BS EN 12174:2022

This standard BS EN 12174:2022 Chemicals used for treatment of water intended for human consumption. Sodium hexafluorosilicate 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 hexafluorosilicate used for treatment of water intended for human consumption. It describes the characteristics of sodium hexafluorosilicate and specifies the requirements and the corresponding test methods for sodium hexafluorosilicate. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use of sodium hexafluorosilicate (see Annex B).