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Adsorption of chromium(VI) by titanium(IV) oxide coated on a silica gel surface

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dc.contributor.authorKubota, L. T.
dc.contributor.authorGushikem, Y.
dc.contributor.authorMoreira, J. C. [UNESP]
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:26:26Z
dc.date.available2014-05-20T15:26:26Z
dc.date.issued1991-03-01
dc.description.abstractTitanium(IV) oxide, coated on the surface of silica gel (surface area, 308 m2 g-1; amount of Ti(IV) per gram of modified silica gel, 1.8 x 10(-3) mol), was used to adsorb CrO4(2-) ions from acidic solutions. The exchange capacity increased at lower pH values and was affected to some extent by the acid used. The material was used to preconcentrate Cr(VI) from 0.5 ppm solutions of chromate very efficiently and virtually 100% recovery was achieved in every instance.en
dc.description.affiliationUNIV CAMPINAS,INST QUIM,CP 6154,BR-13081 CAMPINAS,SP,BRAZIL
dc.description.affiliationUNESP ARARAQUARA,INST QUIM,BR-14800 ARARAQUARA,SP,BRAZIL
dc.description.affiliationUnespUNESP ARARAQUARA,INST QUIM,BR-14800 ARARAQUARA,SP,BRAZIL
dc.format.extent281-283
dc.identifierhttp://dx.doi.org/10.1039/an9911600281
dc.identifier.citationAnalyst. Cambridge: Royal Soc Chemistry, v. 116, n. 3, p. 281-283, 1991.
dc.identifier.doi10.1039/an9911600281
dc.identifier.issn0003-2654
dc.identifier.urihttp://hdl.handle.net/11449/36603
dc.identifier.wosWOS:A1991FC83300013
dc.language.isoeng
dc.publisherRoyal Soc Chemistry
dc.relation.ispartofAnalyst
dc.relation.ispartofjcr3.864
dc.relation.ispartofsjr1,249
dc.rights.accessRightsAcesso restritopt
dc.sourceWeb of Science
dc.subjectTitanium(IV) oxide modified silicaen
dc.subjectSilica gel surface coated with titanium(IV) oxideen
dc.subjectChromium(VI) determinationen
dc.subjectPreconcentration of chromium(VI)en
dc.titleAdsorption of chromium(VI) by titanium(IV) oxide coated on a silica gel surfaceen
dc.typeArtigopt
dcterms.licensehttp://www.rsc.org/AboutUs/Copyright/LicencetoPublishforjournals.asp
dcterms.rightsHolderRoyal Soc Chemistry
dspace.entity.typePublication
unesp.author.orcid0000-0001-8189-2618[1]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt

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Araraquara - IQAR - Instituto de Química