"Ben Rotter" > wrote in message
om...
> Lum wrote:
> > Perhaps some of the difference is due to the 6 to 8 milligrams per
litter of
> > titratable acid?
>
> That was essentially the point I was originally making - thus my
> comment "This may due to SS and/or dissolved substances in wine," e.g.
> acids.
>
> Frederick wrote:
> > No, I don't agree. Just to be on the safe side, I actually made up a
12%
> > alcohol solution using Everclear and water from the tap. I am sitting
> > here now, watching my hydrometer float in that solution. It reads
> > 0.990
>
> I just did it (not Everclear, but similar product) and got pretty
> close to 0.990. Perhaps the Everclear (or equivalent product) has
> dissolved substances that contribute just like those in wine might?
> Otherwise it simply doesn't make sense.
>
> > PS - what is "SS" ??
>
> Suspended solids.
>
> Ben

I just looked up Table B-3, page 394 of "Commercial Winemaking" by Richard
Vine.
For a solution of 12 % by volume, the table gives a specific gravity of
0.98238.
For a solution of 12.09 % by weight, the table gives a specific gravity of
0.97897.
Now I'm even more confused.
--
Lum
Del Mar, California, USA