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  • P-ISSN1225-0163
  • E-ISSN2288-8985
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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

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25권 6호
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HPLC-ICPMS를 이용한 셀레늄 화학종의 연구에서 화학적 및 광화학적 수소화물 발생법의 비교

Comparison of chemical and photochemical generation of hydrides in Se speciation study with HPLC-HG-ICPMS

분석과학 / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
2012, v.25 no.6, pp.339-344
https://doi.org/10.5806/AST.2012.25.6.339
지하나 (한국교원대학교)
박용남 (한국교원대학교)
지하나, & 박용남. (2012). HPLC-ICPMS를 이용한 셀레늄 화학종의 연구에서 화학적 및 광화학적 수소화물 발생법의 비교. , 25(6), 339-344, https://doi.org/10.5806/AST.2012.25.6.339

Abstract

In this research, hydride generation in HPLC-ICPMS for the selenium speciation was investigated. Chemical and photochemical vapor generation techniques were compared for the effective generation of selenium vapour. HBr/KBrO3 was used for the chemical reduction and a UV lamp was used for the photochemical reduction. It was found out that the photochemical reduction was more effective than the chemical reduction in all of selenium species studied. The optimum conditions for the generation of vapour are 0.4% KI, 2.5%NaBH4, and 1.0 M HCl. The enhancement factor using a photochemical hydride generation was from 6.3 to 16.7 times for inorganic and organic selenium species.

keywords
Se, Se speciation, hydride generation, photochemical reduction, HPLC-HG-ICPMS

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