PT-GC-MS法测定水中54种挥发性有机物

武法伟<sup>1</sup>; 袁鹏辉<sup>1*</sup>; 陈明晓<sup>1; 2</sup>; 董军<sup>1</sup>; 高帅<sup>1</sup>

引用本文:	武法伟，袁鹏辉，陈明晓，董军，高帅.PT-GC-MS法测定水中54种挥发性有机物[J].环境监控与预警,2017,9(4):26-31
	WU Fa wei, YUAN Peng hui,CHEN Ming xiao, DONG Jun, GAO Shuai.Study on the 54 Kinds of Volatile Organic Compounds in Water by Purg and Trap Coupled with Gas Chromatography Mass Spectrometry[J].Environmental Monitoring and Forewarning,2017,9(4):26-31

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PT-GC-MS法测定水中54种挥发性有机物
武法伟，袁鹏辉，陈明晓，董军，高帅^1,2
1.山东省地矿工程勘察院山东济南 250014;2. 中国石油大学，重质油国家重点实验室，北京 102249

摘要:

建立了同时测定水中54种挥发性有机物（VOC_s）的吹扫捕集-气相色谱-质谱联用法，并对吹扫捕集条件进行了优化。优化后的方法，54种VOC_s在0.50~40.00 μg/L质量浓度范围内线性良好，相关系数R²均＞0.995 6，检出限为0.021~0.105 μg/L，加标回收率为76.4%~110.8%，相对标准偏差为2.33%~15.8%。该法操作简单，消耗费用低，分析速度快，具有良好的灵敏度、回收率和重现性，能够满足生活饮用水中54种VOC_s的同时测定。

关键词: 吹扫捕集色谱质谱联用选择离子检测挥发性有机物

DOI：

分类号:X832；O657.7⁺¹

文献标识码:B

基金项目:山东省地质勘查基金资助项目（SSDZS-2015-GTT01）

Study on the 54 Kinds of Volatile Organic Compounds in Water by Purg and Trap Coupled with Gas Chromatography Mass Spectrometry

WU Fawei, YUAN Penghui,CHEN Mingxiao, DONG Jun, GAO Shuai^1,2

1.Shandong Geological Engineering Investigation Institute, Ji’nan, Shandong 250014, China;2. State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China

Abstract:

An analytical method for simultaneous determination of 54 kinds of volatile organic compounds (VOC_s) in water was established and optimized.The correlation coefficients of 54 kinds of VOC_s were good in the range from 0.50 to 40.00 μg/L, and the detection limits ranged from 0.021 to 0.105 μg/L,the average recovery was among 76.4% to 110.8% with the relative standard deviation of 2.33%~15.8%.The method is simple operation,low cost consumption, fast analysis speed, good sensitivity, recovery and reproducibility.

Key words: Purg and trap GC MS Selective ion monitoring Volatile organic compounds