| 吹扫捕集气质联用法检测供水管网中消毒副产物——三氯乙醛 |
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| 引用本文： | 林瑛,周丙建.吹扫捕集气质联用法检测供水管网中消毒副产物——三氯乙醛[J].河南科学,2012,30(7):864-866. |
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| 作者姓名： | 林瑛 周丙建 |
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| 作者单位： | 郑州自来水投资控股有限公司,郑州,450007 |
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| 基金项目： | 国家水体污染控制与治理科技重大专项资助 |
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| 摘 要： | 建立了供水管网中三氯乙醛的吹扫捕集/GC-MS检测方法.吹扫捕集与碱化反应同时进行,三氯乙醛完全快速转化为三氯甲烷,通过检测加碱前后管网水中三氯甲烷的含量,间接计算出管网水中三氯乙醛的含量.方法的线性范围为0～20μg/L,检出限为0.16μg/L,相对标准偏差<5%,平均回收率为90%～100%.
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| 关 键 词： | 三氯乙醛 管网水 吹扫捕集 气质联用 |
Determination of Trichloroacetaldehyde in Pipe Water by Purge and Trap-GC/MS |
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| Lin Ying
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Zhou Bingjian.Determination of Trichloroacetaldehyde in Pipe Water by Purge and Trap-GC/MS[J].Henan Science,2012,30(7):864-866. |
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| Authors: | Lin Ying Zhou Bingjian |
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| Institution: | (Zhengzhou Water Supply Investment Holding Co.,Ltd.,Zhengzhou 450007,China) |
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| Abstract: | The method for the determination of trichloroacetaldehyde in water by purge and trap-GC /MS and its relevant detection conditions were introduced in this paper.The result of analyzing trichloroacetaldehyde showed that the detection limit was 0.16 μg /L.The RSD（n=7）was less than 5%,the recovery rate was between 90% and 100%. |
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| Keywords: | trichloroacetaldehyde pipe water purge and trap GC/MS |
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