顶空气相色谱法测定北京市地下水中的氯代烃  

Determination of Chlorinated Hydrocarbons in Beijing Groundwater by Gas Chromatograph with a Headspace Sampler

作　　者：刘永刚[1] 刘菲[2] 郑海涛[1] 张金炳[2] 

机构地区：[1]吉林大学化学系,吉林长春130026 [2]中国地质大学水资源与环境工程系,北京100083

出　　处：《岩矿测试》2002年第1期55-58,共4页Rock and Mineral Analysis

基　　金：国家自然科学基金项目 (4 0 0 72 0 80 )

摘　　要：以国家标准方法和美国环保局 (EPA)方法为基础 ,建立用自动顶空进样器对饮用水中的氯代烃进行测定的方法 ,探讨了影响实验空白的因素 ,所拟方法的检出限为 :三氯甲烷 0 .0 96μg/L、四氯化碳 0 .0 3 4 μg/L ,三氯乙烯 0 .0 4 9μg/L ,四氯乙烯 0 .0 3 3 μg/L。方法回收率控制在82 %～ 1 0 6 % ,其相对标准偏差 (RSD ,n =7)小于 2 3 % ,符合国际有机污染物分析的标准 ,并用此方法对北京市地表水、地下水进行了测定。Based on the China National Standard methods and American EPA methods, a new method that can determine the chlorinated hydrocarbons in drinking water by GC with a headspace sampler was established. The factors that affect the experimental blanks and analyte recoveries were studied. The detection limits for trichloto methane, carbon tetrachloride, trichloto ethylene and tetrachloro ethylene are 0.096 μg/L, 0.034 μg/L, 0.049 μg/L and 0.033 μg/L respectively. The recovery range is from 82%～106% with precision of <23% RSD ( n =7). The method has been applied to the determination of these analytes in surfacewater and groundwater samples and the results are in agreement with those provided by international analytical methods

关 键 词：氯代烃 顶空气相色谱法 饮用水 氯气消毒 地下水 有机物污染 

分 类 号：X131.2[环境科学与工程—环境科学]