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- E-ISSN 2288-8985
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- P-ISSN1225-0163
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The role of matrix modifier and for the determination of cadmium in blood by graphite furnace atomic absorption spectrometry
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1995, v.8 no.1, pp.9-16
Yoo,
K., Kim,
C., &
Kwon,
J.
(1995). The role of matrix modifier and for the determination of cadmium in blood by graphite furnace atomic absorption spectrometry. Analytical Science and Technology, 8(1), 9-16.
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Abstract
The low concentration of cadmium in the whole-blood was determined by graphite furnace atomic absorption spectrometry(GFAAS) after the sample was diluted five-fold by 1% Triton X-100, 2% <TEX>$(NH_4)_2HPO_4$</TEX> as matrix modifier and pyrocoated graphite tube with L'vov platform was tried remove the interferences of blood matrix and reduce the loss of volatility of cadmium at higher ashing temperature(<TEX>$600^{\circ}C$</TEX>). The criteria for evaluating the accuracy and precision of this analysis was confirmed by analysis of interlaboratory comparison(Japan) and NIST SRM No. 909(Cd in Serum). The limit of the determination for cadium was 0.1ng/ml and the relative standard deviation(RSD) at 1.0ng/ml level was about 10% for the GFAAS.
- keywords
- Cadmium, blood, graphite furnace AAS, L'vov platform
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