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Liquid-Liquid Extraction of Platinum from Chloride Media byN,N′-Dimethyl-N,N′-Dicyclohexyltetradecylmalonamide

2013Journal article Restricted
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dc.contributor.authorCosta, Maria Clara
dc.contributor.authorAssunção, Ana
dc.contributor.authorCosta, Ana M. Rosa da
dc.contributor.authorNogueira, Carlos
dc.contributor.authorPaiva, Ana Paula
dc.date.accessioned2016-01-07T15:00:42Z
dc.date.available2016-01-07T15:00:42Z
dc.date.issued2013
dc.description.abstractLiquid-liquid extraction of platinum(IV) from chloride media was carried out using N,N - dimethyl-N,N -dicyclohexyltetradecylmalonamide (DMDCHTDMA) in 1,2-dichloroethane. Platinum can be effectively extracted by DMDCHTDMA without addition of tin(II) chloride, since extraction percentages (%E) of 88% and 99% have been achieved from 6 M and 8 M HCl, respectively. Moreover, platinum can be successfully stripped through a simple contact with a 1 M HCl solution. The effect of some experimental parameters such as equilibration time, diluent, extractant and HCl concentrations was systematically investigated. The loading capacity of DMDCHTDMA was also evaluated. Data obtained from successive extraction-stripping cycles suggest a good stability pattern of DMDCHTDMA. Preliminary extraction data achieved with single metal ion solutions pointed out to a possible separation of platinum(IV) from palladium(II).pt_PT
dc.identifier.citationSolvent Extr Ion Exc, 31: 12–23, 2013pt_PT
dc.identifier.doi10.1080/07366299.2012.700588pt_PT
dc.identifier.issn0736-6299
dc.identifier.otherAUT: AMC01695; MCO01181;
dc.identifier.urihttp://hdl.handle.net/10400.1/7398
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherTaylor & Francispt_PT
dc.relation.publisherversionhttp://www.tandfonline.com/doi/full/10.1080/07366299.2012.700588pt_PT
dc.subjectPlatinumpt_PT
dc.subjectMalonamide derivativespt_PT
dc.subjectLiquid-liquid extractionpt_PT
dc.subjectHydrochloric acidpt_PT
dc.titleLiquid-Liquid Extraction of Platinum from Chloride Media byN,N′-Dimethyl-N,N′-Dicyclohexyltetradecylmalonamidept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FQUI-QUI%2F109970%2F2009/PT
oaire.citation.endPage23pt_PT
oaire.citation.startPage12pt_PT
oaire.citation.titleSolvent Extraction and Ion Exchangept_PT
oaire.citation.volume31pt_PT
oaire.fundingStream3599-PPCDT
person.familyNameCosta
person.familyNameAssunção
person.familyNameRosa da Costa
person.givenNameMaria Clara
person.givenNameAna
person.givenNameAna M
person.identifier305029
person.identifier.ciencia-id7110-A28E-3C8A
person.identifier.ciencia-idA418-A85E-5DB1
person.identifier.orcid0000-0003-1340-5237
person.identifier.orcid0000-0002-2519-2817
person.identifier.orcid0000-0003-0225-9537
person.identifier.ridM-6189-2013
person.identifier.ridE-2165-2012
person.identifier.scopus-author-id35354952400
person.identifier.scopus-author-id18036433200
person.identifier.scopus-author-id53986075100
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication11c29f10-6e2b-40d8-9c74-2cc45be6d7a7
relation.isAuthorOfPublication7b4d7528-ef19-45ae-af36-34b7b824c575
relation.isAuthorOfPublication0ca8c16f-6881-4662-bafc-cc51c5ce8d88
relation.isAuthorOfPublication.latestForDiscovery11c29f10-6e2b-40d8-9c74-2cc45be6d7a7
relation.isProjectOfPublicatione6818a69-8b2b-461c-b1d1-6b70bec8b2d7
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