| ≥1 piece |
|
Specification |
GB25567-2010 |
|
Content(Na2H2P2O7)w/% |
93.0~100.5 |
|
Arsenic ≤mg/kg |
3 |
|
Fluoride ≤mg/kg |
50 |
|
Heavy Metals (Pb) ≤mg/kg |
10 |
|
Water Insolubles ≤mg/kg |
1.0 |
|
Lead ≤mg/kg |
2 |
|
PH Value |
4.0±0.5 |