NEN EN 12931 : 2015

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 Analysis
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
                      dichloroisocyanurate, anhydrous
Annex B (normative) General rules relating to safety
Annex C (normative) Determination of arsenic, antiomony and
                    selenium (atomic absorption spectrometry
                    hydride technique)
Bibliography

Explains the characteristics of sodium dichloroisocyanurate anhydrous and specifies the requirements and the corresponding test methods for sodium dichloroisocyanurate anhydrous. Pertains to sodium dichloroisocyanurate anhydrous used for emergency treatment of water intended for human consumption.