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Surface charge density dependency on Al2O3 content in imogolite

Clays and Clay Minerals

By:
https://doi.org/10.1346/CCMN.1972.0200209

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Abstract

An analysis of the available literature data indicates that the cation exchange capacity and surface charge density of imogolite decrease systematically as the mole % of Al2O3 (i.e. 100 Al2O3/SIO2 + Al2O3) increases. This behavior is analogous to that of synthetic aluminosilicates. In contrast, no relation is apparent between the cation exchange capacity and mole % Al2O3 for allophane. This difference is rather striking and although both are amorphic, i.e. show minimal specific X-ray diffraction effects, imogolite is somewhat more crystalline than allophane (Russell et al., 1969)

Additional publication details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Surface charge density dependency on Al2O3 content in imogolite
Series title:
Clays and Clay Minerals
DOI:
10.1346/CCMN.1972.0200209
Volume:
20
Issue:
2
Year Published:
1972
Language:
English
Publisher:
The Clay Minerals Society
Description:
3 p.
First page:
101
Last page:
103