... offer both tech grade and food grade. 1.soda ash dense na2co3 Synonyms: sodium carbonate, soda ash, disodium carbonate, carbonic acid ... saltMolecular formula: Na2CO32.Specifications The quality targets of soda ash(dense)ItemsUnitTargetsTest resultExcellentFirst classQualifiedNa2CO3 ≥%99.2098.8098.0099.52NaCl ≤%0.700 ... make our products has comprehensive competition. 5.package soda ash dense na2co3