What is BS EN 12124 - Chemicals used for the treatment of water - Sodium sulfite about?
BS EN 12124 is a European standard that gives information on sodium sulfite for use in the treatment of water intended for human consumption.
BS EN 12124 is applicable to sodium used for the treatment of water intended for human consumption. BS EN 12124 describes the characteristics and specifies the requirements of sodium sulfite and refers to the corresponding analytical methods. BS EN 12124 gives information about its use in water treatment.
Who is BS EN 12124 - Chemicals used for the treatment of water - Sodium sulfite for?
BS EN 12124 on chemicals used for the treatment of water – sodium sulfite is useful for:
- Water treatment plant
- Chemical laboratories
- Health and safety bodies  
- Regulatory authorities 
- Chemical industries 
- Water suppliers
Why should you use BS EN 12124 - Chemicals used for the treatment of water - Sodium sulfite?
Sodium sulfite is used to treat water being fed to steam boilers to avoid corrosion problems.
Sodium sulfite’s more use would be dangerous for health that can cause side effects such as headache, rash, hives, swelling of the mouth and lips, wheezing or trouble breathing, dermatitis, urticaria, flushing, hypotension, abdominal pain, and diarrhea to life-threatening anaphylactic and asthmatic reactions. Therefore, BS EN 12124
BS EN 12124 provides you with the minimum purity requirements for sodium sulfite 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 12124 provides you guidance on test methods that include sampling and analysis. BS EN 12124 guides the labelling, transportation, and storage of the product so that the purity is not affected. BS EN 12124 helps to avoid potential adverse effects on the quality of water intended for human consumption.
What is changed since the last update?
BS EN 12124:2012 supersedes BS EN 12124:2005 which is withdrawn.
Significant technical differences between BS EN 12124:2012 and EN 12124:2005 are as follows:
- Modification of 6.2 on labelling, deletion of the reference to EU Directive 80/778/EEC of 15 July 1980 to take account of the latest Directive in force
