الوصف

nature : ZnSO4 7H2O called Opteron alum. Ramps colorless crystal side. The relative density of 1.**7 (*5 � C). Water-soluble. Heat to **0 � C crystallization of water lost from Anhydrous, the relative density of 3.*4 (*5 � C) and **0 � C in the decomposed into zinc oxide. Pure zinc sulfate in the air long receptacles unchanged yellow, dry air under water lost from the white powder. For lithopone system, and for Mordant, convergence agent, wood preservatives. By zinc or zinc oxide and sulfate role or sphalerite from the reverberatory furnace after baking derived by extraction purification.