Sulfuric or hydrochloric acid can be activated pyrite, chalcopyrite;
Sulfate can activate sphalerite;
Sodium sulfide can be activated white lead ore;
Soda can activate white lead, malachite, calcite .
Silica Sol is a colloidal solution, odorless, non-toxic.Silica sol is a dispersive solution of nano-sized silica particles in water or solvent.Because SiO2 in silica sol contains a large amount of water and hydroxyl, silica sol can also be expressed as Sio2. nH2O.Silica sol inorganic polymer coating is developed in recent years.The key technology to prepare the coating is to remove the water-soluble sodium ion in sodium silicate by a special method.
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