| 甲烷气体标准样品的研制 |
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| 引用本文： | 吴忠祥,彭鸿俊,田文,樊强,耿利娜,张太生.甲烷气体标准样品的研制[J].中国环境监测,1999(6). |
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| 作者姓名： | 吴忠祥 彭鸿俊 田文 樊强 耿利娜 张太生 |
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| 作者单位： | 国家环境保护总局标准样品研究所!北京100029 |
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| 摘 要： | 对称量制备甲烷气体标准样品的制备方法进行了详细研究 ,对可能引起甲烷量值不确定度的各种误差来源进行了分析。文中提出的甲烷气体标准样品制备方法具有很好的重现性 ,所制备的甲烷气体标准样品具有良好的压力稳定性并已能在三种气瓶中稳定保存 1 8个月 ,其量值准确、可比 ,并已在全国环境监测网试用。
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| 关 键 词： | 甲烷 气体标准样品 |
Development on standard gas of methane in nitrogen |
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| WU Zhong xiang,et al.Development on standard gas of methane in nitrogen[J].Environmental Monitoring in China,1999(6). |
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| Authors: | WU Zhong xiang |
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| Abstract: | The method for preparing standard gas of methane in nitrogen at high pressure cylinder has been studied and the uncertainty of concentration value has been evaluated The methane standard gas has good pressure stability and can be stored at domestic cylinders more than 18 months The standard gas has been used in environmental monitoring network of China |
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| Keywords: | methane standard gas |
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