Comparison between Passive Sampling and Pressurized Sampling into Canisters for Measuring Volatile Organic Compounds in Air.
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概要
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Analytical accuracy and storage stability on both passive sampling and pressurized sampling into canisters for volatile organic compounds (VOCs) in air are described in this paper. Forty four kinds of VOCs including polar volatile organic compounds (PVOCs) were examined. The VOCs except a few polar chemicals were relatively stable in canisters and had high analytical accuracy and precision. Compared with these two sampling methods in chamber tests and field measurements, both results derived from the passive sampling and pressurized sampling methods were in fair agreement for non-polar chemicals. However, the PVOCs did not give concordant results in both duplicated measurements and parallel measurements and showed high variability. These results may be due to adsorption of the PVOCs to flow path in the sampling apparatus.
- 日本環境化学会の論文
日本環境化学会 | 論文
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