Comparison of metallic and ceramic tubes as atomization cells for tin determination by TS-FF-AAS

Registro completo de metadados
MetadadosDescriçãoIdioma
Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUFMT - Universidade Federal do Mato Grosso-
Autor(es): dc.creatorLobo, Fabiana Aparecida-
Autor(es): dc.creatorVillafranca, Ana Cristina-
Autor(es): dc.creatorDe Oliveira, Adriana Paiva-
Autor(es): dc.creatorDe Moraes, Mercedes-
Data de aceite: dc.date.accessioned2025-08-21T21:30:49Z-
Data de disponibilização: dc.date.available2025-08-21T21:30:49Z-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2022-04-28-
Data de envio: dc.date.issued2007-01-01-
Fonte completa do material: dc.identifierhttp://hdl.handle.net/11449/224880-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/224880-
Descrição: dc.descriptionThis work describes the development of an analytical procedure for on-line tin determination using thermospray flame furnace atomic absorption spectrometry (TS-FF-AAS). Two tubes were evaluated as atomization cells: a metallic tube (Ni-Cr, principal components composition: 73.95% Ni and 16.05% Cr) and a ceramic tube (998% Al2O3,). The use of air as the carrier was made by employing a Rheodyne valve to inject the samples, allowing an analytical frequency of 90 h-1 and avoiding sample dispersion. The carrier flow rate (air), sample volume injected, and acid concentration (HCl) were evaluated for the optimization of the TS-FF-AAS system. The sensitivity for 50 mL of analytical solution with TS-FF-AAS was 2 and 5 times higher (to metallic and ceramic tube, respectively) than using an acetylene-nitrous oxide flame with pneumatic aspiration (requiring a sample volume of approximately 20 times higher).-
Descrição: dc.descriptionDepartamento de Química Analítica UNESP-Universidade Estadual Paulista, P.O. Box 355, 14801-970, Araraquara-SP-
Descrição: dc.descriptionDepartamento de Química UFMT - Universidade Federal do Mato Grosso, 78060-900, Cuiabá-MT-
Descrição: dc.descriptionDepartamento de Química Analítica UNESP-Universidade Estadual Paulista, P.O. Box 355, 14801-970, Araraquara-SP-
Formato: dc.format17-23-
Idioma: dc.languageen-
Relação: dc.relationAtomic Spectroscopy-
???dc.source???: dc.sourceScopus-
Título: dc.titleComparison of metallic and ceramic tubes as atomization cells for tin determination by TS-FF-AAS-
Tipo de arquivo: dc.typelivro digital-
Aparece nas coleções:Repositório Institucional - Unesp

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