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.
Replaces
SSH EN 12120:2005
WITHDRAWN
SSH EN 12120:2012
95.99
Withdrawal of Standard
Oct 31, 2023
PUBLISHED
SSH EN 12120:2022
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