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  • NEN EN 13656 : 2002

    Current The latest, up-to-date edition.
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    CHARACTERIZATION OF WASTE - MICROWAVE ASSISTED DIGESTION WITH HYDROFLUORIC (HF), NITRIC (HNO3) AND HYDROCHLORIC (HCI) ACID MIXTURE FOR SUBSEQUENT DETERMINATION OF ELEMENTS

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    Published date:  13-01-2013

    Publisher:  Netherlands Standards

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

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Safety remarks
    5 Sample
       5.1 Sample pre-treatment
       5.2 Mass of test portion
    6 Equipment
       6.1 Closed vessel system
           6.1.1 Microwave unit
           6.1.2 Digestion vessels
       6.2 Semi-open vessel system
           6.2.1 Microwave unit
           6.2.2 Digestion vessels
       6.3 General equipment
    7 Reagents
    8 Interferences and sources of error
       8.1 General informations
       8.2 Closed vessel system
       8.3 Semi-open vessel system
    9 Procedure
       9.1 Blank test
       9.2 Procedure for closed vessels
           9.2.1 Amount of samples and reagents
           9.2.2 Digestion
           9.2.3 Complexation of HF
           9.2.4 Preparation of the solution for analysis
       9.3 Procedure for semi-open vessels
           9.3.1 Amount of samples
           9.3.2 Digestion and complexation of HF
           9.3.3 Preparation of the solution for analysis
    10 Test report
    Annex A (normative) Calibration of the powder adjustment
    Annex B (informative) Validation
    Bibliography

    Abstract - (Show below) - (Hide below)

    Gives methods of microwave assisted digestion with hydrofluoric (HF), nitric (HNO[3]) and hydrochloric (HCL) acid mixture. Solutions produced by the methods are suitable for analysis e.g. by atomic absorption spectrometry (FLAAS, HGAAS, CVAAS, GFAAS), inductively coupled plasma emission spectrometry (ICP-OES) and inductive coupled plasma mass spectrometry (ICP-MS).

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    Document Type Standard
    Publisher Netherlands Standards
    Status Current
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