Sampling time effect on 2,4toluene diisocyanate concentration by using different samplers

Chuen-Tinn Tsai*, Hsi Chen Lin, Kuan Yu Lin, Tung Sheng Shih, Kai Chung Chang, I. Fu Hung, C. G. Deshpande

*此作品的通信作者

研究成果: Article同行評審

摘要

In order to understand the sampling time effect on the 2,4TDI (Toluene diisocyanate) concentrations, laboratory and field tests were conducted in this study. An ADS (annular denuder sampler) and two OFFCs (open face filter holders) with different filters were tested for 1 to 120 minutes in the laboratory using 2,4TDI gas. In the field study, the standard sampling method, the dual filter the triple filter and annular denuder systems were used at two workplaces to study the change of 2,4TDI concentrations with sampling time from 15 to 60 minutes. The test results in both laboratory and field studies show that the sampling time influences the sampled TDI concentration considerably which may be due to reaction of TDI with water vapor and polyo in the sampling process. It is evident that as sampling time increases the TDI concentration decreases very significantly.

原文English
頁(從 - 到)1799-1812
頁數14
期刊Separation Science and Technology
41
發行號9
DOIs
出版狀態Published - 2006

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