20/30404900 DC

This standard 20/30404900 DC BS EN 12124. Chemicals used for treatment of water intended for human consumption. Sodium sulfite is classified in these ICS categories:

• 71.100.80 Chemicals for purification of water

This document is applicable to sodium used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements of sodium sulfite and refers to the corresponding analytical methods. It gives information for its use in water treatment.