Place of Origin : Xingtai,China
Post Date : 17-08-2010
Expiry Date : 17-09-2010

Formula : (NH2SO3H)
CAS : 5329-14-6
Appearance : White , Fine Crystalline Powder
Specification :
Items Grade A Grade B Grade C
Purity(NH2SO3H) 99.8% Min 99.5% Min 99.5% Min
Sulfate (SO4) 0.02% Max 0.05% Max 0.05% Max
Iron (Fe) 0.0002% Max 0.0005% Max 0.002% Max
Heavy Metal 0.0005% Max 0.001% Max 0.001% Max
Insoluble In Water 0.01% Max 0.01% Max 0.02% Max
Moisture 0.03% Max 0.05% Max 0.05% Max