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EN 12120:2012

Chemicals used for treatment of water intended for human consumption - Sodium hydrogen sulfite EN 12120:2012

Publication date:   Nov 20, 2012

General information

99.60 Withdrawal effective   Apr 20, 2022

CEN

CEN/TC 164 Water supply

European Norm

71.100.80   Chemicals for purification of water

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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.

Life cycle

PREVIOUSLY

WITHDRAWN
EN 12120:2005

NOW

WITHDRAWN
EN 12120:2012
99.60 Withdrawal effective
Apr 20, 2022

REVISED BY

PUBLISHED
EN 12120:2022