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BS EN ISO 6142:2006

BS EN ISO 6142:2006

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Gas analysis. Preparation of calibration gas mixtures. Gravimetric method

Available format(s)

Hardcopy , PDF

Superseded date

09-30-2015

Language(s)

English

Published date

02-28-2007

Publisher

British Standards Institution

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

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.

Committee
PTI/15
DevelopmentNote
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)
DocumentType
Standard
Pages
46
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

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

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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PDF - English
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