Free & Total Sulfur Dioxide (SO2)


Sulfur Dioxide is a chemical compound that acts as a preservative; counteracting the effects of oxidation and prevention of microbial growth. The measurement of free & total sulfur dioxide is used to determine the amount of both free and bound SO2 (SO2 molecules that are bonded to other compounds in the wine).

Free & Total Sulfur Dioxide (SO2)
(Units: mg/L, Technique: Aeration Oxidation)