Hostname: page-component-7479d7b7d-rvbq7 Total loading time: 0 Render date: 2024-07-15T22:36:18.588Z Has data issue: false hasContentIssue false
  • English
  • Français

Experimental Evaluation of Ca-K Exchange Selectivity Reactions in Estuarine Sediments

Published online by Cambridge University Press:  01 July 2024

R. E. Ferrell Jr.  and
A. S. P. Murthy
R. E. Ferrell Jr.
Affiliation:
Department of Geology, Louisiana State University, Baton Rouge, LA 70803, U.S.A.
A. S. P. Murthy
Affiliation:
Department of Geology, Louisiana State University, Baton Rouge, LA 70803, U.S.A.
Get access Rights & Permissions [Opens in a new window]

Abstract

Clay materials separated from estuarine sediments in Louisiana exhibit a selectivity for exchangeable calcium in laboratory experiments. The studies were conducted at 25°C and 60°C in mixed calcium and potassium chloride solutions in which the equivalent fraction of potassium varied from 0.12 to 0.54. Calcium selectivity was observed to increase with an increase in the equivalent fraction of potassium in the external solution and the temperature. The results suggest the possible importance of ion exchange reactions in the regulation of calcium availability during early diagenetic reactions in sediments.

Type
Research Article
Information
Clays and Clay Minerals , Volume 25 , Issue 1 , February 1977 , pp. 26 - 30
Copyright
Copyright © Clay Minerals Society 1977

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

Footnotes

*

Visiting Lecturer, 1975-76, University of Sheffield.

References

Anderson, J. U. (1963) An improved pretreatment for mineralogical analysis of samples containing organic matter: Clays & Clay Minerals 10, 380–388.Google Scholar
Bolt, G. H., Sumner, M. E. and Kamphorst, A. (1963) A study of the equilibria between three categories of potassium in an illitic soil: Soil Sci. Soc. Am. Proc. 27, 294–299.CrossRefGoogle Scholar
Brooks, R. A. and Ferrell, R. E. (1967) The lateral distribution of clay minerals in Lakes Pontchartrain and Maurepas, Louisiana: J. Sed. Pet., 70, 855–863.Google Scholar
Devine, S. B., Ferrell, R. E. and Billings, G. K. (1973) Significance of ion exchange to interstitial solutions in clay sediments: Chem. Geol. 12, 219–228.CrossRefGoogle Scholar
Dolcaster, D. L., Lotse, E. G., Syers, J. K. and Jackson, M. L. (1968) Cation exchange selectivity of some clay-sized minerals and soil materials. Soil Sci. Soc. Am. Proc. 32, 795–798.CrossRefGoogle Scholar
Jackson, M. L. (1969) Soil Chemical Analysis—Advanced Course, 895 pp. M. L. Jackson, Madison, Wisconsin.Google Scholar
Keller, W. D. (1963) Diagenesis of clay minerals: a review: Clays & Clay Minerals 11, 136–157.Google Scholar
Kozak, L. M. and Huang, P. M. (1971) Adsorption of hydroxy-Al by certain phyllosilicates and its relation to K/Ca cation exchange selectivity. Clays & Clay Minerals 19, 95–102.CrossRefGoogle Scholar
Rich, C. I. and Black, W. R. (1964) Potassium exchange as affected by cation size, pH, and mineral structure: Soil Sci. 97, 384–390.CrossRefGoogle Scholar
Russell, K. L. (1970) Geochemistry and halmyrolysis of clay minerals, Rio Ameca, Mexico: Geochim. Cosmochim. Acta 34, 893–907.CrossRefGoogle Scholar
Wiklander, L. (1964) Cation and anion exchange phenomena. Chap. 4 in: Chemistry of the Soil (Ed. Bear, F. L.) Am. Chem. Soc. Mono. No. 160, 163–205.Google Scholar