| 顶空气相色谱法测定饮用水中的三氯甲烷及四氯化碳 |
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| 引用本文： | 杨卫花,李颖,赵浩军,王坤. 顶空气相色谱法测定饮用水中的三氯甲烷及四氯化碳[J]. 云南化工, 2012, 39(4): 38-41 |
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| 作者姓名： | 杨卫花 李颖 赵浩军 王坤 |
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| 作者单位： | 大理州质量技术监督综合检测中心,云南大理,671000 |
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| 摘 要： | 利用国产顶空进样设备及GC-ECD（气相色谱-电子捕获检测器）建立了水中挥发性组份三氯甲烷、四氯化碳的测定方法。该方法的相对标准偏差为2．1—6．3％,样品的回收率为92％～99％。方法简化了样品处理过程,检出限与重复性均达到相关国家标准要求。
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| 关 键 词： | 顶空气相色谱 饮用水 三氯甲烷 四氯化碳 电子捕获检测器（ECD） |
Determination of Trichloromethane and Carbon tetrachloride in water by Headspace Gas Chromatography |
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| YANG Wei-hua,LI Ying,ZHAO Hao-jun,WANG Kun. Determination of Trichloromethane and Carbon tetrachloride in water by Headspace Gas Chromatography[J]. Yunnan Chemical Technology, 2012, 39(4): 38-41 |
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| Authors: | YANG Wei-hua LI Ying ZHAO Hao-jun WANG Kun |
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| Affiliation: | (Dali Quality and Technical Supervision Comprehensive Inspection Centre,Dali 671000,China) |
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| Abstract: | A method for the determination of trichloromethane and carbon tetrachloride in water by headspace gas chromatography was studied.The results showed that the recovery was ranged between 92%~99% and the relative standard deviations were ranged between 2.1%~6.3 %.This method is accurate and the pre-processing of this method is simple. |
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| Keywords: | headspace-GC trichloromethane carbon tetrachloride ECD(electron capture detector) |
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