BS EN 12121:2005
Chemicals used for treatment of water intended for human consumption — Sodium disulfite

Standard No.

BS EN 12121:2005

Release Date

2006

Published By

British Standards Institution (BSI)

Status

Be replaced 2013-01

Replace By

BS EN 12121:2012

BS EN 12121:2006

Latest

BS EN 12121:2022

Scope

This European Standard is applicable to sodium disulfite used for treatment of water intended for human consumption. It describes the characteristics of sodium disulfite and specifies the requirements and the corresponding test methods for sodium disulfite. It gives information on its use in water treatment. It also determines the rules relating to safe handling and use (see Annex B).

BS EN 12121:2005 history

• 2022 BS EN 12121:2022 Chemicals used for treatment of water intended for human consumption. Sodium disulfite
• 2013 BS EN 12121:2012 Chemicals used for treatment of water intended for human consumption. Sodium disulfite
• 2006 BS EN 12121:2005 Chemicals used for treatment of water intended for human consumption — Sodium disulfite