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KMID : 1024520030120010081
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Journal of the Environmental Sciences
2003 Volume.12 No. 1 p.81 ~ p.86
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A Study on Analytical Method of Phthalate Esters in Water by SPE(Solid-Phase-Extraction)
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Hong Sung-Hee
Han Gae-Hee
Lee Chan-Hyung
Lee Shun-Hwa
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Abstract
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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 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 =0.9975) in the range 0.01~0.50mg/L, and the detection limits were below 0.01~0.03/L. The recovery rates, RSD and MDLs for phthalate esters were 80~114%, 5.0~8.1% and 0.03~0.11/L, respectively. This method shows a good precision of phthalate esters.
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KEYWORD
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Phthalate esters, Endocrine disrupter, GC/MS-SIM, Solid phase extraction
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