Quality standard of soda ash light 99.2% Appearance: white powder crystal. Application: Sodium carbonate is a material for industry, it is widely used in glass, metallurgical, petrochemical product, textile, pharmaceutical, national defense, synthetic fibers, paper making, detergent food industries and in daily life. Package: in 40kg or 750kg pp bag, or in jumbo bag, or as per request of customers. Storage: kept in well-closed, dry and cool place. Specifications: Total alkalinity (as na2co3 in dry base): 99.2%min Chloride content(as nacl): 0.70%max Iron content(as fe in dry base): 0.003%max Sulphate content (as so4 in dry base): 0.03% max Water insoluble matter: 0.03% max Loss on ignition : 0.5% max 50kg bag