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Determination of bromide in bottled mineral water and ground water in Korea

먹는 샘물 및 지하수 원수 중 bromide 분석연구

  • Ahn, Hye-Sil (Water Supply and Sewerage Research Division, National Institute of Environmental Research) ;
  • Seo, Kyoung-Ae (Water Supply and Sewerage Research Division, National Institute of Environmental Research) ;
  • Park, Ju-Hyun (Water Supply and Sewerage Research Division, National Institute of Environmental Research) ;
  • Lee, Jun-Bae (Water Supply and Sewerage Research Division, National Institute of Environmental Research) ;
  • Kim, Tae-Seung (Geum River Environment Research Center, Director, National Institute of Environmental Research) ;
  • Han, Jin-Seok (Water Supply and Sewerage Research Division, National Institute of Environmental Research) ;
  • Kwon, Oh-Sang (Water Supply and Sewerage Research Division, National Institute of Environmental Research)
  • 안혜실 (국립환경과학원 상하수도연구과) ;
  • 서경애 (국립환경과학원 상하수도연구과) ;
  • 박주현 (국립환경과학원 상하수도연구과) ;
  • 이준배 (국립환경과학원 상하수도연구과) ;
  • 김태승 (국립환경과학원 금강물환경연구소) ;
  • 한진석 (국립환경과학원 상하수도연구과) ;
  • 권오상 (국립환경과학원 상하수도연구과)
  • Received : 2010.12.24
  • Accepted : 2011.01.14
  • Published : 2011.02.25

Abstract

This study was performed to compare international analytical methods of bromide and applied to determine bromide in bottled mineral water and raw ground water in Korea. Bromide in water was eluted by 10~50 mM potassium hydroxide (KOH) and determined by ion chromatography-suppressed conductivity detector (IC-CD). Sample was purified with Ba- and H-on-guard cartridge and $0.2\;{\mu}m$ membrane filter. The method detection limit (MDL) and the limit of quantitation (LOQ) of bromide were 0.2 and $0.5\;{\mu}g/L$, respectively. The calibration curve showed good lineality above 0.9993 in the ranges of the $0.5\sim80\;{\mu}g/L$. A correlation coefficient of bromide in ground water and sum of bromide and bromate in bottled mineral water is 0.808.

Acknowledgement

Supported by : 국립환경과학원

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