• I.S. EN 61198:1994

    Current The latest, up-to-date edition.

    MINERAL INSULATING OILS - METHODS FOR THE DETERMINATION OF 2-FURFURAL AND RELATED COMPOUNDS

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-1994

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    FOREWORD
    INTRODUCTION
    1 Scope
    2 Normative references
    3 Sampling
    4 Labelling of samples
    5 Apparatus
       5.1 General equipment
       5.2 Equipment for extraction by Method A
       5.3 Equipment for extraction by Method B
       5.4 High-performance liquid chromatograph (HPLC)
    6 Reagents
    7 Symbols and units
    8 Analytes
    9 Operating procedure
       9.1 Extraction of the analytes
       9.2 Analysis of the extract
    10 Calibration
       10.1 Standard solutions in oil
       10.2 Standard solution in the chromatographic eluent
       10.3 Procedure
    11 Calculations
    12 Report
    13 Minimum level of detection
    14 Precision
       14.1 Repeatability
       14.2 Reproducibility
    Annex A - Checking extraction and recovery
    Figures
    ANNEX ZA (normative) OTHER INTERNATIONAL PUBLICATIONS
             QUOTED IN THIS STANDARD WITH THE REFERENCES OF THE
             RELEVANT EUROPEAN PUBLICATIONS

    Abstract - (Show below) - (Hide below)

    This International Standard specifies test methods for the analysis of 2-furfural and related furan compounds resulting from the degradation of cellulosic insulation and found in mineral insulating oil samples taken from electrical equipment.

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    Committee TC 10
    Development Note For CENELEC adoptions of IEC publications, please check www.iec.ch to be sure that you have any corrigenda that may apply. (01/2017)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current

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

    IEC 60475:2011 Method of sampling insulating liquids
    IEC 60567:2011 Oil-filled electrical equipment - Sampling of gases and analysis of free and dissolved gases - Guidance
    EN 60567:2011 OIL-FILLED ELECTRICAL EQUIPMENT - SAMPLING OF GASES AND ANALYSIS OF FREE AND DISSOLVED GASES - GUIDANCE (IEC 60567:2011)
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