NBN EN 13052-1 : 2001

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
   5.1 Disinfection reagents
   5.2 Waters to be used for testing
   5.3 Cleaning liquids for apparatus
6 Apparatus
   6.1 Apparatus for migration assessment
   6.2 Apparatus for colour and turbidity assessment
7 Samples of product and test pieces
   7.1 General
   7.2 Surface-area-to-volume ratio (S/V)
        7.2.1 General
        7.2.2 Pipes
        7.2.3 Fittings, ancillaries and joints
8 Preparation of reagents and apparatus
   8.1 Reference water
   8.2 Test water with chlorine content
   8.3 Disinfection treatment water
   8.4 Cleaning of the apparatus
9 23 Degree C test procedure
   9.1 General
   9.2 Flushing
   9.3 Stagnation
        9.3.1 Stagnation with disinfection water
   9.4 Prewashing
        9.4.1 Flushing
        9.4.2 Rinsing
   9.5 Migration
10 Elevated temperature test procedure
   10.1 General
   10.2 Flushing
   10.3 Stagnation
        10.3.1 Stagnation with disinfection water
        10.3.2 Stagnation without disinfection water
   10.4 Flushing
   10.5 Elevated temperature stagnation
   10.6 Rinsing
   10.7 Migration
11 Determination of colour and turbidity
12 Expression of results
13 Test report
   13.1 General information
   13.2 The information on the product shall at least include:
   13.3 Information on the procedure
   13.4 Test results
Annex A (informative) Arrangement for flushing large diameters
        pipes
Annex B (informative) Schematic presentation of the test method
      B.1 Products to be tested at (23 +/- 2) degree C
      B.2 Products to be tested at elevated temperatures

Specifies a method for determining the colour and turbidity of test waters after their contact with the organic materials used in piping systems.