I want to make NaOH from NaHCO3. I can't use electrolysis as I lack the proper equipement.


You could heat it to turn bicarbonate into carbonate, and let it stand with Ca(OH2) and water mix. That's essentialy how potash lye was made for millenia

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  • $\begingroup$ How hot though? $\endgroup$ – Louis Dalibard Oct 30 '19 at 19:10
  • $\begingroup$ Look for decomposition temperature of nahco3 on wikipedia. You will see gas pops in the powder once you've reached the temperature, heat untill they stop appearing $\endgroup$ – Francis L. Oct 30 '19 at 21:43
  • $\begingroup$ The CO2 bubbles? $\endgroup$ – Louis Dalibard Oct 30 '19 at 21:52
  • $\begingroup$ Wikipedia says 100°C $\endgroup$ – Louis Dalibard Oct 30 '19 at 21:53

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