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    I.S. EN 973:2009

    Current The latest, up-to-date edition.

    CHEMICALS USED FOR TREATMENT OF WATER INTENDED FOR HUMAN CONSUMPTION - SODIUM CHLORIDE FOR REGENERATION OF ION EXCHANGERS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2009

    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 Description
    4 Purity criteria
    5 Test methods
    6 Labelling - Transportation - Storage
    Annex A (informative) General information on sodium chloride
    Annex B (normative) Analytical methods
    Annex C (informative) Determination of cadmium, chromium, nickel
            and lead (flame atomic absorption spectrometry
    Annex D (informative) Determination of arsenic, antimony and
            selenium (atomic absorption spectrometry hydride technique)
    Bibliography

    Abstract - (Show below) - (Hide below)

    Applies to sodium chloride intended for use only in water treatment apparatus, for the regeneration of ion exchangers, intended for water for human consumption.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current
    Supersedes

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

    ISO 3165:1976 Sampling of chemical products for industrial use — Safety in sampling
    ISO 2483:1973 Sodium chloride for industrial use — Determination of the loss of mass at 110 degrees C
    ISO 6227:1982 Chemical products for industrial use General method for determination of chloride ions Potentiometric method
    ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
    EN ISO 3696:1995 Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)
    ISO 6206:1979 Chemical products for industrial use — Sampling — Vocabulary
    ISO 2482:1973 Sodium chloride for industrial use — Determination of calcium and magnesium contents — EDTA complexometric methods
    ISO 8213:1986 Chemical products for industrial use — Sampling techniques — Solid chemical products in the form of particles varying from powders to coarse lumps
    ISO 2479:1972 Sodium chloride for industrial use — Determination of matter insoluble in water or in acid and preparation of principal solutions for other determinations
    ISO 2480:1972 Sodium chloride for industrial use — Determination of sulphate content — Barium sulphate gravimetric method
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