Appearance: white crystals Performance: generally used for decontamination plant fiber fabrics, to rust, to oil. Usage: When using the need to bring gloves, if it gets plenty of water for cleaning or doctor as soon as possible. Purpose: Metallurgical industry: rare earth metal precipitation separation; Light: wood used in tanning marble polished aluminum rust bleach and other cleaning Printing and dyeing industry: used in place of acetic acid, aromatic color pigment for fast staining dyes help dyes;. Electronic Industry: Preparation of electronic equipment cleaning liquid chemical raw materials for the preparation of ceramic capacitors; Pharmaceutical industry: prime ring for oxytetracycline, phenobarbital borneol