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Different ionic concentrations in the initial reaction systems and in the titrant solutions for different apatite crystallization experiments.
| System | Initial [Ca2+] (mM) | Initial [PO43−] (mM) | Titrant [Ca2+] (mM) | Titrant [PO43−] (mM) | Cumulative titration rate (ml/day) | pH |
|---|---|---|---|---|---|---|
| I | 1.6 | 1.0 | 8.2 | 5.0 | 1.2 | 7.4 |
| II | 4.1 | 0 | 8.2 | 5.0 | 1.2 | 7.4 |
| III | 0 | 2.5 | 8.2 | 5.0 | 1.2 | 7.4 |
