| ≥1 piece |
|
Items
|
Specification
|
|
Appearance
|
White or yellowish fibrous powder
|
|
Purity, % ≥
|
99%
|
|
Acidity(ml,0.1N NaOH 2.0g)
|
≤0.2
|
|
Heavy metals
|
≤0.001%
|
|
Loss on drying
|
≤1.5%
|
|
Moisture
|
≤0.3%
|
|
Sulphate Ash
|
≤0.1%
|