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 | Acesso ao texto completo restrito à biblioteca da Embrapa Instrumentação. Para informações adicionais entre em contato com cnpdia.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Instrumentação. |
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Data corrente: |
29/03/2006 |
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Data da última atualização: |
29/03/2006 |
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Autoria: |
ALBUQUERQUE, J. E. de; MATTOSO, L. H. C.; FARIA, R. M.; MASTER, J.; MACDIARMID, A. G. |
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Título: |
A simple method to estimate the oxidation state of polyanilines. |
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Ano de publicação: |
1998 |
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Fonte/Imprenta: |
In: INTERNATIONAL CONFERENCE ON SCIENCE AND TECHNOLOGY OF SYNTHETIC METALS=CONFERENCE INTERNATIONALE SUR LA SCIENCE ET LA TECHNOLOGIE DES METAUX SYNTHETIQUES, 1998, Montpellier. Book of abstracts... Montpellier: [s.l.], 1998. p.89, ref. TUC44. |
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Idioma: |
Inglês |
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Conteúdo: |
The electrical properties of polyanilines are highly dependent on the polymer oxidation state. In order to obtain a simple method to determine the polymer oxidation state a systematic study was carried out to investigate the interconversion between the oxidation state by ultraviolet-visible spectroscopy. The emeraldine base oxidation state is obtained where the exciton peak is a maximum for each derivative. The variation of oxidation state as a function of wavelength and absorption in the UV-Vis analysis is discussed. |
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Palavras-Chave: |
Espectroscopia; Polianilina; Polímero; Ultra-violeta; UV-Vis. |
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Categoria do assunto: |
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Marc: |
LEADER 01324naa a2200229 a 4500
001 1026993
005 2006-03-29
008 1998 bl --- 0-- u #d
100 1 $aALBUQUERQUE, J. E. de
245 $aA simple method to estimate the oxidation state of polyanilines.
260 $c1998
520 $aThe electrical properties of polyanilines are highly dependent on the polymer oxidation state. In order to obtain a simple method to determine the polymer oxidation state a systematic study was carried out to investigate the interconversion between the oxidation state by ultraviolet-visible spectroscopy. The emeraldine base oxidation state is obtained where the exciton peak is a maximum for each derivative. The variation of oxidation state as a function of wavelength and absorption in the UV-Vis analysis is discussed.
653 $aEspectroscopia
653 $aPolianilina
653 $aPolímero
653 $aUltra-violeta
653 $aUV-Vis
700 1 $aMATTOSO, L. H. C.
700 1 $aFARIA, R. M.
700 1 $aMASTER, J.
700 1 $aMACDIARMID, A. G.
773 $tIn: INTERNATIONAL CONFERENCE ON SCIENCE AND TECHNOLOGY OF SYNTHETIC METALS=CONFERENCE INTERNATIONALE SUR LA SCIENCE ET LA TECHNOLOGIE DES METAUX SYNTHETIQUES, 1998, Montpellier. Book of abstracts... Montpellier: [s.l.], 1998. p.89, ref. TUC44.
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