Determination of Cd(II) by FAAS in aqueous medium after preconcentration in line on a SiAT.

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (Unesp)-
Autor(es): dc.creatorMoraes, F. V. de-
Autor(es): dc.creatorAlcantara, I. L. de-
Autor(es): dc.creatorRoldan, P. D.-
Autor(es): dc.creatorCastro, G. R. de-
Autor(es): dc.creatorMargionte, MAL-
Autor(es): dc.creatorPadilha, P. D.-
Data de aceite: dc.date.accessioned2022-02-22T00:06:47Z-
Data de disponibilização: dc.date.available2022-02-22T00:06:47Z-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2020-12-09-
Data de envio: dc.date.issued2003-01-01-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/195745-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/195745-
Descrição: dc.descriptionThis paper described the preparation of 2-aminothiazole modified silica gel (SiAT) and the results of a study of the sorption and preconcentration (in batch and in flow using a column technique) of Cd(II) in aqueous medium. The sorption capacities for metal ion was 1.12 mmol g-1. The results obtained in the flow experiments, showed a recovery of 98% of Cd(II) adsorbed in a column packed with 1 g of SiAT, using 5.0 mL of 2.0 mol L-1 hydrochloric acid as eluent. An enrichment factor of 25 (150 mL solution containing 25 dug L-1 of Cd(II), 5.0 mL concentrated) was obtained by this preconcentration procedure. The sorption-desorption of Cd(II) made possible the development of a preconcentration method and quantification:by Flame AAS of Cd(II) at trace level in aqueous samples.-
Descrição: dc.descriptionUniv Estadual Paulista, Inst Biociencias, Dept Quim & Bioquim, BR-18618000 Botucatu, SP, Brazil-
Descrição: dc.descriptionUNESP, Inst Quim, Dept Quim Analit, BR-14800900 Araraquara, SP, Brazil-
Descrição: dc.descriptionUniv Estadual Paulista, Inst Biociencias, Dept Quim & Bioquim, BR-18618000 Botucatu, SP, Brazil-
Descrição: dc.descriptionUNESP, Inst Quim, Dept Quim Analit, BR-14800900 Araraquara, SP, Brazil-
Formato: dc.format9-17-
Idioma: dc.languagept_BR-
Publicador: dc.publisherEditora Unesp-
Relação: dc.relationEcletica Quimica-
???dc.source???: dc.sourceWeb of Science-
Palavras-chave: dc.subjectpreconcentration-
Palavras-chave: dc.subject2-aminothiazole modified silica gel-
Palavras-chave: dc.subjectflame atomic absorption spectrometry-
Título: dc.titleDetermination of Cd(II) by FAAS in aqueous medium after preconcentration in line on a SiAT.-
Tipo de arquivo: dc.typelivro digital-
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