prEN 973 rev

Chemicals used for treatment of water intended for human consumption - Sodium chloride for regeneration of ion exchangers prEN 973 rev

Scope

This European Standard is applicable to sodium chloride intended for use only in water treatment apparatus, for the regeneration of ion exchangers, intended for water for human consumption. It describes the characteristics and specifies the requirements and the corresponding test methods for sodium chloride. It gives information on its use in water treatment.