EN 1209:2003

Foreword
Introduction
1 Scope
2 Normative references
3 Description
  3.1 Identification
  3.2 Commercial form
  3.3 Physical properties
  3.4 Chemical properties
4 Purity criteria
  4.1 General
  4.2 Composition of commercial product
  4.3 Chemical parameters and indicator parameters
5 Test methods
  5.1 Sampling
  5.2 Analyses
6 Labelling - Transportation - Storage
  6.1 Means of delivery
  6.2 Risk and safety labelling according to the EU Directives
  6.3 Transportation regulations and labelling
  6.4 Marking
  6.5 Storage
Annex A (informative) General information on sodium silicate
Annex B (normative) General rules relating to safety
Bibliography

This European Standard is applicable to sodium silicate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding test methods for sodium silicate. It gives information on its use in water treatment.