Electroplaing Grade Sodium Chromate 99%
Sodium Chromate Cas NO.: 7775-112-3 GRADE: Industrial GradeMolecular formula：Na2CrO4Properties：Density is 1.483;Melting temperature 19.9 ℃;Yellow crystal; Slight deliquescence; Dissolution is soluble in water and methanol, slightly soluble in ethanol.Application：Oxidation. Used in dye, tanned leather and chrome yellow pigment, etc. Antioxidant, mordant, rust inhibitor. The four six hydrate, hydrate, hydrate decahydrate. Industrial products for four hydrate, yellow slightly deliquescence crystallization. Heated to 68 ℃ lose crystal water be alpha anhydrous sodium chromate, type 413 ℃ into beta. Oxidation, easy for common reductant reduction for trivalent chromium.Packing: 25kg per bag. Chemical compositionAssay（％）Na2CrO4·4H2O98.0pH(50g/L solution,25℃)8.5～9.5water insoluble matter0.01CL0.01Sulfate salt (SO4)0.05K0.05AL0.01Ca0.001
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