NEN EN 196-2 : 2013

Cooperating organizations
National foreword
Foreword
1. Scope
2. Normative references
3. General requirements for testing
4. Reagents
5. Apparatus
6. Preparation of a cement sample
7. Determination of loss on ignition
8. Gravimetric determination of sulfate
9. Determination of residue insoluble in hydrochloric
      acid and sodium carbonate
10. Determination of residue insoluble in hydrochloric
      acid and potassium hydroxide
11. Determination of sulfide
12. Photometric determination of manganese
13. Determination of main constituents
13.1 Principles
13.2 Decomposition with sodium peroxide
13.3 Precipitation and determination of silica -
      Polyethylene oxide method (reference method)
13.4 Precipitation and determination of silica -
      Double evaporation method (alternative method)
13.5 Decomposition with hydrochloric acid and ammonium
      chloride and precipitation of silica (alternative
      method)
13.6 Determination of pure silica
13.7 Decomposition of the evaporation residue
13.8 Determination of soluble silica
13.9 Total silica
13.10 Determination of iron (III) oxide
13.11 Determination of aluminium oxide
13.12 Determination of calcium oxide by EGTA (reference
      method)
13.13 Determination of magnesium oxide by DCTA (reference
      method)
13.14 Determination of calcium oxide by EDTA (alternative
      method)
13.15 Determination of magnesium oxide by EDTA
      (alternative method)
13.16 Comments on the visual observation of the
      titrations for the determinations of calcium oxide
      and magnesium oxide
National annexes
NA. (informative) Determination of total sulfur
NB. (informative) Determination of minor constituents
     (TiO2 and P2O5) and free lime
NC. (informative) Determination of propylene glycol content
ND. (informative) Method of analysis of cements by X-ray
     fluorescence spectrometry
NE. (informative) Methylene blue test
NF. (informative) Determination of total organic carbon
NG. (informative) Committees responsible
NH. (informative) Cross-references

Describes the reference methods and, in certain cases, an alternative method which can be considered to be equivalent. In the case of a dispute, only the reference methods are used.