Nickel adsorption by soils in relation to pH, organic matter, and iron oxides

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dc.contributor.authorMellis, E. V.
dc.contributor.authorda Cruz, MCP
dc.contributor.authorCasagrande, J. C.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.date.accessioned2014-05-20T13:17:03Z
dc.date.available2014-05-20T13:17:03Z
dc.date.issued2004-03-01
dc.description.abstractThere is little information on nickel adsorption by Brazilian soils. The objective of this experiment was to determine the effect of pH, organic matter, and iron oxides on nickel adsorption by three soils: a clayey Anionic Rhodic Acrudox, a sandy clay loam Anionic Xanthic Acrudox, and a clayey Rhodic Hapludalf. Soil samples were collected from the 0-0.2 in layer and treated to eliminate organic matter and iron oxides. The nickel adsorption was evaluated in the original samples and in those treated to remove organic matter and to remove both, organic matter and iron oxides, using 2 g soil + 20 mL of 0.01 mol L-1 CaCl2 solution containing 5 mg L-1 Ni, pH varying from 3.5 to 7.5. The nickel adsorption decreased with the elimination of organic matter. For the samples without organic matter and iron oxides, adsorption decreased only in the Anionic Rhodic Acrudox. The pH was the main factor involved in nickel adsorption variation, and for soil samples without organic matter and iron oxides, the maximum adsorption occurred at higher pH values.en
dc.description.affiliationUNESP, Program Pos Grad Cienc Solo, FCAV, BR-14884900 Jaboticabal, SP, Brazil
dc.description.affiliationUNESP, Dept Solos & Adubos, FCAV, BR-14884900 Jaboticabal, SP, Brazil
dc.description.affiliationUFSCar CCA, Dept Recursos Nat & Protecao Ambiental, BR-13600970 Araras, SP, Brazil
dc.description.affiliationUnespUNESP, Program Pos Grad Cienc Solo, FCAV, BR-14884900 Jaboticabal, SP, Brazil
dc.description.affiliationUnespUNESP, Dept Solos & Adubos, FCAV, BR-14884900 Jaboticabal, SP, Brazil
dc.format.extent190-195
dc.identifierhttp://dx.doi.org/10.1590/S0103-90162004000200011
dc.identifier.citationScientia Agricola. Piracicaba: Univ Sao Paolo, v. 61, n. 2, p. 190-195, 2004.
dc.identifier.doi10.1590/S0103-90162004000200011
dc.identifier.fileWOS000225443300011.pdf
dc.identifier.issn0103-9016
dc.identifier.lattes5188794889460209
dc.identifier.scieloS0103-90162004000200011
dc.identifier.urihttp://hdl.handle.net/11449/3664
dc.identifier.wosWOS:000225443300011
dc.language.isoeng
dc.publisherUniversidade de São Paulo (USP)
dc.relation.ispartofScientia Agricola
dc.relation.ispartofsjr0,578
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectNi adsorptionpt
dc.subjecttropical soilspt
dc.titleNickel adsorption by soils in relation to pH, organic matter, and iron oxidesen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/sa/iaboutj.htm#003
dcterms.rightsHolderUniv Sao Paolo
unesp.author.lattes5188794889460209
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt

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Artigos - Solos e Adubos - FCAV