Saturation indices for selected

The results of the river water and seawater test cases computed by the aqueous models listed in Table I are summarized in Tables IV-X. Tables IV and V compare selected major and minor species computed for the river water test case, and Tables VI and VII make a similar comparison for the seawater test case. Table VIII compares activity coefficients computed for the major species in seawater and Table IX and X tabulate saturation indices for selected minerals in the river water and seawater test... 

Table 6.4. Calculated Saturation Indices for selected minerals.

Recarbonation of the L2 leachate affects the activity of both Ca and by lowering the pH. Key mineral phases in the sandstone-leachate system which might control the activity of Mg + are shown in Figures 3 and 4. In the computations for these diagrams, dissolved silica activity and pH were fixed at the values observed after reaction with the sandstone. Calculated saturation indices for selected Mg-bearing minerals are given in Tkble III. 

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