"Negodki" > wrote in message
...
> Dave Breeden ) wrote:
>
> >...have you removed all the CO2? That will falsely raise your TA values.
>
> Dave,
>
> 1) Will adsorbed CO2 distort the pH value as well, or just the TA?
>
> 2) Can you (or anyone else) suggest a few methods that home winemakers
might
> use for this procedure.
>
> I saw a few methods described at
>
http://groups.google.com/groups?q=re...rect.ca&rnum=4.
>
> Not everyone has a vacuum pump handy, but the "wine whip" sounds
promising.
> Still, we only need to degas the sample that we are using to test the
TA/pH,
> right?
>
> 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?

Just put the sample in the microwave and heat it until it just starts to
boil. The dissolved gases will all be gone.

Tom S