NS EN 1206 : 2ED 2005

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 Composition of commercial product
    4.2 Impurities and main by-products
    4.3 Toxic substances
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 tetrasodium
pyrophosphate
Annex B (informative) Bibliography

Applies to tetrasodium pyrophosphate used for treatment of water intended for human consumption. It describes the characteristics and specifies the requirements and the corresponding test methods for tetrasodium pyrophosphate. Gives information on its use in water treatment.