Tricalcium Phosphate
Usage: In food industry, it is used as anti-caking agent, nutritional supplement (fortified calcium), PH regulator and buffering agent. It’s also used in flour, powder milk, candy, pudding and so on.
Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
Quality standard: (FCC-V, E341(iii), USP-30)
| Name of index | FCC-V | E341（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 | 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 and ethanol, soluble in dilute hydrochloric and nitric acid | -- |
| 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(800℃±25℃，0.5h) | 8.0 (800℃,0.5h) |
| Aluminium | -- | Not more than 150 mg/kg (only if added to food for iinfants and young children).
Not more than 500 mg/kg (for all uses except food for iinfants and young children). This applies until 31 March 2015. Not more than 200 mg/kg (for all uses except food for iinfants and young children). This applies from 1 April 2015. |
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