widely used in manufacture of chemicals and metallurgy, medicine, petroleum, hides processing, textile, printing and dyeing, Product DescriptionSodium Carbonate(Na2CO3) % ≥ 99.20 Chlorides(NaCL) % ≤ 0.70 Iron(Fe) % ≤ 0.0035 Insoluble esubstance % ≤ 0.03 Loss on dry 2) % ≤ 0.08