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| Progress in Monitoring Methods of Sulfur Dioxide |
| Received:December 05, 2014 Revised:April 15, 2015 |
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| DOI：10.7643/issn.1672-9242.2015.02.014 |
| KeyWord:atmospheric corrosion sulfur dioxide sampling analysis solution absorption method passive sampling method on-line monitoring |
| Author | Institution |
| HU Li-fen |
State Key Laboratory of Environmental Adaptability for Industrial Products，China National Electric Apparatus Research Institute Co.，Ltd，Guangzhou ，China |
| GUO Yan-fen |
State Key Laboratory of Environmental Adaptability for Industrial Products，China National Electric Apparatus Research Institute Co.，Ltd，Guangzhou ，China |
| FENG Hao |
State Key Laboratory of Environmental Adaptability for Industrial Products，China National Electric Apparatus Research Institute Co.，Ltd，Guangzhou ，China |
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| Abstract: |
| The main methods for monitoring of environmental SO2 were introduced, and the commonly used solution absorption method and passive sampling method were compared. The solution absorption method is used to analyze the SO2 concentrations in the environment within an hour or even shorter time, while the passive sampling method is more frequently used to monitor the rate of deposition within one week or one month. The development of on-line monitor technology provides more technical support for the measurement of exhaust gas and anti-corrosion of flue. In the end, this article put forward the development trend of SO2 monitoring methods. |
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