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- W4288045861 abstract "• Magnetic [P 6,6,6,14 + ] 2 [MnCl 4 2− ] liquid lets extraction and preconcentration of metribuzin in one step. • Recoveries for the metribuzin ranged from 91 ± 2 % to 102 ± 3 % and enrichment factor 247. • The developed method is simple, rapid, reproducible and green. • The sensitivity of the technique UV–VIS spectrophotometer is increased following the VA-MIL-DLLME procedure. A vortex assisted magnetic ionic liquid based dispersive liquid–liquid microextraction (VA-MIL-DLLME) approach was proposed using a tetrachloromanganate-based magnetic ionic liquid (MIL, as extraction solvent) for the determination and extraction of metribuzin in some plant samples by UV–Vis spectrophotometer. The MIL was prepared from a mixture of trihexyl(tetradecyl)phosphonium chloride [P 6,6,6,14 + ][Cl − ] and manganese(II) chloride tetrahydrate (MnCl 2 ·4H 2 O) in chloroform. Important factors for the VA-MIL-DLLME approach were optimized in detailed. The optimum conditions were: 8.0 of pH, 80 mg of the [P 6,6,6,14 + ] 2 [MnCl 4 2− ] (extraction solvent), 250 μL of ethanol (as dispersing solvent), 3 min of vortex time and 1.5 mL of 30 % NaCl (w/v) (ionic strength). Calibration graph was linear in the range of 35–800 μg L −1 with correlation of determination 0.995. The limit of detection, limit of quantification and enrichment factor were found to be 10.6 μg L −1 , 35 μg L −1 and 247, respectively. The VA-MIL-DLLME approach was applied for extraction and determination of metribuzin in the samples. The relative standard deviations (RSD) in the samples were less than 2.8 %. Moreover, the recoveries were obtained in the range of 91 ± 2–102 ± 3 %." @default.
- W4288045861 created "2022-07-27" @default.
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- W4288045861 date "2022-10-01" @default.
- W4288045861 modified "2023-10-09" @default.
- W4288045861 title "Vortex assisted magnetic ionic liquid based dispersive liquid–liquid microextraction approach for determination of metribuzin in some plant samples with UV–Vis spectrophotometer" @default.
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- W4288045861 doi "https://doi.org/10.1016/j.microc.2022.107809" @default.
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