Uses: Used as a
reducing agent, preservative, and in water treatment. It is also used in
photography and pulp processing.
Process: Produced by reacting sulfur dioxide with sodium hydroxide or
sodium carbonate.
Uses: Used as a
reducing agent, preservative, and in water treatment. It is also used in
photography and pulp processing.
Process: Produced by reacting sulfur dioxide with sodium hydroxide or
sodium carbonate.