Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Test rig
5.1 General
5.2 Test rig arrangement
5.3 Control line
5.4 Test lines
5.4.1 General
5.4.2 Materials in the form of pipes
5.4.3 Materials in the form of test pieces
5.5 Reference lines for comparative testing
6 Operating conditions
6.1 General
6.2 Conditioning
6.3 Fractional Sampling
6.3.1 General
6.3.2 Calculation and expression of results for fractional
sampling
6.3.3 Requirements for the hydraulic function of the test
rig
6.3.4 Determination of sampling volumes
6.4 Normal operation of the test rig
7 Test water
7.1 Composition
7.2 Check of test water
8 Sampling
8.1 General
8.2 Test water sampling
8.3 Sampling to determine metal release
8.4 Sampling volumes
8.4.1 General
8.4.2 Test lines with test pieces
8.4.3 Test pipes
9 Analysis
10 Expression of results
10.1 Metal concentrations after fixed stagnation time
10.2 Equivalent pipe concentration
10.3 Mean concentration after a given operating time
10.4 Presentation of the test results
11 Test report
Annex A (normative) Test rig components and assembly
A.1 Test rig
A.2 Test piece
A.3 Connecting piece
Annex B (normative) Test rig flow regime
B.1 Test rig flow regime and sampling plan (24 h cycle)
B.2 Test rig flow regime and sampling plan for 16 h stagnation
time
Annex C (normative) Test water monitoring and analysis
C.1 Data on test water composition
Annex D (informative) Example of graphs for expression of results
Bibliography