... easily dissolve in alcohol and water.Specification: Oxalic Acid Content:99.6% MinSulphate (SO42-)0.08% MaxHeavy Metals (Pb2 ... , Oxytetracycline, Phenobarbital, and Borneol, etc. 3. In Light industry: polishing for Marble, rust-remover, bleaching, dirt-remover, leather ... printing industry, as bleaching agent for textile, substitute for Acetic acid, as coloring mordant for fast pigment dyestuff. 5. In ...