| Item | Index | |
| Tech | Food | |
| Appearance | White powder | |
|
Total phosphate (as P2O5) Content |
68.0% min |
68.0% min |
|
Inactive phosphate (as P2O5) Content |
7.5% max |
7.5% max |
|
Water-insoluble matter |
0.05% max |
0.06% max |
|
Heavy metals(as Pb) |
|
0.001% max |
|
Arsenide (as As) |
|
0.0003% max |
|
Fluoride (as F) |
|
0.003% max |
|
pH Value |
5.8-7.3 |
5.8-6.5 |
