| ≥1 piece |
|
Specification |
GB 25565-2010 |
|
|
Anhydrous≥% Dodecahydrate≥% |
97.0 |
|
|
Heavy Metals≤% |
0.001 |
|
|
Pb≤% |
0.0004 |
|
|
Fluorides(F) ≤% |
0.005 |
|
|
Insoluble In Water≤% |
0.2 |
|
|
pH Value |
11.5~12.5 |
|
|
As≤% |
0.0003 |
|
|
Loss On Ignition |
Anhydrous≤% |
2.0 |
|
|
Dodecahydrate≤% |
45.0~57.0 |