Molecular formula:CaHPO4
Molecular Weight:136.06
Storage and transport:It should be stored in a dry and ventilative warehouse and kept away from moisture, heat and stored separately from poisonous substances. Handled with care, so as to avoid the damage to packing bags.
|
Name of indexes |
FCC-V |
USP-31 |
|
Appearance |
White powder |
White powder |
|
Assay (As CaHPO4), % |
97.0-105.0 |
98.0-103.0 |
|
Fluoride, ≤% |
0.005 |
0.005 |
|
Loss on drying, ≤% |
7.0-8.5 |
6.6-8.5 |
|
Heavy metals(As Pb), ≤% |
- |
0.003 |
|
Pb, ≤% |
0.0002 |
- |
|
As, ≤% |
0.0003 |
0.0003 |
|
Insoluble in HCI, ≤% |
- |
0.2 |
|
Chloride, ≤% |
- |
0.25 |
|
Sulphate (SO4), ≤% |
- |
0.5 |
|
Carbonate |
- |
Test passed |
|
Barium |
- |
Test passed |
