... Quality and Most Complete Service soda ash dense Sodium Carbonate Synonyms: sodium carbonate, soda ash, disodium carbonate, carbonic acid disodium ... salt Molecular formula: Na2CO3 Specifications: SODA ASH LIGHTITEM SPECIFICATION NA2CO3:99.2% MIN.CHLORIDE CONTENT:0.70 ... 08% MAX.loss on ignition: 0.8% max. SODA ASH DENSEITEM SPECIFICATIONNA2CO3:99.2% MIN.CHLORIDE CONTENT:0.7% MAX ...