BS EN 12175:2022

This standard BS EN 12175:2022 Chemicals used for treatment of water intended for human consumption. Hexafluorosilicic acid is classified in these ICS categories:

• 13.060.20 Drinking water
• 71.100.80 Chemicals for purification of water

This document is applicable to hexafluorosilicic acid used for treatment of water intended for human consumption. It describes the characteristics of hexafluorosilicic acid and specifies the requirements and the corresponding test methods for hexafluorosilicic acid. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use of hexafluorosilicic acid (see Annex B).