CSN EN 889

CSN EN 889 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.
Original English text of CSN EN Standard.
The price of the Standard included all amendments and correcturs.