BS EN 12120:2005
Chemicals used for treatment of water intended for human consumption — Sodium hydrogen sulfite

Standard No.

BS EN 12120:2005

Release Date

2006

Published By

British Standards Institution (BSI)

Status

Be replaced 2013-01

Replace By

BS EN 12120:2012

BS EN 12120:2006

Latest

BS EN 12120:2022

Scope

This European Standard is applicable to sodium hydrogen sulfite used for treatment of water intended for human consumption. It describes the characteristics of sodium hydrogen sulfite and specifies the requirements and the corresponding test methods for sodium hydrogen sulfite. It gives information on its use in water treatment.

BS EN 12120:2005 history

• 2022 BS EN 12120:2022 Chemicals used for treatment of water intended for human consumption. Sodium hydrogen sulfite
• 2013 BS EN 12120:2012 Chemicals used for treatment of water intended for human consumption. Sodium hydrogen sulfite
• 2006 BS EN 12120:2005 Chemicals used for treatment of water intended for human consumption — Sodium hydrogen sulfite