NEN EN 12873-1 : 2014

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
   5.1 Waters to be used for testing
   5.2 Cleaning liquids for glassware
   5.3 Other reagents
6 Apparatus
7 Test samples and test pieces
   7.1 Sampling, transport and storage of test samples
   7.2 Test piece preparation
   7.3 Surface area-to-volume ratio (S/V)
8 Pretreatment of test pieces
   8.1 General
   8.2 Test pieces to be tested at (23 +/- 2) degrees C
   8.3 Test pieces to be tested at elevated temperature
       (60 degrees C to 85 degrees C)
   8.4 Prewashing
9 Test procedure
   9.1 Migration of substances
   9.2 Procedural blank tests
   9.3 Analysis
10 Calculation of test results
   10.1 Calculation of the concentration of the substances in
        the migration water
   10.2 Calculation of the migration rate of the measured
        substances
   10.3 Calculation of the mean migration rate
11 Test report
   11.1 General information
   11.2 Information on the test procedure
   11.3 Test results
Annex A (informative) Arrangement for flushing pipes with
                      nominal size greater than DN 80
Annex B (informative) Additional procedures for testing
                      non-homogeneous products and pipes with
                      nominal size greater than DN 80
      B.1 Arrangements for testing
      B.2 Flushing of the test piece
      B.3 Blank test
      B.4 Sealing
      B.5 Calculation of the surface area-to-volume ratio (S/V)
          value for test arrangement 1 (see Figure B.1)
Annex C (informative) Examples of extended collection and
                      analysis of migration waters
Annex D (informative) Procedural tests using standard additions
                      (positive controls)
Annex E (informative) Flow diagrams for migration test procedure
                      for cold water temperature and elevated
                      temperature
Bibliography