Identification and quantification of organic pollutants in the air of the city of Astana using solid phase microextraction

  • Dina Orazbayeva Center of Physical Chemical Methods of Research and Analysis, al-Farabi Kazakh National University, Almaty http://orcid.org/0000-0002-3535-4576
  • Ulzhalgas Abdikalikyzy Karatayeva L.N. Gumilyov Eurasian National University, Astana
  • Kulzhan Adambayevna Beysembayeva L.N. Gumilyov Eurasian National University, Astana
  • Kulyash Sadykovna Meyramkulova L.N. Gumilyov Eurasian National University, Astana

Abstract

Solid-phase microextraction in combination with gas chromatography and mass-spectrometry (GC-MS) was used for determination of benzene, toluene, ethylbenzene and o-xylene (BTEX), polycyclic aromatic hydrocarbons (PAH), and for identification of volatile organic compounds (VOCs) in ambient air of the city of Astana, Kazakhstan. The screening of the samples showed the presence of mono- and polycyclic aromatic hydrocarbons, alkanes, alkenes, phenols, and benzaldehydes.


The concentrations of naphthalene were 5-7 times higher than the permissible value, it was detected in all studied air samples. Average concentration of naphthalene was 18.4 μg/m3, acenaphthylene – 0.54 μg/m3, acenaphthene – 1.63 μg/m3, fluorene – 0.79 μg/m3, anthracene – 3.27 μg/m3, phenanthrene – 0.22 μg/m3, fluorantene – 0.74 μg/m3, pyrene – 0.73 μg/m3. Average concentrations of BTEX in the studied samples were 31.1, 84.9, 10.8 and 11.6 μg/m3, respectively. Based on the statistical analysis of the concentrations of BTEX and PAH, the main source of city air pollution with them was assumed to be vehicle emissions.

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Published
2017-08-27
How to Cite
ORAZBAYEVA, Dina et al. Identification and quantification of organic pollutants in the air of the city of Astana using solid phase microextraction. Chemical Bulletin of Kazakh National University, [S.l.], n. 2, p. 4-13, aug. 2017. ISSN 2312-7554. Available at: <https://bulletin.chemistry.kz/index.php/kaznu/article/view/826>. Date accessed: 21 sep. 2017.
Section
Analytical Chemistry