| ≥1 piece |
|
Check item |
Specifications |
Check conclusion |
|
Identification |
Passes test benzoate Passes test for sodium |
|
|
Hazardous materials (glass,hard plastic,metal,word and stone) |
≥2mm |
Absent |
|
Readily carbonizable substances |
Passes test |
Passes test |
|
Readily oxidizable substances |
Passes test |
Passes test |
|
Lead |
Not more than 2mg/kg |
Not more than 2mg/kg |
|
Content |
≥99.0% |
99.53% |
|
Loss on drying |
≤1.5% |
1.12% |
|
Heavy metals (as PB ） |
≤0.0001 |
＜0.0001 |
|
acidity and alkalinity |
≤0.2% |
Passes test |
|
As |
≤0.0002% |
0.0001% |
|
chloride compound |
≤0.03% |
0.01% |
|
oxide |
Passes test |
Passes test |
|
colour of solution |
Y6 |
Y6 |