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http://dx.doi.org/10.5806/AST.2012.25.6.402

Analytic study on arsenic content in plastic materials  

Lee, Jae-In (Test & Standardization Center, Korea Institute of Ceramic Eng. & Tech.)
Choi, Zel-Ho (Test & Standardization Center, Korea Institute of Ceramic Eng. & Tech.)
Choi, Ki-In (Test & Standardization Center, Korea Institute of Ceramic Eng. & Tech.)
Ko, Byung-Rae (Korea Conformity Laboratories)
Choi, In-Suk (Korea Conformity Laboratories)
Cho, Hun-Sik (Korea Conformity Laboratories)
Publication Information
Analytical Science and Technology / v.25, no.6, 2012 , pp. 402-409 More about this Journal
Abstract
Quantitative analytical condition for arsenic in plastic materials by the flow injection-hydride generation-inductively coupled plasma-atomic emission spectrometry was studied. The plastic samples were dissolved by wet-acid digestion method and microwave-acid digestion method. The reproducibility and accuracy in this method was verified using of certified reference materials(CRMs) CRM-EC680k and CRM-EC681k. The analyical results agrees with certified value within the range of uncertainty. The results of CRM-EC680k wer 4.1~4.3 mg/kg (certified value $4.1{\pm}0.5$ mg/kg), and the results of CRM-EC681k were 28.9~30.6 mg/kg (certified value $29.1{\pm}1.8$ mg/kg).
Keywords
arsenic; HG-ICP-AES; HG-AAS; wet-acid digestion method; microwave digestion method;
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