분석과학 (Analytical Science and Technology)

  • 제25권1호
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  • Pages.39-49
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  • 2012
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  • 1225-0163(pISSN)
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  • 2288-8985(eISSN)
한국분석과학회 (The Korean Society of Analytical Sciences)
권호 표지
DOI QR코드

DOI QR Code

HS-SPME-GC/MS에 의한 지표수에서 ng/L 농도 수준의 37개 휘발성유기화합물의 동시 분석

Simultaneous determination of 37 volatile organic compounds at ng/L concentration level in surface water by HS-SPME-GC/MS

  • 김태승 (국립환경과학원 금강물환경연구소) ;
  • 홍석영 (국립환경과학원 금강물환경연구소) ;
  • 김종은 (충청남도 홍성군청) ;
  • 임현희 (공주대학교 환경과학과) ;
  • 신호상 (공주대학교 환경교육과)
  • Kim, Tae-Seung (Geum River Environment Research Center, National Institute of Environmental Research) ;
  • Hong, Suk-Young (Geum River Environment Research Center, National Institute of Environmental Research) ;
  • Kim, Jong-Eun (Environmental Waterworks Division, Hong-Seong County Office) ;
  • Lim, Hyun-Hee (Department of Environmental Education, Kongju National University) ;
  • Shin, Ho-Sang (Department of Environmental Science, Kongju National University)
  • 투고 : 2011.09.22
  • 심사 : 2011.12.16
  • 발행 : 2012.02.25
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초록

HS-SPME GC-MS에 의한 지표수 중에 37개 휘발성유기물질을 동시에 분석하는 방법을 개발하였다. 이 방법은 물 중 휘발성유기물질을 헤드스페이스 vial에서 $40 ^{\circ}C$에서 30분간 가열 85 ${\mu}m$ carboxen-polydimethylsiloxane에 흡착시키는 방법이다. 4.0 mL의 물 시료를 사용하여 확립한 조건하에서 정량한계는 4.1-96 ng/L의 범위를 나타냈고 이러한 검출한계는 US EPA 또는 독일에서 확립한 준거치의 1/10 이하 값을 만족시켰으며 0.05 ${\mu}g/L$와 0.50 ${\mu}g/L$의 농도에서 정밀도는 15% 이내를 보였다. 이 정량한계는 준거치를 결정하기 위한 조사연구에서 요구하는 최소 감도이다. 확립한 방법을 사용하여 금강물 16개 시료를 분석한 결과 16개 휘발성유기화합물이 검출되었으며 측정값은 US EPA 또는 독일에서 확립한 준거치 이하의 값을 보였다.

A method to detect 37 volatile organic compounds (VOCs) in surface water was described based on headspace solid-phase micro extraction and gas chromatography-mass spectrometry. VOCs in water were vaporized for 30 min at 40 $^{\circ}C$ in a headspace vial and adsorbed on 85 ${\mu}m$ carboxen-polydimethylsiloxane. Under the established condition, the lowest quantification limit was 4.1-96 ng/L by using 4.0 mL water sample, and the relative standard deviation was less than 15% at concentrations of 0.05 and 0.50 ${\mu}g/L$. The detection limits meet lower concentration than 1/10 of the water quality criteria for VOCs established by the US EPA or Germany. The LOQ is a sensitivity which the monitoring for the establishing water quality criteria requires. When the proposed method was used to analyze the target compounds in sixteen surface water samples and total 16 VOCs were detected in surface water samples collected from Gum-River. Maximum concentrations of VOCs detected were not exceeded the EPA or Germany guidelines in any of the samples.

키워드

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피인용 문헌

  1. Determination of volatile organic compounds including alcohols in refill fluids and cartridges of electronic cigarettes by headspace solid-phase micro extraction and gas chromatography–mass spectrometry vol.409, pp.5, 2017, https://doi.org/10.1007/s00216-016-0049-0