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KMID : 1059520090530030293
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Journal of the Korean Chemical Society
2009 Volume.53 No. 3 p.293 ~ p.301
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The Study on Analytical Method of Lead, Cadmium and Chromium in Copper Metal by Matrix Matching Method of Inductively Coupled Plasma Atomic Emission Spectrometer
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Joo Sung-Kyun
Kim Joon
Cheong Nam-Yong
Lim Kyu-Chual
Choi Young-Hwan
Kim Sang-Kyung
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Abstract
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Analytical results of a fixed concentration of Pb, Cd and Cr in the synthetic copper standard solution (RMs) for using the matrix no matched standard calibration curve at various wavelength by ICP showed that accuracy (140 ～ 1,070% in case of Pb) is very poor at all wavelengths because of the Cu matrix effect. Analytical results of a fixed concentration of Pb, Cd and Cr in the different concentration solutions of Cu showed that found values were on the increase or decrease as the rate of a regular equation as the concentration of Cu was increased. Accuracies by the Cu matching method in the analysis of Pb, Cd and Cr in the synthetic copper standard solution (RMs) were higher than 99.9%.
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KEYWORD
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Cu matching method, Cu matrix effect, Matrix matched standard calibration curve
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