Analytical Science and Technology (분석과학)

The Korean Society of Analytical Sciences (한국분석과학회)
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Determination of phenols in water by derivatization and GC/MS

유도체화와 GC/MS를 이용한 물중의 페놀류 분석

  • Park, Gyo-Beom (Center for Chemical Analysis Korea Research Institute of Chemical Technology) ;
  • Lee, Sueg-Geun (Center for Chemical Analysis Korea Research Institute of Chemical Technology)
  • 박교범 (한국화학연구원 화학분석센터) ;
  • 이석근 (한국화학연구원 화학분석센터)
  • Received : 2005.07.13
  • Accepted : 2005.11.11
  • Published : 2005.12.26
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Abstract

Phenol compounds in water were simultaneously analyzed by extractive derivatization. Aqueous solution was controlled to pH 13 with sodium hydroxide, and then $500{\mu}L$ of benzoyl chloride was added to the solution. The solution was shaken for 15 minutes and extracted with diethyl ether and then analyzed using GC/MS-SIM. The calibration curves of phenolic compounds in the range of 0.05 to $5.0{\mu}g/mL$ showed a good linearity having the correlation coefficient of $r^2=0.9915$ and standard deviation of ${\leq}8.5%$, respectively. The recoveries by this method ware 58.4-114.0%.

물중에 존재하는 11종의 페놀류를 benzoyl chloride를 사용하여 물에서 직접 유도체화한 후 추출하여 동시 분석하였다. 즉, 수용액 시료에 수산화나트륨 용액을 가하여 pH 13으로 조절한 다음 여기에 benzoyl chloride를 $500{\mu}L$을 가하여 15분간 흔들어 반응시키고 정치한 후 diethyl ether로 추출하여 GC/MS-SIM으로 정량하였다. 검량선은 $0.05-5.0{\mu}g/mL$ 농도범위에서 상관계수가 $r^2=0.9915$로 직선성이 좋았으며 상대표준편차는 8.5% 이하였고 이 방법의 회수율은 58.4-114.0% 이었다.

Keywords

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