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  • EN ISO 14111:1999

    Current The latest, up-to-date edition.

    Natural gas - Guidelines to traceability in analysis (ISO 14111:1997)

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    Published date:  24-03-1999

    Publisher:  Comite Europeen de Normalisation

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

    1 Scope
    2 Normative references
    3 Definitions
    4 Fundamental principles of metrological traceability
    5 Elaboration of the traceability concept
    6 Chemical composition and the SI system
    7 Traceability in natural-gas analysis
    8 Hierarchy of reference in uncertainty assessment
    9 Role of traceability in uncertainty assessment
    10 Implementation of traceability in International
        Standards for natural-gas analysis
    11 Examples
    12 Summary
    ANNEXES
    A Supplementary terms and definitions
    B Example of typical interlaboratory test results
    C Bibliography

    Abstract - (Show below) - (Hide below)

    Defines guidelines on the application and implementation of traceability concepts in analysing natural gas. Covers the foundations of the development of specific traceability protocols.

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

    Committee CEN/TC 238
    Document Type Standard
    Publisher Comite Europeen de Normalisation
    Status Current

    Standards Referenced By This Book - (Show below) - (Hide below)

    18/30369304 DC : DRAFT APR 2018 BS EN 1473 - INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN OF ONSHORE INSTALLATIONS
    PREN 1473 : DRAFT 2018 INSTALLATION AND EQUIPMENT FOR LIQUEFIED NATURAL GAS - DESIGN OF ONSHORE INSTALLATIONS

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

    ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
    ISO 6976:2016 Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition
    ISO 5168:2005 Measurement of fluid flow — Procedures for the evaluation of uncertainties
    ISO 6974-2:2012 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculations
    ISO 10723:2012 Natural gas Performance evaluation for analytical systems
    ISO 6711:1981 Gas analysis Checking of calibration gas mixtures by a comparison method
    ISO 5725-3:1994 Accuracy (trueness and precision) of measurement methods and results — Part 3: Intermediate measures of the precision of a standard measurement method
    ISO Guide 33:2015 Reference materials Good practice in using reference materials
    ISO 5725-6:1994 Accuracy (trueness and precision) of measurement methods and results — Part 6: Use in practice of accuracy values
    ISO Guide 35:2017 Reference materials Guidance for characterization and assessment of homogeneity and stability
    ISO 5725-4:1994 Accuracy (trueness and precision) of measurement methods and results Part 4: Basic methods for the determination of the trueness of a standard measurement method
    ISO 6143:2001 Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures
    ISO Guide 30:2015 Reference materials Selected terms and definitions
    ISO 6142:2001 Gas analysis Preparation of calibration gas mixtures Gravimetric method
    ISO 5725-2:1994 Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
    ISO 9001:2015 Quality management systems — Requirements
    ISO 6974-1:2012 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition
    ISO 10012-1:1992 Quality assurance requirements for measuring equipment Part 1: Metrological confirmation system for measuring equipment
    ISO 3534-1:2006 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability
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