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  • 10/30199731 DC : 0

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    BS EN 16159 - ANIMAL FEEDING STUFFS - DETERMINATION OF SELENIUM BY HYDRIDE GENERATION ATOMIC ABSORPTION SPECTROMETRY (HGAAS) AFTER MICROWAVE DIGESTION (EXTRACTION WITH 65% NITRIC ACID AND 30% HYDROGEN PEROXIDE)

    Available format(s):  Hardcopy, PDF

    Superseded date:  29-02-2012

    Language(s):  English

    Published date: 

    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 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 by volume)
            at atmospheric pressure
    Bibliography

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

    Comment Closes On
    Committee AW/10
    Document Type Draft
    Publisher British Standards Institution
    Status Superseded
    Superseded By

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

    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
    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
    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
    CEN/TS 15621 : 2007 ANIMAL FEEDING STUFFS - DETERMINATION OF CALCIUM, SODIUM, PHOSPHORUS, MAGNESIUM, POTASSIUM, SULPHUR, IRON, ZINC, COPPER, MANGANESE, COBALT AND MOLYBDENUM AFTER PRESSURE DIGESTION BY ICP-AES
    ISO 6498:2012 Animal feeding stuffs Guidelines for sample preparation
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