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.