| Preparation of calibration standard of organic vapours using the diffusion tube method |
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| 作者姓名： | Huang Wenyu |
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| 作者单位： | Huang Wenyu Nanjing Electronic Devices Research Institute，Nangjing，China |
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| 摘 要： | This paper describe the theoretical consideration, experimental results and applications of diffusion tube, used for preparing the calibration standard of organic vapours. This dynamic procedure entirely eliminates the adsorption effect, which is important in static procedures. Its concentration range is wider than that of the permeation tube. The diffusion tube technique is therefore a very accurate, simple and easy-to-make device. It is quite useful in the determination of organic pollutants existing in the environment.
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| 关 键 词： | organic pollutant standard vapours diffusion tube. |
| 收稿时间： | 1988/12/2 0:00:00 |
Preparation of calibration standard of organic vapours using the diffusion tube method |
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| Huang Wenyu.Preparation of calibration standard of organic vapours using the diffusion tube method[J].Journal of Environmental Sciences,1989,1(2):37-47. |
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| Authors: | Huang Wenyu Nanjing Electronic Devices Research Institute Nangjing China |
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| Abstract: | This paper describe the theoretical consideration, experimental results and applications of diffusion tube, used for preparing the calibration standard of organic vapours. This dynamic procedure entirely eliminates the adsorption effect, which is important in static procedures. Its concentration range is wider than that of the permeation tube. The diffusion tube technique is therefore a very accurate, simple and easy-to-make device. It is quite useful in the determination of organic pollutants existing in the environment. |
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| Keywords: | organic pollutant standard vapours diffusion tube |
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