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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Preparation and analysis of lyophilized whole blood as external quality control materials for Pb and Cd determination by graphite furnace atomic absorption spectrometry

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1995, v.8 no.3, pp.273-279
Lee, Kong-Joo
Lim, H.B.
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Abstract

Lyophilized whole blood samples containing various concentrations of Pb and Cd have been prepared as external quality control materials. These materials have been characterized with graphite furnace atomic absorption spectrometry(GFAAS), The optimized conditions for the quantitative determination of Ph and Cd in whole blood using GFAAS were obtained at the ashing temperature of <TEX>$600{\sim}650^{\circ}C$</TEX> with 0.1% ammonium dihydrogen phosphate and 0.1% Triton X-100 as matrix modifier. Homogeniety and stability of the prepared whole blood have been studied at the optimized analytical condition.

keywords
whole blood, elemental analysis, graphite furnace atomic absorption spectrometry(GFAAS)


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