Name: Anhydrous Sodium Carbonate
English name: Sodium carbonate anhydrous
Other names: Sodium carbonate, soda ash, soda, edible soda ash
Chemical formula: Na2CO3
Molecular weight: 105.99
CAS Registry Number: 497-19-8
Melting point: 851°C
Boiling point: 1600°C
Density: 2.53
External view: no crystal water, easy to be damp
Security description: S22-S26
Hazard symbol: Xi
Hazard description: R36
Usage description
In the quantitative analysis, the reference substance of the acid solution is calibrated, and aluminum, sulfur, copper, lead and zinc are determined. Test urine and whole blood glucose, analyze the flux of silica in cement, metallographic analysis, etc. The high purity grade is used as a buffer component to remove membrane proteins.
Used as an analytical reagent, such as a reference reagent, to decompose sample flux, precipitant, buffer, and sample volatile agent in emission spectrum analysis. It is also used to prepare sodium salt, soda glass and film printing and washing.
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