| 扩散法采集个体接触空气中氨 |
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| 引用本文： | 陈桂贻,陈淑怡,汤利民. 扩散法采集个体接触空气中氨[J]. 中国环境监测, 1999, 0(3) |
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| 作者姓名： | 陈桂贻 陈淑怡 汤利民 |
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| 作者单位： | 湖南省劳动卫生职业病防治研究所 |
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| 摘 要： | 本文采用扩散法将空气中氨采集在磷酸———甘油浸渍的无纺布吸收层上。该法采样速率为１３７６±８４ｍｌ／ｍｉｎ，与动力采样法现场对比测定，总不确定度为±１９３％，。采样器体积小，无噪声，操作方便，适于个体接触量与室内空气污染监测
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| 关 键 词： | 氨 扩散法采样器 采样速率 |
Collection of Personal Exposure to Ammonia in Ambient Air by Diffusion Sampling Monitor |
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| Chen Guiyi,et al. Collection of Personal Exposure to Ammonia in Ambient Air by Diffusion Sampling Monitor[J]. Environmental Monitoring in China, 1999, 0(3) |
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| Authors: | Chen Guiyi et al |
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| Abstract: | A method for collection of personal exposure to NH3 in ambient air by diffusion collection monitor besed on molecular diffusion has been stadied.The absorbent layer made from a synthefic fiber cloth impregnated dilute H3PO4|glycerine solution.The sampling rate of NH3 is 137684ml/min.Compared with active device in field,the relative overall uncertainty of diffusion sampling monitor is 193%.The monitor is small,weightlight,simple to operate.It can be used to determine the concentration of NH3 in indoor air and personal NH3 exposures. |
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| Keywords: | AmmoniaDiffusion sampling monitorSampling rate |
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