Tricalcium Phosphate

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.