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Environmental Geology

, Volume 4, Issue 1, pp 23–29 | Cite as

A tabulation and evaluation of ion exchange data on smectites

  • L. V. Benson
Article

Abstract

An extensive search of the literature was made for ion exchange data on smectites. The data, in the form of ion exchange equilibrium constants and free energies of exchange, have been tabulated and evaluated. Equilibrium constants describing monovalent-monovalent and monovalent-divalent types of exchange for the same reaction on the same type of smectite were found to differ by as much as an order of magnitude. While some of the difference can be attributed to variance in experimental procedures, much of the difference appears due to differences in charge densities and effective field strengths of the smectites, which are in turn related to the amount and type of substitution on intercrystalline octahedral and tetrahedral sites.

Keywords

Free Energy Field Strength Charge Density Equilibrium Constant Exchange Data 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag New York Inc 1982

Authors and Affiliations

  • L. V. Benson
    • 1
  1. 1.Oakland

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