"JG" > wrote in message
news
> JG wrote:
> > Lum Eisenman wrote:
> >> "JG" > wrote in message
> >> et...
> >>> Had a H2S problem in my Pinot. Followed Margalit's instructions per
his
> >>> book and decided that 0.3ppm did the trick. However, when I should
have
> >>> added 6ml of CuSO4 to 19 liters, I added 60ml of the 4.1g/L stock
> >>> solution I diluted for the tests. Bumming. So, question is, how much
> >>> did I end up adding and what is a best guess on how much Cu is left in
> >>> the carboy. AND, can the wine be saved?
> >>>
> >>> I am thinking, I added 10x too much. So I must have added 3.0ppm. If
> >>> 0.3ppm was required to eliminate the smell, then I should have 2.7ppm
> >>> left in 19L. Way too much. What can I do? Stabivin? Cufex?
> >>>
> >>> Thanks all,
> >>> Joe
> >>
> >> Don't dump that wine yet Joe.
> >> The label on my jar of vitamins says........"each tablet contains 3
> >> milligrams of copper (150% of the minimum daily requirement)." If
> >> your wine
> >> contains 3 milligrams of copper per liter, one 750 liter bottle of wine
> >> would contain 2.25 milligrams of copper or just about the MDR of
copper.
> >> I would drink the wine. But, I would make sure I didn't drink more
> >> than 3
> >> or 4 bottles per day.
> >> Lum
> >> Del Mar, California, USA
> >> www.geocities.com/lumeisenman
> >>
> >>
> >>
> > All,
> > Thanks for the response. This group is always so helpful.
> >
> > Lum - Does my math seem to make sense?
> > 4.1 mg/ml CuSO4 * 60 ml (vol added) = 246 mg total added to wine.
> > 246 mg / 19L = 12.94 mg/L CuSO4
> >
> > Am I forgetting something?
> >
> > Thanks!
> >
> > Joe
> I am forgetting that Cu accounts for only 25% of the total weight of the
> CuSO4? That would then be:
> 12.94 mg/L * 0.25 = 3.235 mg/L
> or about 2.42 mg / bottle of wine.
>
> Joe

Your arithmetic looks OK to me Joe. But, chemistry was never my strong
suit.

Lum
Del Mar, California, USA
www.geocities.com/lumeisenman