BS EN 889:2023

This standard BS EN 889:2023 Chemicals used for treatment of water intended for human consumption. Iron (II) sulfate is classified in these ICS categories:

• 71.100.80 Chemicals for purification of water

This document is applicable to iron (II) sulfate heptahydrate and iron (II) sulfate monohydrate used for treatment of water intended for human consumption. It describes the characteristics of iron (II) sulfate heptahydrate and monohydrate, specifies the requirements and the corresponding analytical methods and gives information on their use in water treatment. It also determines the rules relating to safe handling and use of iron (II) sulfate.