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(VOCs)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VOCs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VOCs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 Shuai1,2
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 (VOCs) in water was established and optimized.The correlation coefficients of 54 kinds of VOCs 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