1999•PubMedRequires access
[Monitoring and elimination of sulfur dioxide and nitrogen dioxide by passive sampling method].
Xiaofeng Huang, Wei Zhou, Xin‐Xiang Zhang, Zheng‐Li Shi, S Zhang, Robert T. Cheng
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Abstract
The concentration of atmospheric pollutants, sulfur dioxide and nitrogen dioxide, were monitored by passive sampler with spectrophotometric determination method. The results were compared with active sampling method. It was found that the two methods got the same results. The adsorption of sulfur dioxide and nitrogen dioxide by sorbent-saturated filter paper was also studied.