Stability of sodium carbonate buffer

Peter Ellis pjie2 at cam.ac.uk
Wed Feb 22 04:16:52 EST 2006


Stacy Ferguson wrote:
>
> Bicarbonate breaks down to CO2 and water. While this is reversible,
> CO2 doesn't stay in solution easily (if it did, you could just leave
> an open bottle of Coke in the fridge indefinitely) and that throws
> off the equilibrium. When I'm using carbonate buffers frequently, I
> just have a fresh batch made every 1-2 weeks.

Freezing it should stop the evaporation, no?

Peter 




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