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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: Acta Biomater. 2008 Jul 2;5(1):508–517. doi: 10.1016/j.actbio.2008.06.010

Table 4.

Solubility of βTCP and βMgTCP after immersion for 1.5 months at 25 oC

Mg/(Ca+Mg) (mol.%) Composition of equilibrium solutions
pKsp
Ca (mM) P (mM) Mg (mM) pH
0 4.444±0.102 3.031±0.055 0±0.000 5.84±0.01 29.30±0.04
2.3 2.963±0.064 2.014±0.048 0.059±0.001 5.70±0.01 30.80±0.08
4.9 2.186±0.103 1.564±0.066 0.099±0.004 5.65±0.01 31.65±0.08
7.3 1.762±0.036 1.306±0.029 0.134±0.002 5.62±0.01 32.26±0.05
10.1 1.384±0.019 1.071±0.026 0.164±0.003 5.59±0.00 32.87±0.04