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Registro Completo |
Biblioteca(s): |
Embrapa Soja. |
Data corrente: |
14/07/1992 |
Data da última atualização: |
08/05/2006 |
Autoria: |
GONZALES, M.; IGUE, K. |
Afiliação: |
IICA. |
Título: |
Medicion de la densidad de carga superficial en arcillas alofanicas por adsorcion de diquat y paraquat. |
Ano de publicação: |
1972 |
Fonte/Imprenta: |
Turrialba, v.22, n.1, p.102-105, 1972. |
Idioma: |
Espanhol |
Conteúdo: |
Surface charge density of clay minerals predominantly allophanic, was measured by competitive adsorption of diquat+2 and paraquat+2. The value measured for one clay sample (Cervantes soil) was found to be 9.10 4 esu/cm2 (3.21 x 10 -3 meq/m2). This value is close to that obtained by the method of CIC/surface, at pH 7.0. Highly colored solutions obtained after equilibration was indicated as the main problem in allophanic clays. The method should be improved before it is recommended as routinary technique. |
Thesagro: |
Argila; Solo. |
Thesaurus Nal: |
clay minerals; soil. |
Categoria do assunto: |
-- |
Marc: |
LEADER 00992naa a2200181 a 4500 001 1457683 005 2006-05-08 008 1972 bl --- 0-- u #d 100 1 $aGONZALES, M. 245 $aMedicion de la densidad de carga superficial en arcillas alofanicas por adsorcion de diquat y paraquat. 260 $c1972 520 $aSurface charge density of clay minerals predominantly allophanic, was measured by competitive adsorption of diquat+2 and paraquat+2. The value measured for one clay sample (Cervantes soil) was found to be 9.10 4 esu/cm2 (3.21 x 10 -3 meq/m2). This value is close to that obtained by the method of CIC/surface, at pH 7.0. Highly colored solutions obtained after equilibration was indicated as the main problem in allophanic clays. The method should be improved before it is recommended as routinary technique. 650 $aclay minerals 650 $asoil 650 $aArgila 650 $aSolo 700 1 $aIGUE, K. 773 $tTurrialba$gv.22, n.1, p.102-105, 1972.
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Registro original: |
Embrapa Soja (CNPSO) |
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Registros recuperados : 2 | |
2. | | PALHANO, J. B.; MUZILLI, O.; IGUE, K.; GARCIA, A.; SFREDO, G. J. Adubacao fosfatada e potassica em cultura de soja no Estado do Parana. Pesquisa Agropecuaria Brasileira, Brasilia, DF, v.18, n.4, p.357-362, abr. 1983.Biblioteca(s): Embrapa Soja; Embrapa Unidades Centrais. |
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