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).
Replaces
SSH EN 12121:2005
WITHDRAWN
SSH EN 12121:2012
95.99
Withdrawal of Standard
Nov 10, 2023
PUBLISHED
SSH EN 12121:2022
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