| ≥1 piece |
|
ITEM
|
STANDARD
|
|
Content%(asdry product C7H5NaO2)
|
99%~100.5%
|
|
Loss on Drying
|
≤1.5%
|
|
Acidity or alkalinity
|
In conformity with the regulations
|
|
Heavy metals% (Pb)
|
≤0.001%
|
|
Halogenide%(Fecl3)
|
≤0.02%
|
|
Total Cl Content%
|
≤0.03%
|
|
Transparency and colour
|
In conformity with the regulations
|