Extraction of palladium （Ⅱ） from hydrochloride solutions with 2-n-octyl-4-isothiazolin-3-one as novel extractant-中国期刊网

摘要 Solventextractionofpalladium(Ⅱ)fromhydrochloricacidsolutionwith2-n-octyl-4-isothiazolin-3-one(OIT)/cyclohexanewasstudied.Effectsofdifferentparametersonextractionefficiencywereevaluated.99.96%and98.26%palladium(Ⅱ)couldbeeffectivelyextractedwith0.018mol·L-1OIT/cyclohexaneof0.1and4.0mol·L-1HClmedium,respectively.Nonpolarsolventandlowaciditycouldimprovetheextractingefficiency,andsuccessfullystrippalladium(Ⅱ)fromtheloadedorganicphasewasachievedwith0.5mol·L-1(NH2)2CSsolution.ItwasproposedthattheextractionofPdcomplexesfromHClmediumproceededthroughtheionassociationmechanismbyslopemethod,NMRandFT-IRspectra.

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Extraction of palladium （Ⅱ） from hydrochloride solutions with 2-n-octyl-4-isothiazolin-3-one as novel extractant

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Extraction of palladium （Ⅱ） from hydrochloride solutions with 2-n-octyl-4-isothiazolin-3-one as novel extractant

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