| ≥1 piece |
|
item |
Specifications |
Check conclusion |
|
含量( Content ) % |
≥ 99.0 |
99.51 |
|
水分( Loss on drying ) % |
≤ 2 |
1.25 |
|
PH(1% Solution ) % |
7.0-10.5 |
8.0 |
|
铅(Lead) mg/kg |
≤ 5 |
3 |
|
砷(As ) mg/kg |
≤ 3 |
2 |
|
氟化物(Fluoride ) mg/kg |
≤10 |
5 |
|
铁(Iron) mg/kg |
≤ 30 |
10 |
|
水不溶物 ( Water insoluble matter) % |
≤0.1 |
< 0.1 |