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Analysis of VOCs in Ambient Air Using Multisorbent Packings for VOC Accumulation and Sample Drying
Solid multisorbent packings have been characterized for trapping and release efficiency of trace (10-20 ppbv in humidified zero air) volatile organic compounds (VOCs). The use of a two-stage trapping system reduces sample water content typically by more than 95.5% while maintaining a trapping and release efficiency of 100% for 49 VOCs, including eight water-soluble VOCs. Three combinations of primary tube and focusing tube are examined in detail by using an atomic emission detector to monitor hydrogen as an indication of residual water vapor, and to monitor either chlorine, bromine, or carbon for target VOCs. Linearity of response to individual VOCs, the presence of artifacts, and a laboratory monitoring application are also discussed.
Analysis of VOCs in Ambient Air Using Multisorbent Packings for VOC Accumulation and Sample Drying
Solid multisorbent packings have been characterized for trapping and release efficiency of trace (10-20 ppbv in humidified zero air) volatile organic compounds (VOCs). The use of a two-stage trapping system reduces sample water content typically by more than 95.5% while maintaining a trapping and release efficiency of 100% for 49 VOCs, including eight water-soluble VOCs. Three combinations of primary tube and focusing tube are examined in detail by using an atomic emission detector to monitor hydrogen as an indication of residual water vapor, and to monitor either chlorine, bromine, or carbon for target VOCs. Linearity of response to individual VOCs, the presence of artifacts, and a laboratory monitoring application are also discussed.
Analysis of VOCs in Ambient Air Using Multisorbent Packings for VOC Accumulation and Sample Drying
McClenny, William A. (author) / Oliver, Karen D. (author) / Daughtrey, E. HunterJr. (author)
Journal of the Air & Waste Management Association ; 45 ; 792-800
1995-10-01
9 pages
Article (Journal)
Electronic Resource
Unknown
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