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  • BS EN 974:2003

    Current The latest, up-to-date edition.

    Chemicals used for treatment of water intended for human consumption. Phosphoric acid

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  06-02-2004

    Publisher:  British Standards Institution

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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 phosphoric acid
    Annex B (normative) General rules relating to the safety
    Annex C (informative) Determination of concentration by
            measurement of density
    Bibliography

    Abstract - (Show below) - (Hide below)

    Applies to phosphoric acid for treating water for human consumption. Covers the characteristics and defines requirements and corresponding methods of test for phosphoric acid, together with information on use for treatment of water.

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

    Committee B/504/10
    Development Note Supersedes 00/123895 DC (02/2004) Supersedes 93/500119 DC. (03/2007)
    Document Type Standard
    Publisher British Standards Institution
    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 4285:1977 Phosphoric acid for industrial use — Guide to sampling techniques
    ISO 758:1976 Liquid chemical products for industrial use — Determination of density at 20 degrees C
    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 5993:1979 Sodium hydroxide for industrial use — Determination of mercury content — Flameless atomic absorption spectrometric method
    ISO 649-2:1981 Laboratory glassware — Density hydrometers for general purposes — Part 2: Test methods and use
    ISO 3706:1976 Phosphoric acid for industrial use (including foodstuffs) — Determination of total phosphorus (V) oxide content — Quinoline phosphomolybdate gravimetric method
    ISO 2997:1974 Phosphoric acid for industrial use — Determination of sulphate content — Method by reduction and titrimetry
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