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  • PREN 16277 : DRAFT 2011

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    ANIMAL FEEDING STUFFS - DETERMINATION OF MERCURY BY COLD-VAPOUR ATOMIC ABSORPTION SPECTROMETRY (CVAAS) AFTER MICROWAVE PRESSURE DIGESTION (EXTRACTION WITH 65% NITRIC ACID AND 30% HYDROGEN PEROXIDE)

    Available format(s): 

    Superseded date:  01-07-2012

    Language(s): 

    Published date:  12-01-2013

    Publisher:  Comite Europeen de Normalisation

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

    Foreword
    1 Scope
    2 Normative references
    3 Principle
    4 Reagents
    5 Apparatus and equipment
    6 Procedure
    7 Calculation
    8 Precision
    9 Test report
    Annex A (informative) - Results of the interlaboratory
            tests
    Annex B (informative) - Flowchart
    Annex C (informative) - Adjustment of a microwave oven
    Annex D (informative) - Alternative digestion procedure
            with the same extraction efficiency: Acid
            digestion with a mixture of 65% nitric acid and
            70% perchloric acid (7:3 v/v) at atmospheric
            pressure
    Annex E (informative) - Alternative digestion procedure
            with the same extraction efficiency: Acid
            digestion with a mixture of 65% nitric acid,
            37% hydrochloric acid and 30% hydrogen peroxide
            under reflux
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    Abstract - (Show below) - (Hide below)

    Describes a method for the determination of mercury in animal feeding stuffs by cold-vapour atomic absorption spectrometry (CVAAS) after microwave pressure digestion.

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

    Comment Closes On
    Committee TC 327
    Document Type Draft
    Publisher Comite Europeen de Normalisation
    Status Superseded
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