The wheel hub is cleaned with purified water, dried, and its surface topcoat, coating paint, and primer are scraped off with a scraper. Microwave digestion is adopted, and the concentration of chromium is determined by flame atomic absorption spectrometry at a wavelength of 357.9 nm. 2. Instruments and Reagents 2.1 Instruments and […]<\/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":[36,77],"tags":[],"class_list":["post-3912","post","type-post","status-publish","format-standard","hentry","category-applications","category-bio-tech-and-life-sciences"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/posts\/3912","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=3912"}],"version-history":[{"count":0,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/posts\/3912\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/media?parent=3912"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/categories?post=3912"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pgeneral.com\/tr\/wp-json\/wp\/v2\/tags?post=3912"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}