| 气相色谱法测定废水中硝基化合物 |
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| 引用本文： | 蒋海威,褚春莹,张婷婷,房贤文,谭培功.气相色谱法测定废水中硝基化合物[J].干旱环境监测,2010,24(1):1-4. |
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| 作者姓名： | 蒋海威 褚春莹 张婷婷 房贤文 谭培功 |
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| 作者单位： | 青岛市环境监测中心站,山东,青岛,266003 |
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| 摘 要： | 建立了液液萃取—气相色谱测定硝基化合物的分析方法。用二氯甲烷萃取废水中的硝基化合物,毛细管色谱柱进行分离,用氢火焰检测器(FID)测定。由于2,4,6-三硝基苯甲酸水溶性强,有机试剂无法萃取,而2,4,6-三硝基苯甲酸受热能转化为1,3,5-三硝基苯,为此,对二氯甲烷萃取后的水样进行加热,再单独测定2,4,6-三硝基苯甲酸。结果表明,该方法简单、快速、准确可靠。
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| 关 键 词： | 气相色谱 硝基化合物 2，4，6-三硝基苯甲酸 |
Determination of Nitro Compounds in Waste Water by Gas Chromatography |
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| JIANG Hai-wei,CHU Chun-ying,ZHANG Ting-ting,FANG Xian-wen,TAN Pei-gong.Determination of Nitro Compounds in Waste Water by Gas Chromatography[J].Arid Environmental Monitoring,2010,24(1):1-4. |
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| Authors: | JIANG Hai-wei CHU Chun-ying ZHANG Ting-ting FANG Xian-wen TAN Pei-gong |
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| Institution: | Qingdao Environmental Protection Monitoring Station;Qingdao Shandong;266003;China |
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| Abstract: | A simple and effective determination method of nitro compounds in water has been established.The nitro compounds in waste water was extracted with dichloromethane and determined by capillary column GC-FID.2,4,6-trinitrobenzoic acid was difficult to extracted with organic solvent for dissolving in water easily,and it translate into 1,3,5-trinitrotoluene by heating.Thus,we heat the water extracted with dichloromethane and determine 2,4,6-trinitrobenzoic acid.This method is simple,rapid,exact and credible. |
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| Keywords: | gas chromatography nitro compounds 2 4 6-trinitrobenzoic acid |
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