Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Analysis of Chloride with the Moderate Power Helium Microwave Induced Plasma by Generating Volatile Gas Generation

중급출력 헬륨 마이크로파 유도 플라즈마를 이용한 염소이온의 분석

  • Yong-Nam Park (Department of Chemistry Education, Korea University) ;
  • Heoungbin Lim (Inorganic Analytical Laboratory, Korea Research Institute of Standards and Science) ;
  • Chang-Joon Park (Inorganic Analytical Laboratory, Korea Research Institute of Standards and Science) ;
  • Kwang-Woo Lee (Inorganic Analytical Laboratory, Korea Research Institute of Standards and Science)
  • 박용남 (한국교원대학교 화학교육과) ;
  • 임흥빈 (한국표준과학연구원 무기분석실) ;
  • 박창준 (한국표준과학연구원 무기분석실) ;
  • 이광우 (한국표준과학연구원 무기분석실)
  • Published : 1992.04.20
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Abstract

Traces of Chloride in aqueous solution was converted to volatile HCl or $Cl_2$ by acids to be analyzed by the moderate power (500W) Helium Microwave Induced Plasma. Optimum conditions were obtained and the detection limit was found to be 4.3 ppm which is about ten times more sensitive compared to the direct analysis of aqueous samples. In addition to the batch type, a continuous type analysis was studied as well.

수용액내의 염소원소를 산을 이용하여 휘발성인 HCl이나 염소기체로 바꾼 뒤 중급출력(500W) 헬륨 마이크로파 유도 플라즈마를 이용하여 분석하였다. 최적 조건들을 구한 후 시료용액을 분석한 결과 검출한계는 4.3ppm으로서 용액을 직접분석하였을 때보다 10배 정도 더 민감하였다. 회분법 대신 연속적으로 분석하는 방법에 대해서도 연구하였다.

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