대한환경공학회지 (Journal of Korean Society of Environmental Engineers)

  • 제30권1호
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  • Pages.37-44
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  • 2008
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  • 1225-5025(pISSN)
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  • 2383-7810(eISSN)
대한환경공학회 (Korean Society of Environmental Engineers)
권호 표지

IC와 LC-MS를 이용한 퍼클로레이트 분석 방법 비교 및 모니터링

Monitoring and Evaluation of Analytical Methods of Perchlorate with IC and LC/MS

  • Kim, Hwa-Bin (Department of Environment Engineering, Pusan National University) ;
  • Sim, Won-Jin (Department of Environment Engineering, Pusan National University) ;
  • Kim, Min-Young (Department of Environment Engineering, Pusan National University) ;
  • Oh, Jeong-Eun (Department of Environment Engineering, Pusan National University)
  • 발행 : 2008.01.31
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초록

본 연구에서는 퍼클로레이트 분석에 주로 사용되고 있는 IC와 LC/MS를 사용해 퍼클로레이트 분석법을 정립하고 각 분석법의 장단점 및 효율을 파악해 수질 및 토양 시료에서의 퍼클로레이트를 모니터링 하고자 하였다. 각 분석기기를 사용한 최적분석 방법을 정립한 결과 IC에서의 MDL은 1 ppb였으며 LC-MS에서의 MDL은 0.005 ppb였다. 정립된 분석방법으로 부산시 내의 지하수 및 약수터, 하수처리장과 토양 시료를 대상으로 하여 퍼클로레이트 모니터링을 실시하여 퍼클로레이트에 대한 노출정도를 평가하였다. 평균 퍼클로레이트 농도는 약수터에서는 0.013 $\pm$ 0.014 ppb, 지하수 0.031 $\pm$ 0.011 ppb로 나타났고 하수처리장 폐수에서는 0.007$\sim$0.380 ppb의 범위로 퍼클로레이트가 검출되었다. 모든 시료에서의 퍼클로레이트 농도는 EPA 기준인 24.5 ppb 이하로 나타났다.

In this study, we tried to establish analysis methods of perchlorate with ion chromatography(IC) and liquid chromatography/mass spectrometry(LC/MS) and monitored perchlorate levels in various kinds of water and soil samples. The obtained method detection limit(MDL) of IC was 1 ppb and that of LC/MS was 0.005 ppb in water sample. We monitored the ground and spring water in Busan and the average perchlorate level in ground water was 0.031 $\pm$ 0.011 ppb and that of spring water was 0.013 $\pm$ 0.014 ppb. Wastewater samples were also examined and the levels of perchlorate ranged from 0.007 to 0.380 ppb. The perchlorate levels in all water samples investigated in this study were below the EPA guideline.

키워드

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