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Analytic study on arsenic content in plastic materials
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2012, v.25 no.6, pp.402-409
https://doi.org/10.5806/AST.2012.25.6.402
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(2012). Analytic study on arsenic content in plastic materials. Analytical Science and Technology, 25(6), 402-409, https://doi.org/10.5806/AST.2012.25.6.402
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Abstract
연속흐름 수소화물 생성-유도결합 플라스마 원자 방출 분광기(FI-HG-ICP-AES) 이용하여 플라스틱 소재에 함유된 비소를 정량하기 위한 조건을 얻었다. 플라스틱 시료를 습식 산 분해 방법 및 마이크로파 산 분해 방법으로 전처리하여 시험 용액을 조제하였다. 인증표준물질(CRM)인 CRM-EC680k 및CRM-EC681k를 사용하여 측정한 값과 인증값을 비교하여 분석 방법의 재현성 및 정확성을 확인하였다. 습식 산 분해 방법 및 마이크로파 산 분해 방법으로 전처리하여 FI-HG-ICP-AES로 측정한 결과 CRMEC680k의경우에는 4.1~4.3 mg/kg (인증값 4.1±0.5 mg/kg)이고, CRM-EC681k의 경우에는 28.9~30.6 mg/kg (인증값 29.1±1.8 mg/kg)이었다.
- keywords
- arsenic, HG-ICP-AES, HG-AAS, wet-acid digestion method, microwave digestion method
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