NEN EN 1420-1 : 1999
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
INFLUENCE OF ORGANIC MATERIALS ON WATER INTENDED FOR HUMAN CONSUMPTION - DETERMINATION OF ODOUR AND FLAVOUR ASSESSMENT OF WATER IN PIPING SYSTEMS - PART 1: TEST METHOD
04-02-2016
12-01-2013
Foreword
Introduction
1 Scope
2 Normative References
3 Terms and Definitions
4 Principle
5 Test Environment
6 Reagents
6.1 Sodium thiosulfate solution
6.2 Sodium hypochlorite solution
6.3 Waters to be used for testing
6.4 Cleaning liquids for glassware
7 Apparatus
7.1 Apparatus for migration test procedure
7.2 Apparatus for odour and flavour assessment
8 Sampling of Product and Test Pieces
8.1 General
8.2 Surface-area-to-volume ratio (S/V)
9 Preparation of Reagents and Apparatus
9.1 Reference water
9.2 Water with chlorine content
9.3 Disinfection treatment water
9.4 Cleaning of the glassware
10 23degreeC Test Procedure
10.1 General
10.2 Flushing
10.3 Stagnation
10.4 Prewashing
10.5 Migration
11 Elevated Temperature Test Procedure
11.1 General
11.2 Flushing
11.3 Stagnation
11.4 Flushing
11.5 Elevated temperature stagnation
11.6 Rinsing
11.7 Migration
12 Determination of TON and TFN
13 Expression of Results
14 Test Report
14.1 General information
14.2 Minimum information on the product
14.3 Information on the procedure
14.4 Test results
Annex A (informative) Arrangement for flushing large
diameter 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
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