Quantitative Analysis by Solid-phase Microextraction in Nonequilibrium Situations

Chem. J. Chinese Universities ›› 1999, Vol. 20 ›› Issue (5): 699.

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Quantitative Analysis by Solid-phase Microextraction in Nonequilibrium Situations

WANG Yi-Ru¹, WANG Xiao-Ru¹, Frank S. C. Lee²

1. Department of Chemistry, The Research Laboratory of SEDC of Analytical Science for Material and Life Chemistry, Xiamen University, Xiam en, 361005;
2. Department of Chemistry, HongKong Baptist University, HongKong

Online:1999-05-24 Published:1999-05-24

Abstract

Abstract: Solid-base microextraction technique has the advantages of a high efficiency, sensitivity, sinple operation and solvent free An optical fiber coated with 100μm Ennpolyd ethylsiloxane is used to extract 10 PAHs Since the absorption rate is stable w ithin 60min before equilibrium，the quantitative analysis may be realized in nonequilibrium situations The linear concentration、range from 0. 1μg/L to 100μg/L，the detection lin its are in the range of 0. 01-0. 03μg/L，the recoveries crew ithin 80% and 100%，and relative standard deviatants are below 20% for these PAHs

Key words: Solid-phase microex traction, Polycyclic aromatic hydrocarbon s(PAHs), Gas chromatography-mass spectrometry, Water analysis

CLC Number:

O657

TrendMD:

WANG Yi-Ru, WANG Xiao-Ru, Frank S. C. Lee. Quantitative Analysis by Solid-phase Microextraction in Nonequilibrium Situations[J]. Chem. J. Chinese Universities, 1999, 20(5): 699.

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Quantitative Analysis by Solid-phase Microextraction in Nonequilibrium Situations

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