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Journal of the Iranian Chemical Society

, Volume 14, Issue 5, pp 995–1004 | Cite as

Alkanol-based supramolecular solvent microextraction of organophosphorus pesticides and their determination using high-performance liquid chromatography

  • Moazameh Peyrovi
  • Mohammadreza Hadjmohammadi
Original Paper

Abstract

A sensitive method for extraction and determination of three organophosphorus pesticides (chlorpyrifos, diazinon, phosalone) using a supramolecular solvent (SUPRAS) made of inverted hexagonal aggregates of alkanol and high-performance liquid chromatography with ultraviolet detection (HPLC–UV) was developed. The studied factors were alkanol amount, THF percentage (v/v), pH and vortex time. According to the full factorial design results, the effective parameters were alkanol amount, THF percentage (v/v) and pH. Then, a CCF was applied to obtain optimal conditions. The optimized conditions were obtained at 100 mg of alkanol, 5% of THF and pH 3.9. The limits of detection of pesticides were 0.5–1.3 ng/mL. The linearity was 1.6–500.0 ng/mL for different pesticides. Relative standard deviations for intra- and inter-day extraction of pesticides were 3.3–5.0 and 5.1–6.3, respectively, for five measurements. The method was also successfully applied for the determination of the pesticides in fruit juice and tap water samples.

Keywords

Alkanol-based supramolecular solvent microextraction Organophosphorus pesticides High-performance liquid chromatography 

Notes

Compliance with ethical standards

Conflict of interest

Mohammadreza Hadjmohammadi declares that he has no conflict of interest. Moazameh Payrovi declares that she has no conflict of interest.

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Copyright information

© Iranian Chemical Society 2017

Authors and Affiliations

  1. 1.Department of ChemistryUniversity of MazandranBabolsarIran

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