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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 [HxPO4x-3] (mM) | Titrant [Ca2+] (mM) | Titrant [HxxPO4x-3] (mM) |
|---|---|---|---|---|
| I | 0 | 10 | 16 | 10 |
| II | 4.1 | 0 | 4.1 | 2.5 |
| III | 0 | 2.5 | 4.1 | 2.5 |
