NEN EN 12912 : 2012

      Foreword
      Introduction
1 Scope
2 Normative references
3 Definitions and symbols
4 Description
      4.1 Identification
      4.2 Commercial form
5 Physical properties
      5.1 Appearance
      5.2 Particle size distribution
      5.3 Density
6 Chemical properties
7 Test methods
      7.1 Sampling
      7.2 Analysis
8 Labelling, transportation and storage
      8.1 Means of delivery
      8.2 Risk and safety labelling according to
             the EU Directives
      8.3 Transportation regulations and labelling
      8.4 Marking
      8.5 Storage
Annex A (informative) General information on barite
Bibliography

Applies to barite used for treatment of water proposed for human consumption.