NEN EN 14227-4 : 2013

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
  4.1 General
  4.2 Requirements for siliceous fly ash
      4.2.1 Particle size
      4.2.2 Loss on ignition
      4.2.3 Sulfuric anhydride
      4.2.4 Free calcium oxide and soundness
      4.2.5 Water content
      4.2.6 Pozzolanic activity of siliceous fly ash
  4.3 Requirements for calcareous fly ash
      4.3.1 Particle size
      4.3.2 Soundness
      4.3.3 Reactive calcium oxide
      4.3.4 Water content
      4.3.5 Hydraulic activity of calcareous fly ash
5 Production control
6 Marking and labelling