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Alcohol-(NH4)of 2SO4 -aqueous two-phaseextraction systemCD
Abstract:This paperusesalcohol-(NH4)2SO4- aqueoustwo-phase system,chose the rosered 6Gaschromogenic agent,when Cd(II),three yuanassociationdoes not dissolve in waterto form 20%KI-2%Vcandrose red6G exist at the same time,was extracted byalcoholphase.Determination of cadmium contentby ultraviolet-visible spectrophotometry.Mainly through the study of thedosage of buffer solution,alcoholconsumption,(NH4)2SO4 dosage,20%KI-2%Vcdosage androse red 6G.Single factor analysis,find out optimum conditions forextractionof cadmium.
Keywords:spectrophotometry;aqueous two-phaseextraction;cadmium;
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