Determination of Pentachlorophenol in Human Urine by Homemade Ionic liquid Solid-phase Microextraction Coating

doi:10.3724/SP.J.1095.2013.20169

Chinese Journal of Applied Chemistry

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Determination of Pentachlorophenol in Human Urine by Homemade Ionic liquid Solid-phase Microextraction Coating

HU Qinglan

(School of Chemistry and Life Sciences,Hubei University of Education,Wuhan 430205,China)

Received:2012-04-24 Revised:2012-05-25 Online:2013-03-10 Published:2013-03-10
Contact: hu

Abstract

Abstract: A new method for the determination of pentachlorophenol(PCP) in human urine has been developed by headspace solid-phase microextraction with gas chromatography(HS-SPME-GC). A homemade ionic liquid(IL) bonded coating solid-phase microextraction was added by the sol-gel method. The extraction conditions were optimized as the extraction temperature of 80 ℃， extraction time of 50 min by headspace, desorption time of 5 min at 300 ℃, NaCl amount of 3 g, pH of 2 and under stirring. The detection limits was 5.0 ng/L. The linear range was 0.05～100 μg/L. The relative standard deviations(RSD) was 5.9%. The recovery was 106.6%.

Key words: solid- phase microextraction, gas chromatography, sol-gel method, pentachlorophenol, urine

CLC Number:

O657.7

HU Qinglan. Determination of Pentachlorophenol in Human Urine by Homemade Ionic liquid Solid-phase Microextraction Coating[J]. Chinese Journal of Applied Chemistry, DOI: 10.3724/SP.J.1095.2013.20169.

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Determination of Pentachlorophenol in Human Urine by Homemade Ionic liquid Solid-phase Microextraction Coating

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