Product name：Dicalcium Phosphate (Toothpaste grade)
I. Chemical Name: Dicalcium Phosphate
Ⅱ. Molecular formula: CaHPO4·2H2O
Ⅲ. Molecular Weight: 172.09
IV. Properties: white crystalline powder, smellless odorless.
V. Quality Standard:
| Index name | HG 3257-2001 | |
| Sensory index | even, odorless and tasteless white crystalline powder, without impurities | |
| Ca )% | 31.4-32.9 | |
| Whiteness(WG)≥ | 93 | |
| Fineness (pass 325mesh sieve)%≥ | 99.0 | |
| Water-absorbing capacity (mIH2O/20g) | 5.0-6.5 | |
| F mg/kg≤ | 50 | |
| Chloride (as Cl) mg/kg≤ | 300 | |
| Loss on ignition% | 25.0～26.5 | |
| PH(20% suspension) | Stability to fluorine | 6.9-7.5 |
| common type | 6.8-8.1 | |
| Stability | pass test | |
| Carbonate | pass test | |
| Sulfide | NA | |
| Hydrochloric acid insolubles%≤ | 0.2 | |
| Fluorine ratio ≥ | Stability to fluorine | ≥0.9 |
| common type | - | |
| Water loss at 60℃%≤ | 0.6 | |
| Sulfate (as SO4) mg/kg≤ | 5000 | |
| Heavy metals (as Pb) mg/kg≤ | 30 | |
| As mg/kg≤ | 3 | |
Note: microbial Index is negotiable
VI. Packing: PE bag lined composite plastic woven bag, Net wt 25KG, or following the requirements of contract.
