Name of index | FCC-V | E 341(iii) |
Assay (On the ignited basis), ≥% | 34.0-40.0(as Ca) | 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 | -- | Pass tests for calcium and phosphate |
Solubility tests | -- | Practically insoluble in water, insoluble in ethanol soluble in dilute hydrochloric and nitric acid |
Arsenic ,≤mg/kg | 3 | 1 |
Fluoride, ≤mg/kg | 75 | 50 |
Lead, ≤mg/kg | 2 | 1 |
Cadmium, ≤mg/kg | -- | 1 |
Mercury, ≤mg/kg | -- | 1 |
Aluminium, ≤mg/kg | -- | Not more than 150 mg/kg (only if added to food for infants and young children) Not more than 500 mg/kg (for all uses except food for infants and young children). This applies until 31 March 2015 Not more than 200 mg/kg (for all uses except food for infants and young children). This applies from 1 April 2015. |
Loss on ignition, (After ignition at 800°C±25°C, 0.5 hour ≤% | 10.0 | 8 |
1, molecular formula: Ca3 (PO4) 2; Ca5OH (PO4) 3; Ca10 (OH) 2(PO4) 6