Concentration variability of anthropogenic halocarbons and applications as internal reference in volatile organic compound measurements

Jia Lin Wang, Clock Chew, Shin Wei Chen, Kuo Show-Ru

Research output: Contribution to journalArticlepeer-review

29 Scopus citations

Abstract

This work investigated concentration variability of anthropogenic halocarbons by performing four separate sample collections in urban, industrial, and background atmospheric environments. Large concentration variability was found for CFC-12, CH3CCl3, CClH=CCl2, and CCl2=CCl2 in nonbackground environments. In comparison, the variability of CFC-113 and CCl4 was small regardless of the environments and was also close to the precision of the analytical system, implying that CFC-113 and CCl4 have relatively little emissions in Taiwan. The uniform property associated with atmospheric CCl4 is suggested as an 'intrinsic' internal reference for quality control of VOC analysis.

Original languageEnglish
Pages (from-to)2243-2248
Number of pages6
JournalEnvironmental Science and Technology
Volume34
Issue number11
DOIs
StatePublished - 1 Jun 2000

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