It is mainly used in the production of formic acid, oxalic acid, sodium hydrosulphite, formamide, leather industry and oil fiel Item index gradeHigh-class productFirst-class productAppearanceWhite crystallineWhite crystallineSodium formate content (by butt), %, ≤9795Content of moisture and volatilization, %, ≤2.03.0Organic content (by butt), %, ≤2.54.0Chloride (by butt), %, ≤0.51.0Content of Fe ( ...