Base exchange

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  1. The clay particle with its cations may be regarded as a kind of salt in which the colloidal clay particle is the anion. Certain cations may replace others, making the clay more flocculent. The cation replacement is known as the base exchange. Syn: ion exchange; cation exchange. AGI
  2. The physicochemical process by which one species of ions adsorbed on soil particles is replaced by another species. See also: zeolite process

Source: Dictionary of Mining, Mineral, and Related Terms

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