This standard BS EN 1209:2003 Chemicals used for treatment of water intended for human consumption. Sodium silicate is classified in these ICS categories:
13.060.20 Drinking water
71.100.80 Chemicals for purification of water
This European Standard is applicable to sodium silicate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding test methods for sodium silicate. It gives information on its use in water treatment.