Monitoring of volatile organic compounds in ambient air of Taldykorgan, Kazakhstan

Keywords: SPME, GC-MS, BTEX, air pollution, air analysis, Taldykorgan

Abstract

The pollution of ambient air is one of the main sources of risk to human health in the world. There is a direct relationship between the level of air pollution and risk of the development of cancer, cardiovascular, respiratory and other diseases. Benzene, toluene, ethylbenzene and o-xylene (BTEX) are one of the most toxic volatile organic compounds. The aim of this study was to quantify BTEX in air of Taldykorgan, Kazakhstan using solid-phase microextraction followed by gas chromatography with mass-spectrometric detection. In different sampling seasons, average concentrations of four BTEX analytes varied from 7.5 to 27 µg/m3, from 15 to 250 µg/m3, from 2.4 to 12.8 µg/m3 and from 2.6 to 21 µg/m3, respectively. The highest concentrations of TEX were detected in autumn, while the highest concentrations of benzene were observed in winter. Toluene-to-benzene ratios in almost all measurements were above 1 indicating that the traffic emissions are the main source of air pollution with BTEX.

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Published
2019-11-01
How to Cite
Serik, L., Ibragimova, O., Ussenova, G., & Baimatova, N. (2019). Monitoring of volatile organic compounds in ambient air of Taldykorgan, Kazakhstan. Chemical Bulletin of Kazakh National University, (4), 4-12. https://doi.org/https://doi.org/10.15328/cb1095
Section
Environmental Chemistry