Description

Basic properties: Blue or green monoclinic crystal or crystalline powder. Relative density 1.***7, melting point *4 ℃. Odorless, convergence. Exposed to the air easily weathered surface into a white powder, easily oxidized in moist air, on the surface of brown ferric hydroxide. At *6.6 ℃ water composition changed from seven to four hydrate, hydrate at *4.6 ℃ into a, at *0 ℃ lost six crystal water at **0 ℃ lose all crystal water becomes anhydrous, anhydrous to white powder. Content of ****0 (%) Level of industrial use 1, mainly for the ferrous sulfate flocculants, are substitutes for aluminum. The product is good flocculation with good marking ability, also has to remove heavy metal ions, to oil, phosphorus removal, sterilization and other functions, especially for printing and dyeing wastewater decolorization and removal of COD, electroplating wastewater ferrite co-precipitation, etc. effect is obvious, it is cheap, is printing and dyeing, electroplating waste water treatment product of choice for well-deserved. 2, ferrous sulfate can be used as food additives, pigments, electronic industrial raw materials, hydrogen sulfide, deodorant, soil amendments, such as industrial catalysts.