Brown liquid;
Specific gravity:1.4;
Assay(FeCl3):40.0%; ------we could also supply ferrous chloride 30% solution.
Insoluble in water:0.03%;
Free acid:0.4%;
Cu:0.005%;
Fe2+:0.2%;
Zn:0.02%;
As:0.004%;
Cd:0.001%;
Cr:0.05%;
Hg:0.001%;
Pb:0.001%;
Ni:0.01%
Usage:Purifying Agent; Etchant; waterproof agent; made others ferric salt and ink; mordant; catalyst; oxidant; chlorating agent; colorant; flocculant.