吹扫捕集气相色谱-质谱法测定全国地下水调查样品中挥发性有机污染物

百花草

[align=justify]摘　要：利用吹扫捕集气相色谱-质谱法检测地下水中挥发性有机污染物,建立适用于全国地下水调查中卤代烃、苯系物、氯苯等25种必检组分测定的分析流程,同时增加分析过程的质量控制与质量管理.各组分标准曲线线性方程相关系数均在0.9995以上,方法检测限为0.1~0.4 μg/L.标准添加样品测定值相对标准偏差为1.73%~5.53%(n=7),回收率为88.8%~112.0%.建立的分析方法检测限低、精密度好、方法简便、准确,适用于地下水调查等大批量挥发性有机污染物的分析.
关键词：吹扫捕集;气相色谱-质谱法;地下水;挥发性有机污染物
分类号：O657.63;O622 　文献标识码：A
文章编号：0254-5357(2009)01-0015-06

Determination of Volatile Organic Compounds in Groundwater Samples by Purge and Trap-Gas Chromatography-Mass Spectrometry

HUANG Yi　 RAO Zhu　

基金项目：国土资源部地质大调查项目资助(12120105560101,1212350816015); 国家地质实验测试中心基础性研究项目资助(200607CSJ11) 作者简介：黄毅(1979-),女,贵州贵阳人,苗族,助理研究员,从事环境有机污染物分析.E-mail: huangyi@126.com. 作者单位：黄毅（国家地质实验测试中心,北京,100037）　 　　　　　饶竹（国家地质实验测试中心,北京,100037）　 参考文献： [align=justify][1]刘征涛.环境安全与健康[M].北京:化学工业出版社,2005:212-223. [2]Ramanathan K,Debler V L,Kosusko M.Evaluation of control strategies for volatile organic compounds in indoor air[J].Environmental Progress,1988,7(4):230-235. [3]Otto D,Hundell H,House D.Exposure of humans to a volatile organic mixture:Ⅰ.Behavioural assessment[J].Archives of Environmental Health,1992,47(1):23-30. [4]中国地质调查局.地下水污染调查评价规范(1∶50000-1∶250000)[Z].2006. [5]Bellor A,Lichtenberg J J.The determination of volatile organic compounds in water at the μg/L level in water by gas chomatography[J].Amer Water Works Ass,1974,66:739. [6]Tom Huybrechts,Jo Dewulf,Olivier Moerman,Herman Van Langenhove.Evaluation of purge-and-trap-high-resolution gas chromatography-mass spectrometry for the determination of 27 volatile organic compounds in marine water at the ng/L concentration level[J].J Chromatogr A,2000,893:367-382. [7]Saskia M van Ruth,Jacques P Roozen.Gas chromato-graphy/sniffing port analysis of aroma compounds released under mouth conditions[J].Talanta,2000,52(2):253-259. [8]Patrick Roose,Udo A Th Brinkman.Determination of volatile organic compounds in marine biota[J].J Chromatogr A,1998,799:233-248. [9]黄毅,饶竹,王超.吹扫捕集气相色谱-质谱法定性分析人尿中挥发性有机物[J].分析测试学报,2007,26(增刊):64-66. [10]李攻科,胡玉玲,阮华贵.样品前处理仪器与装置[M].北京:化学工业出版社,2007:207-220. [11]US EPA Method 5030C,Purge-and-trap for aqueous samples[S]. [12]US EPA Method 5035,Closed-system purge and tap and extraction for volatile organics in soil and waste samples[S]. [13]US EPA Method 8260B,Volatile organic compounds by gas chromatography/mass spectrometry (GC/MS)[S]. [14]国家环保总局.水和废水监测分析方法[M].4版.北京:中国环境科学出版社,2002:554-555. [15]US EPA Method 524,Measurement of purgeable organic compounds in water by capillary column gas chromatography/mass spectrometry[S].

天蓝3

看了就要顶啊，虽然不懂