What is BS EN 938- Sodium chlorite used for the treatment of water about?
BS EN 938 discusses chemicals used for the treatment of water intended for human consumption.
Sodium chlorite is used in a small number of water treatment plants to generate chlorine dioxide. BS EN 938 is applicable to sodium chlorite used for the treatment of water intended for human consumption.
Who is BS EN 938- Sodium chlorite used for the treatment of water for?
BS EN 938 on sodium chlorite used for the treatment of water intended for human consumption is useful for:
- Chemical manufacturers
- Water treatment plants
- Packaged drinking water manufacturers
- Quality control personnel
- Inspection personnel
Why should you use BS EN 938 -Sodium chlorite used for the treatment of water?
BS EN 938 specifies the minimum purity requirements for sodium chlorite used for the treatment of water intended for human consumption. Limits are given for impurities commonly present in the product. Depending on the raw material and the manufacturing process other impurities may be present and, if so, this shall be notified to the user and when necessary to the relevant authorities.
BS EN 938 provides you with the characteristics of sodium chlorite and provides the requirements and the corresponding test methods for sodium chlorite. BS EN 938 guides you on its use in water treatment.
What’s changed since the last update?
BS EN 938:2016 supersedes BS EN 938:2009 which is withdrawn. BS EN 938:2016 includes some technical changes with respect to BS EN 938:2009. These include:
- Deletion of reference to EU Directive 67/548/EEC of June 27, 1967, in order to take into account the latest Regulation in force
- Use of the changed classification and labelling
