Re: Any Way to Measure Alcohol AFTER Caramel Has Been Added?
- You need to re-distill a small sample with a benchtop glass lab still, collect the distillate and adjust it back to the original sample volume with pure water. Then measure the alcohol with the appropriate range alcoholometer. This is extremely accurate (+- 0.02%) and is the method used by the TTB in the USA for taxation purposes.
--- In Distillers@yahoogroups.com, "ballard_bootlegger" <meriwetherdistilleries@...> wrote:
> Ha! Haven't heard that one before but it's right on. These days Ballard
> is a little more gentrified but it still has more character than
> Bellevue will ever have.
> After reading your response I'm convinced there must be a way to
> figure this out. There should be an equation that explains the
> relationship between a measurement of the sugar content and a
> measurement of the alcohol content by any given method and how they are
> each affected by one another... Where's the good Will Hunting when you
> need him?!
> Alas, it looks like I'm destined to drink my rum in the dark; boy life
> is tough some times.
> --- In Distillers@yahoogroups.com, "tgfoitwoods" <zymurgybob@> wrote:
> > Whitney,
> > Not with any instruments I know, and that includes the refractometer.
> > you knew the ABV going in, and the volumes of both liquids, you could
> > get pretty close, but it sounds like that's not an option. As you
> > probably were aware, none of the 3 instruments we might use actually
> > measure ethanol content, but merely infer it from density or index of
> > refraction, and that inference is only accurate for a 2-part mixture,
> > sugar OR ethanol plus water.
> > Is that Ballard as in "In Bellevue it's sushi,but in Ballard it's
> > Zymurgy Bob, a simple potstiller Making Fine Spirits
> > <http://kelleybarts.com/MFS.html>
> > --- In Distillers@yahoogroups.com, "ballard_bootlegger"
> > meriwetherdistilleries@ wrote:
> > >
> > > Is there any way to measure alcohol AFTER caramel has been added? In
> > the hustle and bustle of the holidays I seem to have lost my notes
> > the exact ABV of nicely aged rum. I added a few tasty goodies and am
> > just now getting around to bottling it. It's a new recipe so while I
> > could ballpark it by taste I'd like to get it closer. I tried an
> > alcoholometer, a hydrometer, and no surprise to me, neither was able
> > make an accurate reading. I can't seem to find a method, but maybe
> > of you seasoned vets can help a brother out.
> > >
> > > Thanks!
> > > Whitney.
> > >