This European Standard is applicable to sodium chlorite used for treatment of water intended for human consumption. It describes the characteristics of sodium chlorite and specifies the requirements and the corresponding test methods for sodium chlorite. It gives information on its use in water treatment.
EN 938:2016 Referenced Document
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EN 938:2016 history
2019EN 938:2016/PRA1:2019 Chemicals used for treatment of water intended for human consumption - Sodium chlorite
2016EN 938:2016 Chemicals used for treatment of water intended for human consumption - Sodium chlorite
2009EN 938:2009 Chemicals used for treatment of water intended for human consumption - Sodium chlorite
1999EN 938:1999 Chemicals Used for Treatment of Water Intended for Human Consumption - Sodium Chlorite