... , S.Korea, Japan, Taiwan and so on .Sodium Carbonate LightOther Name: Soda Ash Light.Formula: Na2co3M.W.: 105 ... Chloride(As Nacl, On Dry Base)% 0.70max Iron(As Fe, On Dry Base)% 0.0035max Insoluble ... and moisture, store in ventilated Dry place. Sodium Carbonate DenseOther Name: Soda Ash Dense.Formula: Na2co3M.W.: ... Chloride(As Nacl, On Dry Base)% 0.70max Iron(As Fe, On Dry Base)% 0.0035max Insoluble ...