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Chemicals used for treatment of water intended for human consumption. Iron (III) chloride sulfate Ingestion-build-95349 This technical revision replaces the1 Scope This document is applicable to iron (III) chloride sulfate used for treatment of water intended for human consumption. It describes the characteristics of iron (III) sulfate and specifies the requirements and the corresponding analytical methods for iron (III) chloride sulfate (analytical methods are given in Annex B) and gives information on its use in water treatment. It also determines the rules relating to safe handling and use of iron