タイトルまたは説明

Oxalic acid is used for the extraction of rare metals, polishing of marbles and other stone surfaces, cleaning and polishing of metals, auxiliary textile agents production, for the production of antibiotics (tetracycline etc. ), for the production of oxalates, esters and glyoxalic acid, in the leather industry, in the building industry etc. Chemical Name: Second Diacid Molecular Formula: C2H2O4.2H2O Molecular weight: **6.*7 Technical standard: Appearance: White Crystals 1. First Grade Purity: *9.0% min Ash: 0.1% max Heavy metal: 0.*2 Iron: 0.***5 Chloride: 0.**4 2. Wonderful Grade Purity: *9.4%min Ash: 0.*8%max Heavy metal: 0.*1 Iron: 0.**2 Chloride: 0.**3