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. 2019 Nov 27;12(23):3926. doi: 10.3390/ma12233926

Table 3.

Calcium phosphate phases [46].

Phase Composition Ca/P
Brushite (DCPD) CaHPO4 2H2O 1.00
Monetite (DCPA) CaHPO4 1.00
Octacalcium phosphate (OCP) Ca4H(PO4)3 2.5H2O 1.33
Whitlockite/tricalcium phosphate (TCP) Ca3H(PO4)2 1.50
Hydroxyapatite (HAP) Ca5(PO4)3OH 1.67
Amorphous calcium phosphate (ACP) - -