What is BS EN 12933- Trichloroisocyanuric acid used for the treatment of water about?
BS EN 12933 discusses chemicals used for treatment of water intended for human consumption. Trichloroisocyanuric acid is an excellent source of chlorine for the control of biofouling in swimming pools, industrial water systems, and cooling water systems.
BS EN 12933 is applicable to trichloroisocyanuric acid used for emergency treatment of water intended for human consumption.
Who is BS EN 12933-Trichloroisocyanuric acid used for the treatment of water for?
BS EN 12933 on trichloroisocyanuric acid used for the treatment of water is useful for:
- Chemical manufacturers
- Water treatment plants
- Packaged drinking water manufacturers
- Quality control personnel
- Inspection personnel
Why should you use BS EN 12933 - Trichloroisocyanuric acid used for the treatment of water?
BS EN 12933 provides you with the minimum purity requirements for trichloroisocyanuric acid 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 relevant authorities.
BS EN 12933 provides you with the characteristics of trichloroisocyanuric acid and specifies the requirements and the corresponding test methods for trichloroisocyanuric acid. BS EN 12933 guides you on its use in water treatment. BS EN 12933 also provides you with the rules relating to the safe handling and use of trichloroisocyanuric acid. BS EN 12933 helps you to avoid potential adverse effects on the quality of water intended for human consumption.
What’s changed since the last update?
BS EN 12933:2015 supersedes BS EN 12933:2008 which is withdrawn. BS EN 12933:2015 includes some technical changes with respect to BS EN 12933:2008. 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 (see [2])
- Updating of risk and safety labelling according to EU Regulation [2] and its latest Adaptations to Technical Progress

