Quality standards
Item
Index
Appearance
White powder or tiny crystals
Purity (NaHCO3)
99% Min
Chioride (Cl)
0.4% Max
Arsenic(As)
0.0001% Max
Heavy metals(Pb)
0.0005% Max
Loss on drying
0.20% Max
PH value
8.6 Max
Ammonium
None
