NS EN 1207 : 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
Annexes
A (informative) General information on tetrapotassium
    pyrophosphate
B (informative) Bibliography

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