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Different lubricating oil treatments for the determination of Cu, Cr, Fe, Ni, Sb, Pb, and Zn by HR-CS FAAS

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dc.contributor.authorResta, Volnei [UNESP]
dc.contributor.authorFilho, Amorim [UNESP]
dc.contributor.authorGomes Neto, José Anchieta [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T14:19:29Z
dc.date.available2014-05-20T14:19:29Z
dc.date.issued2008-01-01
dc.description.abstractMicrowave-assisted acid decomposition, direct dilution in kerosene, and oil-in-water emulsion were evaluated as lubricating oil pretreatment procedures for Cu, Cr, Fe, Ni, Pb, Sb, and Zn determination by High-Resolution Continuum Source Flame Atomic Absorption Spectrometry (HR-CS FAAS). For wet digestion, results were compared with those obtained by Flame Atomic Absorption Spectrometry (FAAS). The ultrasound probe used in emulsions sonication contaminated samples with Cr, although better results have been observed for the other six elements in this condition. In general, recovery percentages ranging from 81-106%(Cu), 80-107%(Cr), 85-114%(Fe), 82-116%(Ni), 86-117%(Pb), 85-115%(Sb), and 81-114%(Zn) were obtained. The HR-CS FAAS showed to be faster and more sensitive than FAAS.en
dc.description.affiliationUniv Estadual Paulista, Inst Quim, Dept Quim, Araraquara, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Quim, Dept Quim, Araraquara, SP, Brazil
dc.format.extent1555-1570
dc.identifierhttp://dx.doi.org/10.1080/00032710802122115
dc.identifier.citationAnalytical Letters. Philadelphia: Taylor & Francis Inc, v. 41, n. 9, p. 1555-1570, 2008.
dc.identifier.doi10.1080/00032710802122115
dc.identifier.issn0003-2719
dc.identifier.lattes8708735699846578
dc.identifier.urihttp://hdl.handle.net/11449/25883
dc.identifier.wosWOS:000258267500009
dc.language.isoeng
dc.publisherTaylor & Francis Inc
dc.relation.ispartofAnalytical Letters
dc.relation.ispartofjcr1.206
dc.relation.ispartofsjr0,344
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectHR-CS FAASen
dc.subjectlubricating oilen
dc.subjectmetalsen
dc.subjectsample preparationen
dc.titleDifferent lubricating oil treatments for the determination of Cu, Cr, Fe, Ni, Sb, Pb, and Zn by HR-CS FAASen
dc.typeArtigo
dcterms.licensehttp://journalauthors.tandf.co.uk/permissions/reusingOwnWork.asp
dcterms.rightsHolderTaylor & Francis Inc
dspace.entity.typePublication
unesp.author.lattes8708735699846578
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentQuímica Analítica - IQARpt

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Araraquara - IQAR - Instituto de Química