It is in analytical chemistry. Reagent for arsenic,
gold, mercury, bismuth and for reducing iron (III) to
iron (II) in volumetric analysis
(Tin (II) Chloride)
SnCl2.2H2O = 225.63
Assay 98 – 103%
Insoluble matter 0.01% max
Sulphate (SO4) 0.002% max
Ammonium (NH4) 0.002% max
Arsenic (As) 0.0001% max
Iron (Fe) 0.002% max
Lead (Pb) 0.005% max
Sodium (Na) 0.01% max
Potassium (K) 0.005% max