• I.S. 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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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

    Available format(s):  Hardcopy, PDF

    Superseded date:  14-02-2016

    Language(s):  English

    Published date:  01-01-1999

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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    Table of Contents - (Show below) - (Hide below)

    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 23 degree C 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

    Abstract - (Show below) - (Hide below)

    Defines a test method for determining the odour and flavour of test waters after their contact with the organic materials used in piping systems, where the term products comprises fittings, pipes and ancillaries including their joints and coatings.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    EN 1622:2006 Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN)
    ISO 7393-2:1985 Water quality Determination of free chlorine and total chlorine Part 2: Colorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes
    ISO 5492:2008 Sensory analysis — Vocabulary
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