| 自动顶空-气相色谱法测定水中甲醇的方法优化 |
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| 引用本文： | 付翠轻,杨树平,魏亚楠,高博,马磊,邢志贤.自动顶空-气相色谱法测定水中甲醇的方法优化[J].中国环境监测,2012,28(4):61-64. |
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| 作者姓名： | 付翠轻 杨树平 魏亚楠 高博 马磊 邢志贤 |
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| 作者单位： | 河北省环境监测中心站, 河北 石家庄 050037;河北省环境监测中心站, 河北 石家庄 050037;河北省环境监测中心站, 河北 石家庄 050037;河北省环境监测中心站, 河北 石家庄 050037;河北省环境监测中心站, 河北 石家庄 050037;河北省环境监测中心站, 河北 石家庄 050037 |
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| 基金项目： | 环保部制药行业VOCs与恶臭控制技术政策研究项目(201109004) |
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| 摘 要： | 从顶空进样器载气压力、顶空瓶压力、顶空瓶温度等方面对自动顶空-气相色谱法测定水中甲醇的方法进行了优化。该方法的灵敏度高于直接进样(水溶液)法、已有的顶空进样法,满足《空气和废气监测分析方法》(第4版)中吸收液中甲醇检出限0.4 mg/L的要求。
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| 关 键 词： | 自动顶空 气相色谱 甲醇 |
| 收稿时间： | 2011/4/19 0:00:00 |
Optimization of the Determination Method of Methanol in Water by Auto Headspace-gas Chromatography |
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| FU Cui-qing,YANG Shu-ping,WEI Ya-nan.Optimization of the Determination Method of Methanol in Water by Auto Headspace-gas Chromatography[J].Environmental Monitoring in China,2012,28(4):61-64. |
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| Authors: | FU Cui-qing YANG Shu-ping WEI Ya-nan |
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| Institution: | Hebei Province Environmental Monitoring Centre, Shijiazhuang 050037, China;Hebei Province Environmental Monitoring Centre, Shijiazhuang 050037, China;Hebei Province Environmental Monitoring Centre, Shijiazhuang 050037, China;Hebei Province Environmental Monitoring Centre, Shijiazhuang 050037, China;Hebei Province Environmental Monitoring Centre, Shijiazhuang 050037, China;Hebei Province Environmental Monitoring Centre, Shijiazhuang 050037, China |
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| Abstract: | The determination method of methanol in water by auto headspace-gas chromatography was established. And the parameter of the headspace sampler such as carrier gas pressure, vial pressure,vial temperature were optimized. The result of the study shows that the sensitivity is higher than direct injection(aqueous solution) and the existing headspace-gas chromatography. |
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| Keywords: | Auto headspace Chromatography Methanol |
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