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2012 | 56 | 4 |
Tytuł artykułu

Determination of chromium in biological material by electrothermal atomic absorption spectrometry method

Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Procedure for determination of chromium in biological materials by Zeeman graphite furnace atomic absorption spectrometry method using a' Perkin-Elmer spectrometer equipped with hollow-cathode lamp at 357.9 nm was developed. The samples of animal tissues, food, and feed were digested in muffle furnace at 450°C. The ash was dissolved in 1 N hydrochloric acid and the final solution was diluted in 0.2% nitric acid. Magnesium nitrate (1%) was used as a matrix modifier. The method was validated in terms of basic analytical parameters. The mean recoveries of chromium was 84.4% for muscle, 79.0% for canned meat, and 80.2% for feed, and analytical detection limit was 0.003 µg/g. Certified reference materials were used for analytical quality assurance. The proposed analytical procedure is well adapted for monitoring chromium content in food and feedstuffs. Content of total chromium in the tested samples (animal muscles and liver) was low and was situated in the range of 0.031-0.101 mg/kg (muscles) and 0.047-0.052 mg/kg (liver).
Słowa kluczowe
EN
Wydawca
-
Rocznik
Tom
56
Numer
4
Opis fizyczny
p.585-589,ref.
Twórcy
autor
  • Department of Pharmacology and Toxicology, National Veterinary Research Institute, 24-100 Pulawy, Poland
autor
  • Department of Pharmacology and Toxicology, National Veterinary Research Institute, 24-100 Pulawy, Poland
Bibliografia
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  • 18. Miller-Ihli N.J., Greene F.E.: Graphite furnace atomic absorption spectrometry for the determination of chromium in foods and biological materials. J AOAC Int 1992, 75, 354-359.
  • 19. Monteiro M.I.C., Avila A.K., Neumann R.: Determination of chromium by electrothermal atomic absorption spectrometry in waters using a forked platform and co- injection of Mg as chemical modifier. Anal Chim Acta 2001, 428, 265-278.
  • 20. Nunes B.R., Magalhães C.G., da Silva J.B.B.: Fast determination of chromium in human serum by electrothermal atomic absorption spectrometry. J Anal At Spectrom 2002, 17, 1335-1338.
  • 21. Pechova A., Pavlata L.: Chromium as an essential nutrient: a review. Vet Med (Praha) 2007, 52, 1-18.
  • 22. Ramesh Kumar A., Riyazuddin P.: Comparative study of analytical methods for determination of chromium in groundwater samples containing iron. Microchem J 2009, 93, 236-241.
  • 23. Panichev N., Mandiwana K., Kataeva M., Siebert S.: Determination of Cr(VI) in plants by electrothermal atomic absorption spectrometry after leaching with sodium carbonate. Spectrochim Acta B 2005, 60, 699- 703.
  • 24. Peterson R.L., Banker K.J., Garcia T.Y., Works C.F.: Isolation of novel chromium(III) binding protein from bovine liver tissue after chromium(VI) exposure. J Inorg Biochem 2008, 102, 833-841.
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  • 27. Xiao-Yi Wu, Yu-Feng Yang: Heavy metal (Pb, Co, Cd, Cr, Cu, Fe, Mn and Zn) concentrations in harvest-size white shrimp Litopeaens vannmei tissues from aquaculture and wild source. J Food Comp Anal 2011, 24, 62-65.
Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.agro-24ddd9ee-992c-431a-9322-12d25919da61
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