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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
21/01/1998 |
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Data da última atualização: |
18/07/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
BRUNE, W.; FABRIS, J. D.; JOSE, S. |
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Afiliação: |
EMBRAPA-CNPMS. |
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Título: |
The canavanine-pentacyanoamine ferrate complex formation. |
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Ano de publicação: |
1988 |
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Fonte/Imprenta: |
Anais da Academia Brasileira de Ciências, Rio de Janeiro, v. 60, n. 3, p. 255-263, 1988. |
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Idioma: |
Português |
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Conteúdo: |
The complexation of pentacyanoamine ferrate with canavanine is not a specific one. Other amino acids, especially tryptophan and histidine may also react with proper analytical features. Se also do the indolyl and imidazolyl moieties of nonamino acids. Photoactivation does neither seem to occur by exposure of the pentacyanoamine ferrate reagent to daylight, nor is it a perequisite for a more sensitive response of canavanine complexation. On the other hand, oxidants and reducers may well interfere with the absorbance of the complex. In addition molar absorbance, stoichiometric ratio of the complex, and reation-order kinetics were determined. By mean of temperature programming equilibrion constant andreaction kinetics, enthalpy, Gibbs nenergy, entropy values, and activation energy of complex formation were stablished. |
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Thesagro: |
Oxido de Ferro. |
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Thesaurus Nal: |
iron; oxides. |
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Categoria do assunto: |
W Química e Física |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/48153/1/Canavanine-pentacyanoamine.pdf
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Marc: |
LEADER 01345naa a2200181 a 4500
001 1478718
005 2018-07-18
008 1988 bl uuuu u00u1 u #d
100 1 $aBRUNE, W.
245 $aThe canavanine-pentacyanoamine ferrate complex formation.$h[electronic resource]
260 $c1988
520 $aThe complexation of pentacyanoamine ferrate with canavanine is not a specific one. Other amino acids, especially tryptophan and histidine may also react with proper analytical features. Se also do the indolyl and imidazolyl moieties of nonamino acids. Photoactivation does neither seem to occur by exposure of the pentacyanoamine ferrate reagent to daylight, nor is it a perequisite for a more sensitive response of canavanine complexation. On the other hand, oxidants and reducers may well interfere with the absorbance of the complex. In addition molar absorbance, stoichiometric ratio of the complex, and reation-order kinetics were determined. By mean of temperature programming equilibrion constant andreaction kinetics, enthalpy, Gibbs nenergy, entropy values, and activation energy of complex formation were stablished.
650 $airon
650 $aoxides
650 $aOxido de Ferro
700 1 $aFABRIS, J. D.
700 1 $aJOSE, S.
773 $tAnais da Academia Brasileira de Ciências, Rio de Janeiro$gv. 60, n. 3, p. 255-263, 1988.
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