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Salting-out-assisted liquid–liquid extraction and reverse-phase high-performance liquid chromatographic monitoring of thiacloprid in fruits and vegetables

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journal contribution
posted on 22.12.2017 by Sumia Akram, Bushra Sultana, Muhammad Rafique Asi, Muhammad Mushtaq

Salting-out-assisted liquid–liquid extraction (SALLE) was developed to extract thiacloprid (THI) from fruits and vegetables. SALLE conditions (NaCl/Na2SO4, pH, and solvent polarity) were investigated at various levels for the optimal recovery of THI. Meanwhile, reverse-phase high-performance liquid chromatographic (RP-HPLC) conditions were balanced over 1–100 µg/mL of THI. The optimized SALLE-RP-HPLC method offered 78.33–92.00% recovery of standard THI at an acceptable repeatability 1.81–4.30% and reproducibility 1.08–4.74%. The detection and quantification limits were found to be 0.03 and 0.05 µg/mL, respectively. The real-time analysis verifies its suitability and ease of use for the determination of THI in agricultural commodities.

Funding

The first author received funds from higher education commission (HEC), Pakistan under Indigenous Ph.D. Fellowship Program and International Research Support Initiative Program (PIN Nos. 085-12949-Ps5-151 and IRSIP 24PS 21).

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