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  • UNI EN 16159 : 2012

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    ANIMAL FEEDING STUFFS - DETERMINATION OF SELENIUM BY HYDRIDE GENERATION ATOMIC ABSORPTION SPECTROMETRY (HGAAS) AFTER MICROWAVE DIGESTION (DIGESTION WITH 65 % NITRIC ACID AND 30 % HYDROGEN PEROXIDE)

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    Published date:  01-01-2012

    Publisher:  Ente Nazionale Italiano di Unificazione (UNI)

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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 inter-laboratory
            test
    Annex B (informative) - Flowchart - Determination of
            selenium by hydride generation atomic
            absorption spectrometry (HGAAS) after
            microwave digestion (digestion with 65%
            nitric acid and 30% hydrogen peroxide
    Annex C (informative) - Alternative digestion procedure
            with the same digestion efficiency: Acid
            digestion with a mixture of 65% nitric acid
            and 70% perchloric acid (7:3 by volume)
            at atmospheric pressure
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines a method for the determination of selenium in animal feeding stuffs by hydride generation atomic absorption spectrometry (HGAAS) after microwave pressure digestion.

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

    Document Type Standard
    Publisher Ente Nazionale Italiano di Unificazione (UNI)
    Status Current

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

    VDLUFA BAND III-7 : 2007
    EN 14627 : 2005 FOODSTUFFS - DETERMINATION OF TRACE ELEMENTS - DETERMINATION OF TOTAL ARSENIC AND SELENIUM BY HYDRIDE GENERATION ATOMIC ABSORPTION SPECTROMETRY (HGAAS) AFTER PRESSURE DIGESTION
    ISO 6497:2002 Animal feeding stuffs Sampling
    PREN ISO 6498 : DRAFT 2009 ANIMAL FEEDING STUFFS - GUIDELINES FOR SAMPLE PREPARATION
    EN 15550:2017 ANIMAL FEEDING STUFFS - METHODS OF SAMPLING AND ANALYSIS - DETERMINATION OF CADMIUM AND LEAD BY GRAPHITE FURNACE ATOMIC ABSORPTION SPECTROMETRY (GF-AAS) AFTER PRESSURE DIGESTION
    VDLUFA BAND VII-3 : 2008
    EN 13804:2013 FOODSTUFFS - DETERMINATION OF ELEMENTS AND THEIR CHEMICAL SPECIES - GENERAL CONSIDERATIONS AND SPECIFIC REQUIREMENTS
    EN 13805:2014 FOODSTUFFS - DETERMINATION OF TRACE ELEMENTS - PRESSURE DIGESTION
    EN ISO 6497 : 2005 ANIMAL FEEDING STUFFS - SAMPLING
    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)
    EN 15621:2017 ANIMAL FEEDING STUFFS - METHODS OF SAMPLING AND ANALYSIS - DETERMINATION OF CALCIUM, SODIUM, PHOSPHORUS, MAGNESIUM, POTASSIUM, SULPHUR, IRON, ZINC, COPPER, MANGANESE AND COBALT AFTER PRESSURE DIGESTION BY ICP-AES
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