NS EN 12873-4 : 1ED 2006
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
26-11-2021
12-01-2013
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
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