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This paper describes a method based on matrix solid-phase dispersion (MSPD) to determine the presence of combined residues of hexachlorocyclohexane (HCH) isomers (α-, β-, γ- and δ-) in various plant matrices including vegetables, fruits, leaves, grains and roots, by gas chromatography with 63 Ni electron-capture detection. The MSPD method consists of sample homogenization, cellular disruption,...
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