Stability of sodium carbonate buffer
lhom at OCF.Berkeley.EDU
Wed Feb 22 10:01:49 EST 2006
In article <dtgugu$ja9$5 at news.doit.wisc.edu>,
DK <dk at no.email.thankstospam.net> wrote:
>If filter-sterilized (or good amount of azide added) and in a tightly
>closed vessel ... forever, basically.
I would be at least a little worried about the effects of running
the buffer through a vacuum filter, unless your pH is well above 7.4 (1st
pKa+1), since below that pH you are in equilibrium with H2CO3 (which can
yield gaseous CO2).
Lou Hom >K'93
lhom at ocf.berkeley.edu
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