POTASSIUM STANNATE
Appearance: White crystal
Molecular Formula: K2SnO3.3H2O
Sn: 38% min
water insoluble: 0.1% max
Free alkali: 1.00%
Pb: 0.01% max
As: 0.005% max
Cl- (As KCl): 1.00% max
Loss on frying: 3.00% max.
Packing: Iron drum, net weight: 25kg
