NEN EN ISO 14402 : 1999

1 Scope
2 Normative references
3 Determination of phenol index (without
      distillation) after extraction
      3.1 Principle
      3.2 Interferences
      3.3 Reagents
      3.4 Apparatus
      3.5 Sampling
      3.6 Procedure
      3.7 Calculation of results
4 Determination of phenol index (without
      extraction) after distillation
      4.1 Principle
      4.2 Interferences
      4.3 Reagents
      4.4 Apparatus
      4.5 Sampling
      4.6 Procedure
      4.7 Calculation of results
5 Expression of results
6 Precision and accuracy
7 Test report
Annex A (informative) Statistical data
Bibliography

Defines two methods for the determination of the phenol index in water of different origin (such as ground, seep, surface and waste waters) in mass concentrations of 0.01mg/l to 1mg/l (in the undiluted sample). In certain cases, the application range may be adapted by varying the operating conditions. Clause 3 determines the phenol index (without distillation) after extraction, and the determination of phenol index (without extraction) after distillation is given, in Clause 4.