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B/504/10 - Chemicals and filtering media for water treatment

Committee standards activity

In Progress (16)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.

BS EN 936 Chemicals used for treatment of water intended for human consumption - Carbon dioxide

Categories: Chemicals. Water purification

Public comment begins : 2021-02-25
Public comment
BS EN 891 EN 891 Chemicals used for treatment of water intended for human consumption. Iron (III) chloride sulfate

Categories: Chemicals. Water purification

Public comment begins : 2025-07-24
Public comment
BS EN 890 EN 890 Chemicals used for treatment of water intended for human consumption. Iron (III) sulfate solution

Categories: Chemicals. Water purification

Public comment begins : 2025-07-24
Public comment
BS EN 889 EN 889 Chemicals used for treatment of water intended for human consumption. Iron (II) sulfate

Categories: Chemicals. Water purification

Public comment begins : 2025-07-24
Public comment
BS EN 888 EN 888 Chemicals used for treatment of water intended for human consumption. Iron (III) chloride

Categories: Chemicals. Water purification

Public comment begins : 2025-07-24
Public comment
BS EN 887 EN 887 Chemicals used for treatment of water intended for human consumption. Aluminium iron (III) sulfate

Categories: Chemicals. Water purification

Public comment begins : 2025-07-24
Public comment
BS EN 882 EN 882 Chemicals used for treatment of water intended for human consumption. Sodium aluminate

Categories: Chemicals. Water purification

Public comment begins : 2025-07-24
Public comment
BS EN 878 EN 878 Chemicals used for treatment of water intended for human consumption. Aluminium sulfate

Categories: Chemicals. Water purification

Public comment begins : 2025-07-24
Public comment
BS EN 18087 Devices for in-situ generation of biocides - Chlorine dioxide generated from sodium chlorite by acidification or oxidation

Categories: Water. Drinking

Comment resolution begins : 2025-11-05
Comment resolution
BS EN 15077 Chemicals used for treatment of swimming pool water - Sodium hypochlorite

Categories: Chemicals. Water purification

Public comment begins : 2024-05-16
Public comment
Published (139)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.

PD CR 14269:2001 Chemicals used for treatment of water intended for human consumption. Guidelines for the purchase of products

Categories: Water. Drinking | Chemicals. Water purification

Published standard begins : 2002-05-29
Published standard
BS EN 974:2003 Chemicals used for treatment of water intended for human consumption. Phosphoric acid

Categories: Water. Drinking | Chemicals. Water purification

Published standard begins : 2004-02-09
Published standard
BS EN 973:2009 Chemicals used for treatment of water intended for human consumption. Sodium chloride for regeneration of ion exchangers

Categories: Water. Drinking | Chemicals. Water purification

Published standard begins : 2009-11-25
Published standard
BS EN 939:2016 Chemicals used for treatment of water intended for human consumption. Hydrochloric acid

Categories: Water. Drinking | Chemicals. Water purification

Published standard begins : 2016-06-01
Published standard
BS EN 938:2016 Chemicals used for treatment of water intended for human consumption. Sodium chlorite

Categories: Water. Drinking | Chemicals. Water purification

Published standard begins : 2016-06-01
Published standard
BS EN 937:2016 Chemicals used for treatment of water intended for human consumption. Chlorine

Categories: Water. Drinking | Chemicals. Water purification

Published standard begins : 2016-08-16
Published standard
BS EN 936:2013 Chemicals used for treatment of water intended for human consumption. Carbon dioxide

Categories: Chemicals. Water purification

Published standard begins : 2013-12-13
Published standard
BS EN 935:2004 Chemicals used for treatment of water intended for human consumption. Aluminium iron(III) chloride (monomeric) and aluminium iron(III) chloride hydroxide (monomeric)

Categories: Water. Drinking | Chemicals. Water purification

Published standard begins : 2004-12-02
Published standard
BS EN 902:2016 Chemicals used for treatment of water intended for human consumption. Hydrogen peroxide

Categories: Water. Drinking | Chemicals. Water purification

Published standard begins : 2016-06-01
Published standard
BS EN 901:2024 Chemicals used for treatment of water intended for human consumption. Sodium hypochlorite

Categories: Chemicals. Water purification

Published standard begins : 2025-01-13
Published standard
Withdrawn (169)
Reference Standards description
Status ?

The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.

WD/AMD14733 (TO BSEN973 : 2002) BSEN973 : 2002 Chemicals used for treatment of water intended for human consumption - Sodium chloride for regeneration of ion exchangers

Categories: Chemicals. Water purification

Withdrawn begins : 2009-11-25
Withdrawn
BS EN 973:2002 Chemicals used for treatment of water intended for human consumption. Sodium chloride for regeneration of ion exchangers

Categories: Water. Drinking | Chemicals. Water purification

Withdrawn begins : 2009-11-25
Withdrawn
BS EN 939:2009 Chemicals used for treatment of water intended for human consumption. Hydrochloric acid

Categories: Water. Drinking | Chemicals. Water purification

Withdrawn begins : 2016-06-01
Withdrawn
BS EN 939:2000 Chemicals used for treatment of water intended for human consumption. Hydrochloric acid

Categories: Water. Drinking | Chemicals. Water purification

Withdrawn begins : 2009-06-18
Withdrawn
BS EN 938:2009 Chemicals used for treatment of water intended for human consumption. Sodium chlorite

Categories: Water. Drinking | Chemicals. Water purification

Withdrawn begins : 2016-06-01
Withdrawn
BS EN 938:2000 Chemicals used for treatment of water intended for human consumption. Sodium chlorite

Categories: Water. Drinking | Chemicals. Water purification

Withdrawn begins : 2009-06-18
Withdrawn
BS EN 937:2009 Chemicals used for treatment of water intended for human consumption. Chlorine

Categories: Water. Drinking | Chemicals. Water purification

Withdrawn begins : 2016-08-16
Withdrawn
BS EN 937:1999 Chemicals used for treatment of water intended for human consumption. Chlorine

Categories: Water. Drinking | Chemicals. Water purification

Withdrawn begins : 2009-11-25
Withdrawn
BS EN 936:2006 Chemicals used for treatment of water intended for human consumption. Carbon dioxide

Categories: Water. Drinking | Chemicals. Water purification

Withdrawn begins : 2013-12-13
Withdrawn
BS EN 935:2001 Chemicals used for treatment of water intended for human consumption. Aluminium iron (III) chloride (monomeric) and aluminium iron (III) chloride hydroxide (monomeric)

Categories: Water. Drinking | Chemicals. Water purification

Withdrawn begins : 2004-12-02
Withdrawn