Journal
CHEMOSPHERE
Volume 277, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2021.130251
Keywords
Needle trap device; Volatile organic compounds; Indoor air analysis; BTEX
Categories
Funding
- TUBITAK (Scientific and Technological Research Council of Turkey) [116S196]
- Ege University Scientific Research Council [15-TIP-74]
- Diagnosis, Monitoring, and Prevention of ExposureRelated Noncommunicable Diseases (DiMoPEx) EUCOST Action [CA15129]
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Volatile Organic Compounds (VOCs) are a large group of chemicals commonly found in indoor environments that can lead to health issues with long-term exposure. This study aimed to develop a needle trap-based method for detecting specific VOCs to manage respiratory diseases. The multi-bed NTD showed high sensitivity for sampling and analyzing BTEX in indoor air samples.
Volatile Organic Compounds (VOCs) are a large group of chemicals mostly found in indoor environments such as homes and workplaces. Long term exposure to certain VOCs can cause symptoms in some individuals and therefore, monitoring and controlling air quality can help better manage chronic respiratory diseases. In this study, we aimed to develop an easy-to-use, economical, in house needle trapbased methodology to detect certain VOCs to be used for public and occupational health. For this purpose, a multi-bed (packed with PDMS/Carbopack-X/Carboxen-1000) needle trap device (NTD) was utilized for sampling, enrichment, and injection of the VOCs into the gas chromatography. The performance of the developed method was investigated for the analysis of the group known as BTEX (benzene, toluene, ethylbenzene and xylene). Operational and instrumental parameters such as sampling flow rate and relative humidity, desorption time and temperature were optimized, and the analytical figures of merit of the proposed method have indicated that very low levels of BTEX in air samples can be easily determined by this new method. Overall results have shown that multi-bed NTD offers a high sensitive procedure for sampling and analysis of BTEX in concentration range of 0.002-0.298 mg/m(3) in indoor air. (C) 2021 Elsevier Ltd. All rights reserved.
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