The inorganic phases of the powders were mainly composed of HAP and definite Calcium Hydrogen Phosphate( DCPA )which changed with the final pH of co-precipitating process .
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- 粉体无机晶相主要由HAP和一定磷酸氢钙 (DCPA)构成;DCPA相对含量随 pH的不同发生变化.