UNE-EN 12873-2:2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Influence of materials on water intended for human consumption - Influence due to migration - Part 2: Test method for non-metallic and non-cementitious site-applied materials
Hardcopy , PDF
06-07-2022
Spanish, Castilian, English
23-11-2005
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
5.1 General
5.2 Waters to be used for testing
5.3 Cleaning liquids for glassware
5.4 Other reagents
6 Apparatus
7 Test pieces
7.1 General requirements
7.2 Requirements for the preparation of test piece
7.2.1 Site-applied organic lining systems for pipes
7.2.2 Jointing compounds (solvent cements, adhesives)
7.2.3 Other site-applied materials (e.g. greases and
sealants)
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) degree C
8.2.1 Flushing
8.2.2 Stagnation with test water
8.2.3 Stagnation with disinfection treatment water
8.3 Test pieces to be tested at elevated temperature (60
degree C to 85 degree C)
8.3.1 Flushing
8.3.2 Stagnation with disinfection treatment water at
(23 +/- 2) degree C
8.3.3 Stagnation with test water at elevated temperature
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 material
11.3 Information on the test pieces
11.4 Information on the test procedure
11.5 Test results
Annex A (informative) Arrangement for flushing pipes with nominal
size greater than DN 80
Annex B (normative) Additional procedure for testing non-homogeneous
products and pipes with nominal size
greater than DN 80
B.1 Arrangement for testing
B.2 Flushing of the test piece
B.3 Blank test
Annex C (informative) Sequence of additional migration periods
in the migration test
C.1 Introduction
C.2 Migration tests
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
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