Sulfur dioxide is used to manage microbial stability and to prevent oxidation. The measurement of molecular SO2 accounts for the influence of pH on the equilibrium between the forms of sulfur dioxide.
Minimum Volume Required: 50mL
Includes
Molecular Sulfur Dioxide (SO2)
(Units: mg/L, Technique: Calculation)
Free Sulfur Dioxide (SO2)
(Units: mg/L, Technique: Sequential Analyzer)
pH
(Units: pH, Technique: Manual)
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