Surface charge density dependency on Al2O3 content in imogolite
Clays and Clay Minerals
By: E. A. Jenne
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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)
| 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 |
| Publication Date | July 01, 2024 |
| Year Published | 1972 |
| Language | English |
| Publisher | The Clay Minerals Society |
| Description | 3 p. |
| First page | 101 |
| Last page | 103 |