Applications: 1 Metallurgical Industry: For separation of rare earth metals precipitation. 2 Organic Synthesis: For 2133 resin, electric jade powder, such as butadiene catalyst. 3 light: for leather, wood, aluminum, marble polishing, rust, bleach, cleaning and so on. 4, printing and dyeing industry: used in place of acetic acid, for quick color pigment dye staining group to help dyes. 5 pharmaceutical industry: for tetracycline, oxytetracycline, phenobarbital, borneol and so on. 6 electronics industry: chemicals used in the preparation of ceramic capacitors, electronic equipment, preparation of cleaning fluid.