[Growwine] For the chemists out there.

[Wayne Holland]

You could safely add 1 or 2 grams per L of Pot. Bicarb. The  
outgassing will flush the SO2 and improve the malo environment.
wayne
  On 4-Mar-08, at 9:49 AM, CanadaVintage wrote:

> The measurement of TA is g/l in Tartaric acid
> The other measurements are using the HPLC (mg/l) profile of organic  
> acids in
> wine.
>
> MLF, unfortunately may not go to completion since I now have 20-25  
> ppm free
> S02 in tank.
>
>
>
>
> ----- Original Message -----
> From: "Terry Rayner" <terry.rayner at sympatico.ca>
> To: <growwine at littlefatwino.com>
> Sent: Tuesday, March 04, 2008 6:28 AM
> Subject: Re: [Growwine] For the chemists out there.
>
>
>> Hi Anthony, a couple of questions.
>> Is your TA measurement of 7.4g/l as sulphuric or tartaric and how  
>> did you
>> measure the malic to tartaric ratio.
>>
>> Are you not going to let the malolactic conversion go to completion.
>>
>> Terry
>>
>>
>>> From: "CanadaVintage" <canadavintage at hotmail.com>
>>> Reply-To: growwine at littlefatwino.com
>>> To: <growwine at littlefatwino.com>
>>> Subject: [Growwine] For the chemists out there.
>>> Date: Tue, 4 Mar 2008 09:05:12 -0800
>>>
>>> Gents,
>>> I have a dilemma to solve:
>>> A red wine of mine is showing a TA of 7.4 g/l, malic acid @ 330  
>>> mg/l, and
>>> Tartaric @ 994.36 mg/l.
>>> pH is 3.2.
>>>
>>> How do I drop my TA down to say 5.4 g/l without having to wait  
>>> months to
>>> bottle due to precipation crystals. Currently, my tartaric is quite
> stable.
>>>
>>> Also, the Malic conversion is partial and I am worried about  
>>> instability
> in
>>> bottle if I do not use double salt?
>>> Should I hit it with free S02 at 40ppm and Lysozyme?
>>>
>>> Residual sugar at .17% so I cannot add sugar to mask acid bite.
>>>
>>> Options?
>>> KHCO3?
>>> CaCO3?
>>> or Double Salt?
>>> What about the newer method of Extended Double Salt Deacidification?
>>>
>>>
>>> thank-you
>>> Anthony
>>>
>>>
>>
>>
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>>
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