| 扩散法采集环境空气中氨 |
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| 引用本文： | 陈桂贻,陈淑贻,汤利民.扩散法采集环境空气中氨[J].实用预防医学,1999,6(3):182-183. |
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| 作者姓名： | 陈桂贻 陈淑贻 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： | 目的探讨采集氨的新方法方法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。结果采样速率为（１３７．６±８．４）ｍｌ／ｍｉｎ，与动力采样法现场对比测定，总不确定度为±１９．３％。结论采样器体积小、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 Amnonia in Ambient Air by Diffusion Sampling Monitor |
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| CHEN Guiyi,CHEN
Shuyi,TANG Liming.Collection of Amnonia in Ambient Air by Diffusion Sampling Monitor[J].Practical Preventive Medicine,1999,6(3):182-183. |
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| Authors: | CHEN Guiyi CHEN
Shuyi TANG Liming |
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| Institution: | CHEN Guiyi,CHEN
Shuyi,TANG Liming. Institute of Labour Hygiene and Occupational Diseases of
Hunan,Changsha,410007 |
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| Abstract: | Objective To probe the new method on collection of ammonia.
Methods The diffusion collection monitor was used to absorb ammonia in ambient air.The
absorbent layer was composed of synthetic fiber cloth impregnated of H3PO4glycerin Solution.
Results The sampling rate of NH3 was (137.68.4)ml/min. Compared with the active device in
field,the overall uncertainty of the diffusion sampling monitor was19.3%. Conclusion With the
characterisctics of small weight,no noise,easy to be operated,the monitor is suitale to
determine the concentration of NH3 of indoor air and personal NH3 exposure. |
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| Keywords: | mmoniaDiffusion sampling monitorSampling rate |
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