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Vol. 11, Issue 2 (2022)

Method validation for the analysis of bifenthrin residue in different soils

Author(s):
Premlata Meena, Ajit Kumar Meena, Mamta and Rajendra Bairwa
Abstract:
A modified QuEChERS method was optimized, validated and verified for the extraction of bifenthrin residues in agricultural soil samples. Bifenthrin was extracted using a single step, without clean-up, with matrix matched calibration, and by gas chromatography equipped with electron capture detector. The method was fully validated on a representative agricultural soil samples collected from Anand, Dantiwada, Junagadh and Khandha (sandy loam, sandy, medium black calcareous and heavy black soil, respectively). The recovery and matrix effect were critical parameters within each tested procedure. The optimal method without clean-up was validated. Accuracy (expressed as recovery), precision (expressed as RSD), linearity, LOQ, and uncertainty were determined. To avoid matrix effects, matrix-matched calibration curves (R2 ≥ 0.99) were used for Bifenthrin Analytes. The recoveries at the three spiking levels of sandy loam, sandy, medium black calcareous and heavy black soils were in the range of 86.75- 119.03, 96.27- 118.30, 82.00- 96.67 and 81.71-98.32% and% RSD were in the range of 9.56- 15.58, 5.28- 6.30, 6.93- 15.91 and 6.31- 18.26%, respectively. The LOQ was 0.01 µg g-1. The QuEChERS protocol without the clean-up step is a promising option to make the method less expensive and faster.
Pages: 387-394  |  527 Views  300 Downloads


The Pharma Innovation Journal
How to cite this article:
Premlata Meena, Ajit Kumar Meena, Mamta, Rajendra Bairwa. Method validation for the analysis of bifenthrin residue in different soils. Pharma Innovation 2022;11(2):387-394.

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