20/30407998 DC

This standard 20/30407998 DC BS EN 12125. Chemicals used for treatment of water intended for human consumption. Sodium thiosulfate is classified in these ICS categories:

• 71.100.80 Chemicals for purification of water
• 13.060.20 Drinking water

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