SPME GC/MS determination of organochlorine pesticides in water samples

  • Yerbolat Sailaukhanuly al-Farabi Kazakh National University
  • Bulat Kenessov al-Farabi Kazakh National University http://orcid.org/0000-0001-8541-0903
  • Lars Carlsen Awareness Center
  • Duisek Kamysbayev al-Farabi Kazakh National University

Abstract

Headspace solid phase microextraction (HS-SPME) in combination with gas chromatography and mass-spectrometry (GC/MS) was studied for analysis of water samples. The organochlorine pesticides (OCPs), p,p'-DDT, p,p'-DDD, and p,p'-DDE were collected and analyzed by GC/MS. To select of effective fiber coatings four types of SPME fibers were examined and compared. The parameters effecting the efficiency of HS-SPME such as extraction and pre-incubation time and extraction temperature, effect of solvent nature, ionic strength were studied to obtain optimal parameters. The method was developed using spiked water samples in a concentration range  10 - 500 ng/L. The calibration curve was linear over the studied concentration range with r≥0.9925. The detection limits varied from 1.57 to 2.08 ng/L. An authentic water samples from contaminated lake with OCPs were analyzed by developed method.

Author Biographies

Yerbolat Sailaukhanuly, al-Farabi Kazakh National University
Center of Physical Chemical Methods of Research and Analysis
Bulat Kenessov, al-Farabi Kazakh National University
Center of Physical Chemical Methods of Research and Analysis

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Published
2013-05-14
How to Cite
Sailaukhanuly, Y., Kenessov, B., Carlsen, L., & Kamysbayev, D. (2013). SPME GC/MS determination of organochlorine pesticides in water samples. Chemical Bulletin of Kazakh National University, 69(1), 9-16. https://doi.org/https://doi.org/10.15328/chemb_2013_19-16

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