| ≥1 piece |
|
No |
Indexes |
Food Grade |
|
1 |
Main content % |
98.0 |
|
2 |
phosphorus pentoxide % |
51.5 |
|
3 |
Potassium oxide % |
34.0 |
|
4 |
PH value of 1% solution % |
4.4-4.8 |
|
5 |
Moisture % |
0.20 |
|
6 |
Heavy metal, as Pb % |
0.001 |
|
7 |
Arsenic, as As % |
0.0003 |
|
8 |
Fluoride as F % |
0.005 |
|
9 |
Insoluble in water % |
0.10 |