Simultaneous Determination of 59 Volatile Organic Compounds in Environmental Water Using Headspace Sampling Method Coupled to Gas Chromatography-Mass Spectrometry

ZHAN Mei-jun; LAI Yong-zhong

doi:10.16495/j.1006-3757.2016.04.010

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Article Navigation > Analysis and Testing Technology and Instruments > 2016 > 22(4): 250-260

ZHAN Mei-jun, LAI Yong-zhong. Simultaneous Determination of 59 Volatile Organic Compounds in Environmental Water Using Headspace Sampling Method Coupled to Gas Chromatography-Mass Spectrometry[J]. Analysis and Testing Technology and Instruments, 2016, 22(4): 250-260. doi: 10.16495/j.1006-3757.2016.04.010

Citation:

ZHAN Mei-jun, LAI Yong-zhong. Simultaneous Determination of 59 Volatile Organic Compounds in Environmental Water Using Headspace Sampling Method Coupled to Gas Chromatography-Mass Spectrometry[J]. Analysis and Testing Technology and Instruments, 2016, 22(4): 250-260. doi: 10.16495/j.1006-3757.2016.04.010

Citation:

ZHAN Mei-jun, LAI Yong-zhong. Simultaneous Determination of 59 Volatile Organic Compounds in Environmental Water Using Headspace Sampling Method Coupled to Gas Chromatography-Mass Spectrometry[J]. Analysis and Testing Technology and Instruments, 2016, 22(4): 250-260. doi: 10.16495/j.1006-3757.2016.04.010

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Simultaneous Determination of 59 Volatile Organic Compounds in Environmental Water Using Headspace Sampling Method Coupled to Gas Chromatography-Mass Spectrometry

doi: 10.16495/j.1006-3757.2016.04.010

ZHAN Mei-jun,
LAI Yong-zhong^,

Shantou Environmental Monitoring Station, Shantou 515041, Guangdong China

Received Date: 2016-10-20
Rev Recd Date: 2016-11-23
Publish Date: 2016-12-01

Abstract

Abstract

The headspace sampling (HS) method is a simple, environmentally friendly method. The measurement of 59 kinds of volatile organic compounds(VOCs) in environmental water using HS coupled gas chromatography/mass spectrometry (GC/MS) was discussed. Under the optimal headspace sampling conditions, a detector gain of 1.00 kV, a sample salinity of 40%, an equilibrium temperature of 80℃, an equilibrium time of 10 min, an equilibrium pressure of 0.103 4 MPa, a pressure equilibration time of 45 s, a loop equilibration time of 20 s, a loop inject time of 3 min were get up, and the obtained detection limits were 0.06~7.6 μg/L, with r>0.998. The obtained average recovery ratios were 60%~110% (n=6) in spiked samples from drinking source and sewage plants, with a RSD of 0.33%~22% (n=6). The HS-GC/MS method with automatic water pretreatment can be applied to the simultaneous measurement of 59 VOCs in water samples with high efficiency.
- environmental water,
- volatile organic compounds,
- HS-GC/MS

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References(22)

References

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