- chemical name: sodium bicarbonate
- molecular formula: nahco3
- molecular weight: 84.01
- cas no.:144-55-8
- character: it is white crystalline powder or granular, odorless and salty. easily soluble in water. insoluble in alcohol ,aqueous solution is alkalinity. decomposed when heating, decomposed slowly when exposed to moist air.
- usage: in food industry , it is used as acidity modifier, co2 propellant or used in feedstuff, drug ,medicine, film, mineral selection, metallurgy , fiber and rubber, or used as detergent and fire extinguish agent.
- packing: it is packed with polyethylene bag as inner layer and a compound plastic woven bag as outer layer. the net weight is 25kgs,50kgs or 1000kgs jumbo bag.
- storage and transportation: it should be stored in a dry and ventilative warehouse ,kept away from heat and moisture. unloaded with care so as to avoid damage. further more it must be stoved separately from poisonous substances.
specification:
| test item | standard fccvii |
| content (nahco3) w/% | 99-100.5% |
| loss on drying w/% ≤ | 0.2 |
| arsenic(as) (mg/kg)≤ | 1.0 |
| ph(10g/l water solution)< | 8.5 |
| heavy metals(as pb) mg/kg ≤ | 5.0 |
| chloride (as cl)≤ | 0.4 |
| ammonium salt | pass test |
| clarity | pass test |