| Name of index | FCC-Ⅳ | USP-23 |
| Appearance | White powder | White powder |
| Assay (As CaHPO4), % | 97.0-105.0 | 97.0-105.0 |
| Fluoride, ≤% | 0.005 | 0.005 |
| Loss on drying, ≤% | 7.0-8.5 | 6.6-8.5 |
| Heavy metals(As Pb), ≤% | 0.0015 | 0.0015 |
| Pb, ≤% | 0.0002 | - |
| As, ≤% | 0.0003 | 0.0003 |
| Insolubles in HCI, ≤% | - | 0.2 |
| Chloride, ≤% | - | 0.25 |
| Sulphate (SO4), ≤% | - | 0.5 |
| Carbonate | - | Test passed |
| Barium | - | Test passed |
6. Usage: In food processing industry, it is used as leavening agent, dough modifier, buffer, nutritional supplement, emulsifier, stabilizer, Such as leavening for flour, cake, pastry, bake, double acid type flour color modifier, modifior forfried food, also used as nutrient additive or modifier for biscuit, milk powder, cold drink, ice cream power. As an additive to produce Calcium Tablet or other tablets in pharmaceutical industry. To act as a friction agent in tooth paste.
7. Packing: In 25kgs net paper bags lined with PP bags.
8. Storage and transport: To be stored in a dry, ventilative and clean warehouse; Kept away from moisture, heat and poisonous substances.