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Fe(III)-pillared montmorillonites: preparation and characterization

Published online by Cambridge University Press:  09 July 2018

M. A. Martin-Luengo ,
H. Martins-Carvalho ,
J. Ladriere  and
P. Grange
M. A. Martin-Luengo
Affiliation:
Université Catholique de Louvain, Catalyse et Chimie des Matériaux Divisés, Place Croix du Sud, 1, 1348 Louvain-la-Neuve
H. Martins-Carvalho
Affiliation:
Université Catholique de Louvain, Catalyse et Chimie des Matériaux Divisés, Place Croix du Sud, 1, 1348 Louvain-la-Neuve
J. Ladriere
Affiliation:
Université Catholique de Louvain, Chimie Organique, Analytique et Moléculaire, Chemin du Cyclotron, 2, 1348 Louvain-la-Neuve, Belgium
P. Grange
Affiliation:
Université Catholique de Louvain, Catalyse et Chimie des Matériaux Divisés, Place Croix du Sud, 1, 1348 Louvain-la-Neuve
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Abstract

Porous, high surface area solids have been prepared by intercalation of a trinuclear acetato hydroxy-iron(III) complex cation between the layers of montmorillonite and the resulting materials have been characterized in order to identify the nature of the iron intercalates formed during and after the cation exchange step. Spectroscopic studies demonstrated that at 623 K, the iron complex was partially decomposed and α-Fe2O3 was only detected in samples heated at high temperatures, > 923 K. Under these conditions, the dehydroxylation of the montmorillonite layers led to the collapse of the structure.

Type
Research Article
Information
Clay Minerals , Volume 24 , Issue 3 , September 1989 , pp. 495 - 504
Copyright
Copyright © The Mineralogical Society of Great Britain and Ireland 1989

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