However, sulfite is commonly used in industry, in particular, in the food sector for its preservative properties. Sulfite is also utilized in water heating systems as an oxygen scavenger. High concentrations of sulfite however lowers the pH of a solution, hence facilitating corrosion.
Sulfite is also monitored in environmental analysis as it is toxic to aquatic life. Its ability to eliminate oxygen from water disrupts the ecologic equilibrium of rivers, ponds and lakes.Method TitrationRange 0.0-20.0 mg/L
0-200 mg/LSmallest Increment 0.2 mg/L
2 mg/LChemical Method IodometricNumber of Tests approx. 110Weight 910 g
