| CAS No.: | 7758-87-4 |
|---|---|
| Formula: | Ca3(Po4)2 |
| EINECS: | 231-840-8 |
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| Name of index | FCC-V | E 341 (iii) | USP-30 | |
| Assay | % | 34.0-40.0(as Ca) | ≥90(On the ignited basis) | 34.0-40.0 (as Ca) |
| P2O5 Content | % | -- | 38.5-48.0 (Anhydrous basis) | -- |
| Description | a white, odourless powder which is stable in air | |||
| Identification | Pass test | Pass test | Pass test | |
| Water-soluble substance | ≤% | -- | -- | 0.5 |
| Acid-insoluble substance | ≤% | -- | -- | 0.2 |
| Carbonate | -- | -- | Pass test | |
| Chloride | ≤% | -- | -- | 0.14 |
| Sulfate | ≤% | -- | -- | 0.8 |
| Dibasic salt and calcium oxide | -- | -- | Pass test | |
| Solubility tests | -- | Practically insoluble in water, insoluble in ethanol soluble in dilute hydrochloric and nitric acid |
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| Arsenic , | ≤mg/kg | 3 | 1 | 3 |
| Barium | -- | -- | Pass test | |
| Fluoride | ≤mg/kg | 75 | 50(expressed as fluorine) | 75 |
| Nitrate | -- | -- | Pass test | |
| Heavy metals | ≤mg/kg | -- | -- | 30 |
| Lead | ≤mg/kg | 2 | 1 | -- |
| Cadmium | ≤mg/kg | -- | 1 | -- |
| Mercury | ≤mg/kg | -- | 1 | -- |
| Loss on ignition | ≤% | 10.0 | 8.0 (800ºC ±25ºC, 0.5h) | 8.0 (800ºC ,0.5h) |
Aluminium |
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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 excep t food for i n fan ts and y ou n g children). This applies until 31 March 2015 Not more than 200 mg/kg (for all uses excep t food for i n fan ts and y ou n g children). This applies from 1 April 2015. | -- |
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