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2011•Chinese Journal of Health Laboratory TechnologyRequires access

Simultaneous determination of 10 volatile halogenated hydrocarbons in drinking water by headspace-capillary gas chromatography

Jiawei Shi

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Abstract

Objective:To establish headspace-capillary gas chromatography for the determination of 10 volatile halogenated hydrocarbons in drinking water.Methods:Samples were saturated with NaCl,headspace-balanced at 50℃ for 35 min,determined by GC-electron capture detector(ECD) and quantified by external standard method.Results:The recoveries of the method were in the range of 81.3%~113.3%.The relative standard deviation was between 1.91%~10.2%.The detection limit was between 0.1 μg/L~0.4 μg/L.Conclusion: This method is simple,accurate,sensitive and suitable for the analysis of 10 volatile halogenated hydrocarbons in drinking water.

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What this paper is about

Objective:To establish headspace-capillary gas chromatography for the determination of 10 volatile halogenated hydrocarbons in drinking water.Methods:Samples were saturated with NaCl,headspace-balanced at 50℃ for 35 min,determined by GC-electron capture detector(ECD) and quantified by external standard method.Results:The recoveries of the method were in the range of 81.3%~113.3%.The relative standard deviation was between 1.91%~10.2%.The detection limit was between 0.1 μg/L~0.4 μg/L.Conclusion: This method is simple,accurate,sensitive and suitable for the analysis of 10 volatile halogenated hydrocarbons in drinking water.

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Available abstract

Objective:To establish headspace-capillary gas chromatography for the determination of 10 volatile halogenated hydrocarbons in drinking water.Methods:Samples were saturated with NaCl,headspace-balanced at 50℃ for 35 min,determined by GC-electron capture detector(ECD) and quantified by external standard method.Results:The recoveries of the method were in the range of 81.3%~113.3%.The relative standard deviation was between 1.91%~10.2%.The detection limit was between 0.1 μg/L~0.4 μg/L.Conclusion: This method is simple,accurate,sensitive and suitable for the analysis of 10 volatile halogenated hydrocarbons in drinking water.

Key concepts: Gas chromatography, Chemistry, Chromatography, Electron capture detector, Detection limit, Capillary gas chromatography, Relative standard deviation, Capillary action

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