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http://dx.doi.org/10.5806/AST.2007.20.1.041

Analytic study on lead and cadmium in glass materials  

Choi, Zel-Ho (General Test & Analysis Center, Korea Institute of Ceramic Eng. & Tech.)
Ko, Jae-Kwon (General Test & Analysis Center, Korea Institute of Ceramic Eng. & Tech.)
Publication Information
Analytical Science and Technology / v.20, no.1, 2007 , pp. 41-48 More about this Journal
Abstract
The determination method for the trace lead and cadmium in glass materials was developed by ICP-AES. The lead- and cadmium-DDTC chelates were formed by adding Na-DDTC (sodium diethyldithiocarbamate) as a chelating agent and extracted into MIBK (methyl-isobutyl ketone). Direct measuring of the trace lead and cadmium in glass was not possible because of the interferences of matrix elements as Na, Si, Mg and Ca of glasses unless solvent extraction of lead and cadmium was applied. This procedure was confirmed to be valid quantitative method of Pb and Cd analysis in glass did not influence of sample matrix, by applying it procedure to artifact sample and NIST SRM 1412.
Keywords
Lead; Cadmium; Na-DDTC; solvent extraction; interferences of matrix elements;
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