It is mainly used in the production of formic acid, oxalic acid, sodium hydrosulphite, formamide, leather industry and ... volatilization, %, ≤2.03.0Organic content (by butt), %, ≤2.54.0Chloride (by butt), %, ≤0.51.0Content of Fe (by butt), %, ≤0.050.05 Sodium Formate ...