BS EN 1209:2003

What is BS EN 1209 - Sodium silicate used for the treatment of water about?

BS EN 1209 discusses chemicals used for the treatment of water intended for human consumption.

BS EN 1209 is applicable to sodium silicate used for the treatment of water intended for human consumption.

Who is BS EN 1209- Sodium silicate used for the treatment of water for?

BS EN 1209 on sodium silicate 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 1209- Sodium silicate used for the treatment of water?

BS EN 1209 provides you with the minimum purity requirements for sodium silicate 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 1209 provides you with the characteristics and specifies the requirements and the corresponding test methods for sodium silicate. BS EN 1209 gives information on sodium silicate used in water treatment. BS EN 1209 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BS EN 1209:2003 supersedes BS EN 1209:1998, which is withdrawn. BS EN 1209:2003 includes some technical changes with respect to BS EN 1209:1998. These include:

• Taking account of the new EU Directive 98/83/EC
• Modification of the limit value of Sb to 33 mg/kg instead of 60 mg/kg
• Modification of the labelling requirements in relation to the molecular ratio SiO2:Na2O
• Introduction of new methods for the analysis of iron, sulfate and fluoride