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  • NEN EN 196-10 : 2016

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    METHODS OF TESTING CEMENT - PART 10: DETERMINATION OF THE WATER-SOLUBLE CHROMIUM (6) CONTENT OF CEMENT

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    Published date:  12-01-2013

    Publisher:  Netherlands Standards

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

    Foreword
    1 Scope
    2 Normative references
    3 General requirements for testing
       3.1 Number of tests
       3.2 Repeatability and reproducibility
       3.3 Expression of masses, volumes, factors and results
       3.4 Blank determinations
    4 Reagents
    5 Apparatus
    6 Preparation of a test sample of cement
    7 Extraction procedure
       7.1 Principle
       7.2 Preparation of mortar
       7.3 Filtration
    8 Determination of chromium (VI)
       8.1 General
       8.2 Measurement of absorbance without oxidation
       8.3 Measurement of absorbance with oxidation
    9 Calculation and expression of results
       9.1 Calculation
       9.2 Expression of results
    10 Reporting of results
    11 Repeatability and reproducibility
    Annex A (normative) Evaluation of the compliance of cement with
            the regulatory limit in Directive 2003/53/EC on water-soluble
            hexavalent chromium content
            Foreword
            A.1 Scope
            A.2 Normative references
            A.3 Terms and definitions
            A.4 Factory production control by the manufacturer
            A.5 Tasks for the verification body
            A.6 Compliance criteria
            A.7 Compliance assessment
            A.8 Actions in the event of non-compliance
            A.9 Requirements for dispatching centres
    Annex B (informative) Guidance on the application of this European
            Standard to the determination of the water soluble
            chromium (VI) content of cement-containing preparations
            B.1 Background
            B.2 Extraction procedure
            B.3 Filtration procedure
            B.4 Calculation and reporting of results
            B.5 Evaluation of compliance
    Annex C (informative) Guidance on screening test method (1) using
            paste extraction - method based on DS 1020
            C.1 Object and field of application
            C.2 Principle
            C.3 Reagents
            C.4 Apparatus
            C.5 Procedure
            C.6 Calculation of results
            C.7 Reporting result
            C.8 Precision and accuracy
            C.9 Report
    Annex D (informative) Guidance on screening test method (2) using
            paste extraction - method based on TRGS 613
            D.1 Significance and use
            D.2 Basic principles of the method
            D.3 Apparatus
            D.4 Materials
            D.5 Construction of a calibration curve
            D.6 Sample preparation and analysis
            D.7 Evaluation and Interpretation
            D.8 Health and safety
    Annex E (informative) Guidance on the photometric determination of
            chromium reduction capacity in cements
            Foreword
            E.1 Summary
            E.2 Scope
            E.3 Apparatus
            E.4 Reagents
            E.5 Procedure
            E.6 Calculations
            E.7 Result
            E.8 Control of instrument
    Bibliography

    Abstract - (Show below) - (Hide below)

    Defines the method for the determination of the water-soluble chromium (6) content of cement.

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    Document Type Standard
    Publisher Netherlands Standards
    Status Current
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