Tricalcium phosphate is a calcium salt of phosphoric acid with the chemical formula Ca3(PO4)2.This agent can be used as a countermeasure for exposure to strontium and radium radionuclides.
Calcium phosphate (tri calcium phosphate) is a colorless amorphous solid. Its pure form can be obtained by melting CaO with phosphorus (V) oxide at 1100°C.Calcium phosphate occurs naturally as the minerals: oxydapatit, voelicherite and whitlockite.