Determination of Nitrogen Dioxide in Air Using Passive Sampler and Comparison with Instrumental Method
Journal Title: محيط شناسي - Year 2007, Vol 33, Issue 41
Abstract
Use of passive samplers has major advantages with respect to weight, cost and maintenance. In order to measure ambient concentration of nitrogen dioxide, a diffusion type passive sampler was made and then investigated. The manufactured samplers were exposed to ambient air in parallel with continuous chemiluminescence analyzer during weekly to four-week periods. The results show good repeatability as well as good agreement between passive and instrumental methods. Optimum time of exposure was found to be one week.
Authors and Affiliations
Saeideh Tasharrofi, Ali Reza Dahaghin, Hassan Kazemi, Hossein Taghdisian,
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