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  • BS 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)

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  29-02-2012

    Publisher:  British Standards Institution

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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.

    Scope - (Show below) - (Hide below)

    This European Standard specifies a method for the determination of selenium in animal feeding stuffs by hydride generation atomic absorption spectrometry (HGAAS) after microwave pressure digestion. The method was successfully tested by an inter-laboratory study of CEN/TC 327/WG 4 in the range of 0,25 mg/kg to 74 mg/kg. The limit of quantification is 0,5 g/l of the test solution which corresponds to the calibration standard 2. Using a test portion of 0,5 g and a volume of the test solution of 25 ml after pressure digestion the limit of quantification is calculated as 0,125 mg/kg in the feed material. NOTE A lower limit of quantification could be achieved each laboratory has to prove it.

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    Committee AW/10
    Development Note Supersedes 10/30199731 DC. (03/2012)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    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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