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Type: Artigo de periódico
Title: Pentacyanoferrates(ii) On The Surface Of Organomodified Silica Gel: The Matrix Effect
Author: Filho U.P.R.
Gushikem Y.
Fujiwara F.Y.
Stadler E.
Drago V.
Abstract: Pentacyanoferrate(II) absorbed on a silica gel surface previously modified with 3-aminopropyl and 3-imidazolylpropyl groups were characterized by 13C MAS/NMR, FT-IR, Mössbauer spectroscopy, and cyclic voltammetry. FT-IR and 13C MAS/NMR data indicated that the pentacyanoferrate(II) complex is bonded to the surface by the nitrogen atom of the functional group. The differences in the isomeric shifts, the quandrupole splittings and the midpoint potentials of the adsorbed complexes in comparison with the model complexes were attributed to the matrix polar effect-i.e., the interaction of the complex with polar groups on the silica surface. © 1994 Plenum Publishing Corporation.
Editor: Kluwer Academic Publishers-Plenum Publishers
Rights: fechado
Identifier DOI: 10.1007/BF02265355
Date Issue: 1994
Appears in Collections:Unicamp - Artigos e Outros Documentos

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