Solid phase microextraction of organochlorine pesticides in water using MWCNTs-doped polypyrrole coated on steel fiber

Volume 3, Issue 04, Pages 40-51, Dec 2020 *** Field: Analytical Environmental Chemistry

  • Hamideh asadollahzadeh, (*Corresponding Author) Department of Chemistry, Kerman Branch, Islamic Azad University
  • Ebrahim Noroozian Department of Chemistry, Shahid Bahonar University of Kerman, P.O. Box 133-76175, Kerman, Iran
Keywords: Organochlorine pesticides, Multiwalled carbon nanotubes, Polypyrrole composite, Solid phase microextraction, Gas chromatography


The analysis of organochlorine pesticides (OCPs) residues has received an increasing attention in the last decades. Solid-phase microextration (SPME) is a convenient and fast analytical method, which has been widely used for the determination of volatile and semivolatile organic compounds in aqueous samples. The multiwalled carbon nanotubes/polypyrrole composite coating was used for the SPME of OCPs in water samples. The effects of various parameters on the efficiency of SPME process such as extraction time, extraction temperature, ionic strength, desorption time, and desorption temperature were studied. Under optimized conditions, the detection limits for the OCPs varied between 0.051 and 0.39 pg mL-1, the inter-day and intra-day relative standard deviations for various OCPs using a single fiber were 6.5-11.5% and 3.6-11.5, respectively. The linear ranges varied between 0.001 and 1 ng mL-1. The method was successfully applied to the analysis of ground water samples with the recoveries from 86 to 110%.


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How to Cite
asadollahzadeh, H., & Noroozian, E. (2020). Solid phase microextraction of organochlorine pesticides in water using MWCNTs-doped polypyrrole coated on steel fiber. Analytical Methods in Environmental Chemistry Journal, 3(04), 40-51.
Original Article