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  • SN EN 1622 : 2006

    Current The latest, up-to-date edition.

    WATER QUALITY - DETERMINATION OF THE THRESHOLD ODOUR NUMBER (TON) AND THRESHOLD FLAVOUR NUMBER (TFN)

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    Published date:  12-01-2013

    Publisher:  Swiss Standards

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Definitions
    4 Principle
    5 Hazards
    6 Test environment
    7 Apparatus and reagents
    8 Sampling and sample preservation
    9 Test panel and selected assessors
    10 Procedure
    11 Expression of results
    12 Test report
    Annexes
    A (normative) Chlorinated water
    B (informative) Method for the preparation of reference
        water
    C (informative) Selection of the test panel
    D (informative) Preparation of dilutions
    E (informative) Interlaboratory tests

    Abstract - (Show below) - (Hide below)

    Provides quantitative methods for determining the TON and TFN of waters and also a qualitative method for determining any abnormal odour and/or flavour.

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

    Committee INB/NK 107
    Document Type Standard
    Publisher Swiss Standards
    Status Current
    View more information

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