| 热脱附法在测定空气中苯系物上的应用 |
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| 引用本文： | 李冰清.热脱附法在测定空气中苯系物上的应用[J].环境保护科学,2012,38(6):48-50. |
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| 作者姓名： | 李冰清 |
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| 作者单位： | 上海市环境监测中心,上海,200030 |
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| 摘 要： | 对热脱附-气相色谱测定苯系物方法中的几种常用吸附剂进行了选择比较。结果表明,在测定苯、甲苯、乙苯、二甲苯以及苯乙烯时,TenaxTA/Carbograph1TD复合型吸附剂的综合吸附效率最好。TenaxTA/Carbograph1TD复合型吸附剂的检出限、精密度、准确度和保存期都得到了良好的结果,能够满足监测分析的要求。
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| 关 键 词： | 热脱附 苯系物 气相色谱 |
Application of Thermal Desorption in Determining BTEX in Air |
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| Li Bingqing.Application of Thermal Desorption in Determining BTEX in Air[J].Environmental Protection Science,2012,38(6):48-50. |
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| Authors: | Li Bingqing |
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| Institution: | Li Bingqing |
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| Abstract: | Several sorbents in determining BTEX by thermal desorption-gas chromatography were studied.The results showed Tenax TA/Carbograph 1TD was better than others in adsorption effects of benzene, methylbenzene, ethylbenzene, dimethylbenzene and styrene. Detection limit, accuracy, precision and preservation of it were also good. The requirements of monitoring and analysis can be met. |
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| Keywords: | Thermal Desorption BTEX Gas Chromatography |
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