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  • BS EN ISO 6142:2006

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    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Gas analysis. Preparation of calibration gas mixtures. Gravimetric method

    Available format(s):  Hardcopy, PDF

    Superseded date:  30-09-2015

    Language(s):  English

    Published date:  28-02-2007

    Publisher:  British Standards Institution

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

    Foreword
    1 Scope
    2 Normative references
    3 Principle
    4 Preparation of the mixture
    5 Calculation of uncertainty
    6 Verification of calibration gas mixture composition
    7 Test report
    Annex A (informative) Practical examples
    Annex B (informative) Guidelines for estimating filling
            pressures so as to avoid condensation of
            condensable components in gas mixtures
    Annex C (informative) Precautions to be taken when
            weighing, handling and filling cylinders
    Annex D (informative) Derivation of the equation for
            calculating the calibration gas mixture
            composition
    Annex E (informative) Sources of error
    Annex F (informative) Estimation of corrections and
            correction uncertainty
    Annex G (informative) Computer implementation of
            recommended methods
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes a gravimetric method for the preparation of calibration gas mixtures in cylinders of which the target accuracy has been pre-defined. Applicable only to mixtures of gaseous or totally vaporized components which do not react with each other or with the cylinder walls.

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

    Committee PTI/15
    Development Note Renumbers and supersedes BS ISO 6142 2006 version incorporates amendment 16906 to BS ISO 6142 Supersedes BS 4559-1.1(1983) & 98/122037 DC. (02/2007)
    Document Type Standard
    Publisher British Standards Institution
    Status Superseded
    Superseded By
    Supersedes

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

    DEFSTAN 68-284/3(2009) : 2009 COMPRESSED BREATHING GASES FOR AIRCRAFT, DIVING AND MARINE LIFE-SUPPORT APPLICATIONS

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

    ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
    ISO 6143:2001 Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures
    DIN 51896-1:1991-10 GAS ANALYSIS; QUANTITIES OF COMPOSITIONS, COMPRESSIBILITY FACTOR, BASIS
    ISO/TS 14167:2003 Gas analysis General quality assurance aspects in the use of calibration gas mixtures - Guidelines
    ISO 6141:2015 Gas analysis Contents of certificates for calibration gas mixtures
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