Campo DC | Valor | Idioma |
dc.contributor.author | Costa, Antonio Celso Spinola | - |
dc.contributor.author | Assis, Júlio César Rosa | - |
dc.contributor.author | Torres, André Luís Carvalho | - |
dc.contributor.author | Ferreira, Sergio Luis Costa | - |
dc.contributor.author | Korn, Maria das Graças Andrade | - |
dc.contributor.author | Teixeira, Leonardo Sena Gomes | - |
dc.creator | Costa, Antonio Celso Spinola | - |
dc.creator | Assis, Júlio César Rosa | - |
dc.creator | Torres, André Luís Carvalho | - |
dc.creator | Ferreira, Sergio Luis Costa | - |
dc.creator | Korn, Maria das Graças Andrade | - |
dc.creator | Teixeira, Leonardo Sena Gomes | - |
dc.date.accessioned | 2011-12-19T14:50:27Z | - |
dc.date.available | 2011-12-19T14:50:27Z | - |
dc.date.issued | 1999 | - |
dc.identifier.issn | 0100-4042 | - |
dc.identifier.uri | http://www.repositorio.ufba.br/ri/handle/ri/4900 | - |
dc.description | p. 194-196,Mar/Apr. | pt_BR |
dc.description.abstract | Spectrophotometric determination of chromium with EDTA using microwave oven. Cr(III) slowly forms a violet complex with EDTA at pH 2.5-5.0 under normal conditions. The complex formation can be accelerated by irradiating the reacting mixture with microwave energy. The complex Cr(III)-EDTA is completely formed within 3 minutes of microwave irradiation and followed by a simple and rapid method for spectrophotometric determination of chromium. The method may be successfully applied to determination of chromium in catalyst. | pt_BR |
dc.language.iso | pt_BR | pt_BR |
dc.source | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-40421999000200009&lng=en&nrm=iso | pt_BR |
dc.subject | Chromium | pt_BR |
dc.subject | EDTA | pt_BR |
dc.subject | Spectrophotometric | pt_BR |
dc.subject | Microwave oven | pt_BR |
dc.title | Uso de irradiação de microondas na determinação espectrofotométrica de cromo com EDTA | pt_BR |
dc.title.alternative | Química Nova | pt_BR |
dc.type | Artigo de Periódico | pt_BR |
dc.description.localpub | São Paulo | pt_BR |
dc.identifier.number | v. 22, n. 2. | pt_BR |
Aparece nas coleções: | Artigo Publicado em Periódico (Química)
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