NS EN 12873-4 : 1ED 2006

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Test method
  5.1 Principle
  5.2 Reagents and apparatus
      5.2.1 General
      5.2.2 Test water
      5.2.3 Flushing water
      5.2.4 Cleaning agent
      5.2.5 Procedural blank
      5.2.6 Test rig
  5.3 Test samples
      5.3.1 General requirements
      5.3.2 Sample storage
  5.4 Procedure
      5.4.1 Test temperature
      5.4.2 Start up procedure
      5.4.3 Leaching test
      5.4.4 Cleaning and disinfection
6 Analysis
7 Expression of results
  7.1 Concentrations in the extracts
  7.2 Daily migration rates
      7.2.1 Calculation based on concentrations in
            extracts from one-pass sampling, T[1] to T[3]
      7.2.2 Calculation based on concentrations in
            leachates after re-circulation, R[1] and R[2]
8 Test report
Annex A (informative) Diagram of the test procedure
Annex B (informative) Schematic diagram of an example test rig
Bibliography

Defines a test method for laboratory evaluation of possible adverse effects of water treatment membranes on drinking water quality.