Sodium bicarbonate
Item specifics
- Standard
- GB1887-90
- HS CODE
- 28363000
Review
Description
1.Used as food fermentation, detergent ingredient, carbondoxide foamer, pharmacy, leather, ore milling and metallurgy, detergent for wool, exting uisher and metal heat-treating, fiber and rubber industry, etc.
2.Producing methods-Carbonization process :Natural soda is firstly dissolved into solution (Na2CO3) and filtrated. The clear solution is then fed to carbonizing tower ; accordingly, CO2 is compressed and bubbled up from the bottom of the tower, After carbonization, the slurry will be flowed from the bottom and separated. Dried to the finished product.
Technical Index | |||
Item | Index | ||
Appearance | White powder or tiny crystals | ||
Purity (NaHCO3) | 99% Min | ||
Chioride (Cl) | 0.4% Max | ||
Arsenic(As) | 0.0001% Max | ||
Heavy metals(Pb) | 0.0005% Max | ||
Loss on drying | 0.20% Max | ||
PH value | 8.6 Max | ||
Ammonium | None | ||
Packing&Storage | 25kgs or 50kgs plastic woven bags lined with one layer polythene bag,25MT/1X20’FCL; Stored in dry and cool warehouse with packages sealed and away from rain and insolation. | ||
Other | White powder or tiny crystals, inodorous and salty, easily soluble in water, insoluble in alcohol, presenting slightly alkalinity, decomposed when heating. Decomposed slowly when exposd to moist air. |