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A Study on Analytical Method of Phthalate Esters in Water by SPE(Solid-Phase-Extraction)

고체상 추출법을 이용한 Phthalate Esters의 분석방법 연구

  • 홍성희 (대구광역시 보건환경연구원) ;
  • 한개희 (대구광역시 보건환경연구원) ;
  • 이찬형 (대구광역시 보건환경연구원) ;
  • 이순화 (영남대학교 환경공학과)
  • Published : 2003.01.01

Abstract

The study was carried out to evaluate the new analytical method of phthalate esters(diethylphthalate, di-n-butylphthalate, butylbenzylphthalate, bis(2-ethylhexyl)phthalate), one of the endocrine disruptors, which were performed by GC/MS-SIM(selected ion monitoring). The phthalate esters were extracted from water samples using solid-phase extraction on $C_{18}$ columns. It investigated that the extraction recovery rate of phthalate esters with different solvents and solvent volume. The optimal solvent was dichloromethane and proper volume of dichloromethane for recovery of phthalate esters was 4 mL. There were good linearities(above $R^2$=0.9975) in the range 0.01~0.50mg/L, and the detection limits were below 0.01~0.03$\mu\textrm{g}$/L. The recovery rates, RSD and MDLs for phthalate esters were 80~114%, 5.0~8.1% and 0.03~0.11$\mu\textrm{g}$/L, respectively. This method shows a good precision of phthalate esters.

Keywords

Phthalate esters;Endocrine disrupter;GC/MS-SIM;Solid phase extraction

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