https://repositorio.ufba.br/handle/ri/14863
Campo DC | Valor | Idioma |
---|---|---|
dc.contributor.author | Almeida, Jorge Santos de | - |
dc.contributor.author | Soares, Vitória Regina Bispo | - |
dc.contributor.author | Andrade, Camila J. | - |
dc.contributor.author | Silva, José Domingos S. da | - |
dc.contributor.author | Dantas, Alailson Falcão | - |
dc.contributor.author | Rocha, Gisele Olímpio da | - |
dc.contributor.author | Teixeira, Leonardo Sena Gomes | - |
dc.creator | Almeida, Jorge Santos de | - |
dc.creator | Soares, Vitória Regina Bispo | - |
dc.creator | Andrade, Camila J. | - |
dc.creator | Silva, José Domingos S. da | - |
dc.creator | Dantas, Alailson Falcão | - |
dc.creator | Rocha, Gisele Olímpio da | - |
dc.creator | Teixeira, Leonardo Sena Gomes | - |
dc.date.accessioned | 2014-04-24T12:14:46Z | - |
dc.date.available | 2014-04-24T12:14:46Z | - |
dc.date.issued | 2013 | - |
dc.identifier.issn | 0100-4042 | - |
dc.identifier.uri | http://repositorio.ufba.br/ri/handle/ri/14863 | - |
dc.description | p. 880-884 | pt_BR |
dc.description.abstract | A sensitive spectrophotometric method was developed for sulphate determination in automotive ethanol fuel. The method based on the reaction of the analyte with barium-dibromosulphonazo(III) complex lead to a decrease in the magnitude of the absorbance signals monitored at 649 nm. No sample pretreatment is required and the proposed method allows sulphate determination in the 0.45 - 6.50 mg L-1 range with R.S.D. < 2% and limit of detection of 0.14 mg L-1. The method has been successfully applied for sulphate determination in automotive ethanol fuel and the results agreed with the reference chromatographic method. | pt_BR |
dc.language.iso | pt_BR | pt_BR |
dc.rights | Acesso Aberto | pt_BR |
dc.source | http://dx.doi.org/10.1590/S0100-40422013000600024 | pt_BR |
dc.subject | Sulphate | pt_BR |
dc.subject | Ethanol fuel | pt_BR |
dc.subject | Spectrophotometry | pt_BR |
dc.title | Determinação espectrofotométrica de sulfato em álcool etílico combustível empregando dibromosulfonazo III | pt_BR |
dc.title.alternative | Química Nova | pt_BR |
dc.type | Artigo de Periódico | pt_BR |
dc.identifier.number | v. 36, n. 6 | pt_BR |
dc.publisher.country | Brasil | pt_BR |
Aparece nas coleções: | Artigo Publicado em Periódico (Química) |
Os itens no repositório estão protegidos por copyright, com todos os direitos reservados, salvo quando é indicado o contrário.