This document 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.
БДС EN 12120:2012
prБДС EN 12120:2021
45.99 Dispatch of FV draft to CCMC
Oct 4, 2021
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