>
> Would the following procedure work? Put the sample in an Erlenmeyer flask
or
> small wine bottle, and seal it with a rubber stopper. Shake the bottle
> gently. Remove the stopper slowly. Seems like this would get rid of most
of
> the CO2 without any special equipment. Comments?
>
>

That's about how I do it, but just use the fat of my hand to seal the flask
and shake it "not-so-gently".

After several times (no pressure builds) it gets pretty well degassed.

clyde