Published
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.
                WITHDRAWN
                                    SSH EN 12120:2012
                            
                    PUBLISHED
                    SSH EN 12120:2022
                    60.60
                                        Standard published
                    Oct 31, 2023