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Table 1 Summary of the synthesis and composition of calcite-rhodochrosite solid solutions [(Ca1-xMnx)CO3]

From: Dissolution and solubility of calcite-rhodochrosite solid solutions [(Ca1-xMnx)CO3] at 25 °C

Sample No Volume of the precursors (mL) Mn/(Ca + Mn) molar ratio (x)
2 M Ca(NO3)2 2 M Mn(NO3)2 0.5 M NH4HCO3 Starting solution Synthetic solida Synthetic solidb After 300d dissolution in waterb
Air-saturated N2-degassed CO2-Saturated
CR-00 50 0 1000 0.00 0.00 0.00 0.00 0.00 0.00
CR-01 45 5 1000 0.10 0.11 0.07 0.12 0.12 0.12
CR-02 40 10 1000 0.20 0.22 0.17 0.24 0.24 0.24
CR-03 35 15 1000 0.30 0.32 0.25 0.35 0.34 0.35
CR-04 30 20 1000 0.40 0.42 0.34 0.46 0.45 0.45
CR-05 25 25 1000 0.50 0.53 0.43 0.56 0.55 0.56
CR-06 20 30 1000 0.60 0.63 0.62 0.66 0.65 0.65
CR-07 15 35 1000 0.70 0.72 0.73 0.74 0.73 0.75
CR-08 10 40 1000 0.80 0.83 0.84 0.84 0.84 0.84
CR-09 5 45 1000 0.90 0.92 0.92 0.93 0.92 0.93
CR-10 0 50 1000 1.00 1.00 1.00 1.00 1.00 1.00
  1. aChemical analysis; bEDS analysis