Journal of Korean Society of Environmental Engineers (대한환경공학회지)

Korean Society of Environmental Engineers (대한환경공학회)
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Deconvolution of UV Spectrum for Selective Measurement of $ClO_2$ Concentration Quantitatively in Solution Containing Various Chlorine Species

다양한 염소 종이 함유된 수용액에서 자외선 흡수 파장 분해법을 이용한 이산화염소 선별 정량 분석

  • Byun, Youngchul (Environment Research Department, Research Institute of Industrial Science & Technology (RIST)) ;
  • Kim, Jaehoon (Environment Research Department, Research Institute of Industrial Science & Technology (RIST)) ;
  • Jang, Yumi (Environment Research Department, Research Institute of Industrial Science & Technology (RIST)) ;
  • Lee, Kiman (Environment Research Department, Research Institute of Industrial Science & Technology (RIST)) ;
  • Lee, Jae Myeong (Environment Research Department, Research Institute of Industrial Science & Technology (RIST)) ;
  • Shin, Dong Nam (Environment Research Department, Research Institute of Industrial Science & Technology (RIST))
  • 변영철 (포항산업과학연구원 환경연구실) ;
  • 김재훈 (포항산업과학연구원 환경연구실) ;
  • 장유미 (포항산업과학연구원 환경연구실) ;
  • 이기만 (포항산업과학연구원 환경연구실) ;
  • 이재명 (포항산업과학연구원 환경연구실) ;
  • 신동남 (포항산업과학연구원 환경연구실)
  • Received : 2012.04.15
  • Accepted : 2012.11.20
  • Published : 2012.11.30
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Abstract

An ultraviolet (UV) absorption method has a difficulty to analyze $ClO_{2(aq)}$ in solutions containing various chlorine species because UV spectrum of $ClO_{2(aq)}$ overlaps with other chlorine-containing species. This study has proposed the deconvolution method of UV spectrum to analyze $ClO_{2(aq)}$ concentration quantitatively in solution containing various chlorine species. We compared results obtained from UV deconvolution method with titration method. Good agreement of $ClO_{2(aq)}$ concentration between them has been shown in about 10%. This result informs us that the deconvolution method of UV spectrum could be a feasible for the analysis of $ClO_{2(aq)}$ in solution containing various chlorine species.

$ClO_{2(aq)}$ 분석 방법 중 하나인 UV 흡수법은 여러 염소종이 함유된 용액에서는 흡수 파장 겹침 현상으로 분석에 어려움이 있다. 이러한 문제를 극복하고자 UV 파장 분해법을 이용한 다양한 염소종이 함유된 용액의 $ClO_{2(aq)}$ 농도 정량법을 제안하였다. UV 파장 분해법을 이용한 $ClO_{2(aq)}$ 농도 값은 적정법을 이용한 $ClO_{2(aq)}$ 농도 값과 10%내에서 일치하였다. 따라서 다양한 염소 종들이 포함된 시료에서도 제안된 UV 파장 분해법을 적용한다면 $ClO_{2(aq)}$의 선택적 분석이 가능하다는 것을 알 수 있었다.

Keywords

Acknowledgement

Supported by : 한국에너지 기술평가원(KETEP)

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