Table 4 Solubility for the (Ca1−xNix)CO3 solid solutions after 240-300d dissolution in CO2-saturated water at 25 °C
From: Dissolution and solubility of the calcium-nickel carbonate solid solutions [(Ca1−xNix)CO3] at 25 °C
Sample | Calcite-structure phase | Aragonite-structure phase | Amorphous phase | |||
|---|---|---|---|---|---|---|
*XNi | Mean log IAP | *XNi | Mean log IAP | *XNi | Mean log IAP | |
aCN-00 | 0.000 | − 8.16 ± 0.11 | ||||
bCN-00 | 0.000 | − 8.10 ± 0.08 | ||||
CN-01 | 0.084 | − 7.93 ± 0.04 | 0.007 | − 7.89 ± 0.05 | ||
CN-02 | 0.103 | − 7.87 ± 0.02 | 0.019 | − 7.86 ± 0.02 | ||
CN-03 | 0.188 | − 7.67 ± 0.03 | 0.116 | − 7.67 ± 0.04 | 0.697 | − 7.72 ± 0.03 |
CN-04 | 0.238 | − 7.36 ± 0.03 | 0.166 | − 7.33 ± 0.03 | 0.769 | − 7.58 ± 0.02 |
aCN-05 | 0.219 | − 7.47 ± 0.01 | 0.224 | − 7.47 ± 0.01 | 0.789 | − 7.68 ± 0.04 |
bCN-05 | 0.228 | − 7.49 ± 0.01 | 0.221 | − 7.49 ± 0.01 | 0.792 | − 7.68 ± 0.03 |
CN-06 | 0.212 | − 7.40 ± 0.02 | 0.215 | − 7.40 ± 0.02 | 0.814 | − 7.61 ± 0.01 |
CN-07 | 0.184 | − 7.48 ± 0.02 | 0.124 | − 7.47 ± 0.02 | 0.886 | − 7.61 ± 0.02 |
CN-08 | 0.080 | − 7.58 ± 0.03 | 0.940 | − 7.63 ± 0.01 | ||
CN-09 | 0.980 | − 7.63 ± 0.03 | ||||
aCN-10 | 1.000 | − 7.69 ± 0.03 | ||||
bCN-10 | 1.000 | − 7.62 ± 0.01 | ||||
Rhawn’s NiCO3 | 1.000 | − 7.66 ± 0.03 | ||||