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

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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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