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Wine Making
Beginners Wine Making Forum
VacuVin question
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<blockquote data-quote="sour_grapes" data-source="post: 640428" data-attributes="member: 29562"><p><a href="https://en.wikipedia.org/wiki/Henry's_law" target="_blank">Henry's Law</a> holds that the amount of gas that would be dissolved in equilibrium is directly proportional to the partial pressure of that same gas in the headspace. It is fairly accurate at low concentrations. Therefore, at equilibrium, you are better off breaking the seal to replace the CO2 in the headspace with N2/O2 to (slightly) reduce the CO2 partial pressure. </p><p></p><p>HOWEVER, I cannot imagine it is worth it. You just did all of that work to reduce the overall pressure. It seems to me that you would be better off not re-doing that work on the new headspace, but rather to put your efforts into additional pumping on the partially evacuated headspace.</p></blockquote><p></p>
[QUOTE="sour_grapes, post: 640428, member: 29562"] [URL="https://en.wikipedia.org/wiki/Henry's_law"]Henry's Law[/URL] holds that the amount of gas that would be dissolved in equilibrium is directly proportional to the partial pressure of that same gas in the headspace. It is fairly accurate at low concentrations. Therefore, at equilibrium, you are better off breaking the seal to replace the CO2 in the headspace with N2/O2 to (slightly) reduce the CO2 partial pressure. HOWEVER, I cannot imagine it is worth it. You just did all of that work to reduce the overall pressure. It seems to me that you would be better off not re-doing that work on the new headspace, but rather to put your efforts into additional pumping on the partially evacuated headspace. [/QUOTE]
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Beginners Wine Making Forum
VacuVin question
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