#8226; Molecular formula: na2co3 • molecular weight: 105.99 • appearance: light ash as white crystal powder and heavy ash as white particle • specs: • sodium carbonate(na2co3): 99.2% min • chlorides(nacl): 0.70% max • iron(fe): 0.0035max • insoluble esubstance: 0.03% max • loss on dry: 0.8% max • space density of pile g/ml: 0.9% max(only for dense soda ash) • particle size 180um meshive: 70% min(only for dense soda ash)