| 热脱附/气相色谱-质谱法测定模拟工业源挥发性有机物 |
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| 引用本文： | 莫家乐,曹美苑,周咪,等.热脱附/气相色谱-质谱法测定模拟工业源挥发性有机物[J].广东化工,2014(6):184-186. |
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| 作者姓名： | 莫家乐 曹美苑 周咪 等 |
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| 作者单位： | 广东环境保护工程职业学院,广东佛山528216 |
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| 基金项目： | 2012年广东省省级环保专项资金项目 |
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| 摘 要： | 文章研究了Tenax TA吸附管收集模拟工业源挥发性有机物(VOCs),利用热脱附/气相色谱-质谱联用仪(GC-MS)进行定性定量分析。采用制气装置将混合液体标样通过高纯氦气吹扫气化,经Tenax管收集,制得模拟工业源VOCs样品。样品置于热脱附仪二次解析后直接进GC-MS分析。结果表明,通过优化热脱附仪条件及色谱条件,能对57种模拟工业源VOCs实现准确、快速的定性定量分析。
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| 关 键 词： | 挥发性有机物 气相色谱质谱法 热脱附 |
Study on Volatile Organic Compounds of Simulated Industrial Sources by Thermal Desorption/Gas Chromatography Mass Spectrometry |
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| Mo Jiale,Cao Meiyuan,Zhou Mi,Cai Huihua.Study on Volatile Organic Compounds of Simulated Industrial Sources by Thermal Desorption/Gas Chromatography Mass Spectrometry[J].Guangdong Chemical Industry,2014(6):184-186. |
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| Authors: | Mo Jiale Cao Meiyuan Zhou Mi Cai Huihua |
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| Affiliation: | (Guangdong Vocational College of Environment Protection Engineering, Foshan 528216, China) |
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| Abstract: | The paper researches the method of qualitative and quantitative analysis which using the Tenax TA sorbent tube to collect volatile organic compounds （VOCs） of simulated industrial sources and using thermal desorption/gas chromatography- mass spectrometry （GC-MS） to analyze. VOCs solution vaporized with the high purity helium purging, collected by Tenax tube and analyzed by GC-MS after desorption from thermal desorption instrument. The results show that by optimizing the thermal desorption instrument conditions and chromatographic conditions, 57 kinds of VOCs of simulated industrial sources can be qualitative and quantitative analyzed rapidly and accurately. |
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| Keywords: | volatile organic compounds gas chromatography mass spectrometry method thermaldesorption |
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