Gas Chromatography-Mass Spectrometric Determination of Volatile Organic Compounds in Groundwater with Purge and Trap Sampling

LI Yi; DONG Jian-fang; ZHANG Yu

Rock and Mineral Analysis > 2010 > 29(5): 513-517.

LI Yi, DONG Jian-fang, ZHANG Yu. Gas Chromatography-Mass Spectrometric Determination of Volatile Organic Compounds in Groundwater with Purge and Trap Sampling[J]. Rock and Mineral Analysis, 2010, 29(5): 513-517.

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Gas Chromatography-Mass Spectrometric Determination of Volatile Organic Compounds in Groundwater with Purge and Trap Sampling

1.
Hebei Institute of Environmental Geological Exploration, Shijiazhuang 050021, China
2.
Hebei Institute of Environmental Geological Exploration, Shijiazhuang 050021, China
3.
College of Geoscience and Surveying Engineering, China University of Mining & Technology, Beijing 100083, China

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Received Date: January 17, 2010
Revised Date: June 02, 2010

Abstract

ABSTRACT

A method was developed for simultaneous detection of more than 20 volatile organic compounds (VOCs) including halogenated hydrocarbons, benzene series compounds, aromatic hydrocarbons and chlorinated benzenes in groundwater by gas chromatography-mass spectrometry with purge and trap sampling. The experimental conditions of purge and trap sampling and gas chromatography-mass spectrometric determination were optimized. The detection limits of the method for the volatile organic compounds were 0.03~0.28 μg/L. The recovery rates were 88.8%~111.0% with precision of 2.21%~5.31%RSD (n=7). The results show that the method is sensitive, accurate and suitable for the determination of trace VOCs in groundwater.
- purge,
- and,
- trap,
- gas

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References (19)

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