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The applicability of supercritical fluid extraction (SFE) in organophosphorus pesticide multi-residue analysis in vegetable samples was investigated. Fortification experiment and orthogonal test based on the trichlorfon as investigating target were conducted to optimize the extraction procedure in SFE by varying the CO2 flow, extraction oven temperature, outlet temperature and pressure. The best efficiency...
A stepwise approach was used to develop a supercritical fluid extraction (SFE) method for analysis of synthetic pyrethroids (SPs) on a wool matrix, commencing with a simple inert matrix to examine the solubility of the pyrethroids in the extraction fluid CO 2 and then extended to the real wool matrix. Chemometric approaches were used to determine the SFE optimum conditions. It was found that...
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