Formula: Na2CO3
CAS No.: 497-19-8
Property: Soda ash is a hygroscopic product, absorbs moisture and carbon dioxide in the air, forming acid salt NaHCO3. It cakes, when stored in the open air. Water solutions of soda ash have a strong alkali reaction.
Usages: Soda ash is used in the production of different kinds of glass, including crystal, lens, medical glass, glass blocks, glass fibre, sodium silicate soluble, tiles, frit for glaze; In ferrous and non-ferrous metal industry: For the production of lead, zinc, tungsten, strontium, chromium, for desulphurization and dephosphation of iron, for purification of waste gas, for neutralization of media.
ITEM |
STANDARD |
RESULT |
Total alkali (Na2CO3 )% |
99.2 min |
99.51 |
chloride ( by NaCl ) % |
0.70 max |
0.22 |
Iron (Fe)% |
0.0035 max |
0.0021 |
insoluble matter in water % |
0.03 max |
0.029 |
Heaped density g/ml |
0.90 min |
1.13 |
Particle size (180μm sieve remaining ),% |
70.0 min |
73 |