Sulfur Calculator
Food & CookingFind the molecular sulfur dioxide level in wine from its free SO2 and pH.
Molecular SO2
The active antimicrobial molecular SO2 level
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Odeh Ahwal0people find this calculator helpful
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Food & Cooking calculators
Frequently Asked Questions
What does molecular sulfur dioxide measure in wine?
Molecular SO2 measures the portion of free sulfur dioxide that acts as the active preservative and antimicrobial agent in wine.
What is the molecular SO2 for 29 mg/L free SO2 at pH 3.2?
That wine has a molecular SO2 of about 1.1 mg/L.
What molecular SO2 level is generally targeted for wine preservation?
A commonly cited target is around 0.8 mg/L molecular SO2 for effective microbial protection, though the ideal level varies by winemaker and wine style.
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