Mineral: |
Montmorillonite |
Reference: |
RSBM81 |
Supplier: |
Clay Minerals Society Source Clays Repository |
Trade Name: |
SWy-1 (Crook County, Wyoming) |
Deposit: |
Belle Fourche |
Preparation: |
sand fraction was removed by centrifugation; treated with pH5 acetate buffer in order to remove carbonates; remove organics by H2O2 and iron oxides with citrate and Na-dithionite; conversion into Na form |
Comment: |
CEC 0.95 and 1.07 (Ca and Na method) |
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