Tricalcium phosphate ¢ñchemical name: tricalcium phosphate molecular formula: ca3(po4)2¡¤h2o ¢òmolecular weight: 1004.64 ¢óproperties: mixture of different phosphorus calcium, main component is 10 cao¡¤3p2o5¡¤h2o, white shapeless substances. Name of index Fcc-v E341(iii) Assay(on the ignited basis), ¡ý% -- 90 P2o5 content(on the anhydrous basis), % -- 38.5-48.0 Description White floating crystalline powder A white odourless powder which is stable in air Identification -- Positive tests for calcium and for phosphate Solubility tests -- Practically insoluble in water, insoluble in ethanol soluble in dilute hydrochloric and nitric acid Content(ca), % 34.0-40.0 -- Arsenic, ¡ümg/kg 3 3 Fluoride, ¡ümg/kg 75 50 Heavy metals(as pb), ¡ü% -- -- Lead, ¡ümg/kg 2 4 Cadmium, ¡ümg/kg -- 1 Mercury, ¡ümg/kg -- 1 Loss on ignition, (after ignition at 800¡æ¡à25¡æ, to constant weight)¡ü% 10.0 8 Packing: it is packed with plastic bag as liner, and a compound plastic woven bag as the outer layer. The net weight each bag is 25kg.