Research Article

A Novel Application of Natural Peat for Solid-Phase Extraction of Pyrimethanil, Flumetralin, and Kresoxim-Methyl in Water Using Gas Chromatography-Mass Spectrometry

Table 2

Comparison of average % recoveries (RSD%) of fortified pesticides in water from SPE method using natural peat and C18-bonded silica as solid-phase material *( 𝑛 = 7 ).

PesticideRecovery (%) ± RSD (%)*, 0.1 μg L−1
C18-bonded silicaNatural peat

Pyrimethanil 1 0 5 ± 7 . 2 4 1 ± 1 2 . 6
Flumetralin 7 7 ± 6 . 3 9 6 ± 7 . 2
Kresoxim-methyl 9 0 ± 8 . 8 8 8 ± 6 . 8