British Standards Institution

Source:: CEN
Committee:: B/504/10 - Chemicals and filtering media for water treatment
Categories:: Chemicals. Water purification
Comment period start date:: 24/07/2025
Comment period end date:: 16/09/2025
Number of comments:: 0

Comment by:

16th Sep

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) chloride sulfate and specifies the requirements and the corresponding analytical methods for iron (III) chloride sulfate and gives information on its use in water treatment. It also determines the rules relating to safe handling (Annex B) and use of iron (III) chloride sulfate (Annex A).

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Please email further comments to: debbie.stead@bsigroup.com

Standard timeline

1. Proposal (Complete)

Proposal start date:

2. Draft (Complete)

Draft start date:

30/04/2025

3. Public Comments

Public Comments start date:

24/07/2025

Public Comments end date:

16/09/2025

4. Comment Resolution

Comment Resolution start date:

08/12/2026

5. Approval

6. Publication

Publication start date:

25/03/2027

Learn more about the standards development process

Standards Development

BS EN 891 EN 891 Chemicals used for treatment of water intended for human consumption. Iron (III) chloride sulfate

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