Lum Eisenman wrote:
> "Ric" > wrote in message
> ...
>> Are you real sure of the numbers, Lum? I don't have my chem texts with
>> me right now - will check tomorrow - but 3 ppm of copper sulfate sounds
>> pretty high --- anyone know the 'safe' limits of CuSO4? I thought it was
>> in the neighborhood of something less than 1 ppm.
>>
>> Personally, I wouldn't want to drink wine with anything like 'too much'
>> CuSO4 in it.
>>
>> At the very least - JG might want to consider bentonite fining the wine
>> in the hope of dropping some copper ions?
>>
>>
>>> 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
>
> I am NOT real sure of the numbers Rick.
> I am sure of the quote from the label on my vitamin bottle.
> I am also sure that Bentonite will not remove any significant amount of
> copper from wine. But, fining with dry yeast can reduce the copper content
> of wine considerably.
> Lum
>
>
Lum,
Can you outline the procedure for removing copper with dry yeast?

Thanks,
Joe