This standard BS EN 12125:2022 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.
