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  • BS EN 12338:1998

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 MERCURY - ENRICHMENT METHODS BY AMALGAMATION

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-06-2012

    Language(s):  English

    Published date:  01-01-1998

    Publisher:  British Standards Institution

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 General references
    4 Determination of mercury after tin (II) chloride
        reduction and enrichment by amalgamation
        4.1 Working range
        4.2 Principle
        4.3 Interferences
        4.4 Reagents
        4.5 Apparatus
        4.6 Sampling and sample pretreatment
        4.7 Digestion method using permanganate peroxodisulfate
        4.8 Procedure
        4.9 Calculation
        4.10 Expression of results
        4.11 Test report
    5 Determination of mercury after sodium tetrahydroborate
        reduction and enrichment by amalgamation
        5.1 Working range
        5.2 Principle
        5.3 Interferences
        5.4 Reagents
        5.5 Apparatus
        5.6 Sampling and sample pretreatment
        5.7 Digestion method
        5.8 Procedure
        5.9 Calculation
        5.10 Expression of results
        5.11 Test report
    6 Precision data
    Annex A (informative) Ultrasonic digestion method
    Annex B (informative)
    Annex C (informative) Microwave digestion method
    Annex D (informative) Bibliography

    Abstract - (Show below) - (Hide below)

    Defines the determining of mercury in two parts using either tin(II) chloride or sodium tetrahydroborate as reducing agent.

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

    Committee EH/3/2
    Development Note Supersedes 96/520294 DC. (08/2005) Reviewed and confirmed by BSI, July 2008. (06/2008)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    EN 25667-1 : 1993 WATER QUALITY - SAMPLING - GUIDANCE ON THE DESIGN OF SAMPLING PROGRAMMES
    ISO 5667-2:1991 Water quality Sampling Part 2: Guidance on sampling techniques
    ISO 5667-3:2012 Water quality Sampling Part 3: Preservation and handling of water samples
    ISO 5667-1:2006 Water quality Sampling Part 1: Guidance on the design of sampling programmes and sampling techniques
    EN ISO 5667-3:2012 WATER QUALITY - SAMPLING - PART 3: PRESERVATION AND HANDLING OF WATER SAMPLES (ISO 5667-3:2012)
    EN 25667-2 : 1993 WATER QUALITY - SAMPLING - GUIDANCE ON SAMPLING TECHNIQUES
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