Ammonium Chloride 99.5% min White crystal powder, color. Easily soluble in waterMainly used in industry of dry cell, electroplatingGB2946-2008(China Standard) Items SpecificationNH4Cl Content (dry basis) %≥99.5Moisture£0.5Residue after Ignition %£0.4Iron Content (as Fe) %£0.0007Heavy Metal (as Pb) %£0.0005Sulphate Content (as SO4) %£0.02PH Value (200g/L solution, temperature 25°C)4.0-5.8