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An expeditious method for the determination of triclosan (TCS) and methyl triclosan (MTCS) in sludge and sediment samples is presented. Extraction and cleanup steps were integrated in the same process using matrix solid-phase dispersion as sample preparation technique. Effects of different variables on the efficiency and the selectivity of the sample preparation process are discussed. Under final...
A method of extraction based on matrix solid-phase dispersion has been developed, optimized, and validated by chromatographic analysis of cypermethrin pesticide residues in samples of cows’ milk. Milk (0.25 g) was fortified with cypermethrin and blended with 1 g each of C18 (octadecylsilane) silica and Na2SO4 (anhydrous sodium sulfate), used to trap fats and water, respectively. The homogenized material...
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