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  • I.S. EN 1189:1997

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    WATER QUALITY - DETERMINATION OF PHOSPHORUS - AMMONIUM MOLYBDATE SPECTROMETRIC METHOD

    Available format(s):  Hardcopy, PDF

    Superseded date:  10-08-2004

    Language(s):  English

    Published date:  01-01-1997

    Publisher:  National Standards Authority of Ireland

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    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.

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

    Foreword
    Introduction
    1 Scope
    2 Principle
    3 Determination of orthophosphate
        3.1 Reagents
        3.2 Apparatus
        3.3 Sampling and samples
        3.4 Procedure
        3.5 Expression of results
        3.6 Test report
    4 Determination of orthophosphate after solvent extraction
        4.1 Reagents
        4.2 Sampling and samples
        4.3 Procedure
        4.4 Expression of results
        4.5 Test report
    5 Determination of hydrolysable phosphate and
        orthophosphate
        5.1 Reagents
        5.2 Apparatus
        5.3 Sampling and samples
        5.4 Procedure
        5.5 Expression of results
        5.6 Test report
    6 Determination of total phosphorus after peroxodisulfate
        oxidation
        6.1 Reagents
        6.2 Apparatus
        6.3 Sampling and samples
        6.4 Procedure
        6.5 Expression of results
        6.6 Test report
    7 Determination of total phosphorus after nitric acid-
        sulphuric acid digestion
        7.1 Reagents
        7.2 Apparatus
        7.3 Sampling and samples
        7.4 Procedure
        7.5 Expression of results
        7.6 Test report
    Annex A (informative) Precision data
    Annex B (informative) Interferences
    Annex C (informative) Bibliography

    Abstract - (Show below) - (Hide below)

    Specifies methods for the determination of: orthophosphate; orthophosphate after solvent extraction; hydrolysable phosphate plus orthophosphate; and total soluble phosphorus and total phosphorus after decomposition.

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

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    Status Superseded
    Superseded By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