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  • EN ISO 4938:2016

    Current The latest, up-to-date edition.

    Steel and iron - Determination of nickel content - Gravimetric or titrimetric method (ISO 4938:2016)

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    Published date:  09-03-2016

    Publisher:  Comite Europeen de Normalisation

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

    Foreword
    1 Scope
    2 Normative references
    3 Principle
    4 Reagents
    5 Apparatus
    6 Sampling
    7 Procedure
    8 Expression of results
    9 Test report
    Annex A (informative) - Additional information on the
            international interlaboratory test
    Annex B (informative) - Graphical representation of
            precision data
    Annex C (normative) - Determination of nickel in combined
            filtrates by atomic absorption spectrometry
    Bibliography

    Abstract - (Show below) - (Hide below)

    ISO 4938:2016 specifies a method for the determination of nickel in steel and iron by gravimetry or titrimetry.The method is applicable to nickel contents from 1 % to 30 % (mass fraction).

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

    Committee CEN/TC 459/SC 2
    Development Note Supersedes EN 24938. (03/2016)
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current
    Supersedes

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

    ISO 4793:1980 Laboratory sintered (fritted) filters — Porosity grading, classification and designation
    ISO 1042:1998 Laboratory glassware One-mark volumetric flasks
    ISO 648:2008 Laboratory glassware — Single-volume pipettes
    ISO 5725:1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests
    ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
    ISO 14284:1996 Steel and iron — Sampling and preparation of samples for the determination of chemical composition
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