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Sodium Bicarbonate

Oxide Analysis Formula
Na2O 36.90% 1.00
CO252.38%
H2O10.71%
Oxide Weight 62.00
Formula Weight 167.98

Notes

Used in cobalt sulfate stains. Also a major constituent of Egyptian paste.
The decomposition occurs in two stages: starting at 70°C it gradually decomposes into sodium carbonate, then around 1000°C it disassociates into Na2O and CO2.

This material can also be used to precipitate soluble salts in clays, in a manner similar to barium carbonate. Around 0.3% was needed in one plant.

Related Information

Links

URLs http://en.wikipedia.org/wiki/Sodium_bicarbonate
Sodium bicarbonate at Wikipedia
Materials Sodium Carbonate
Materials Sodium Carbonate Decahydrate
Materials Sodium Carbonate Heptahydrate
Materials Barium Carbonate

By Tony Hansen


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