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I.S. EN ISO 6142-1:2015

Current
Current

The latest, up-to-date edition.

GAS ANALYSIS - PREPARATION OF CALIBRATION GAS MIXTURES - PART 1: GRAVIMETRIC METHOD FOR CLASS 1 MIXTURES (ISO 6142-1:2015)
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2015

Preview

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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

National Foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Principle
6 Planning the preparation of the mixture
7 Purity analysis
8 Determination of masses and calculation of
   preparation uncertainty
9 Homogeneity and stability of the calibration
   gas mixture
10 Verification of calibration gas mixture composition
11 Uncertainty of the calibration gas mixture and
   preparation of certificate
Annex A (informative) - Precautions to be taken when
        weighing, handling and filling cylinders
Annex B (informative) - Practical examples
Annex C (informative) - Guidelines for estimating filling
        pressures so as to avoid condensation of
        condensable components in gas mixtures
Annex D (normative) - Liquid introduction
Annex E (informative) - Atomic weights and molar masses
Annex F (informative) - Derivation of the equation for
        calculating the calibration gas mixture composition
Annex G (informative) - Sensitivity coefficients for the
        calculation of the uncertainty of the amount fraction
        of a component
Annex H (informative) - Derivation of the equation for the
        final measurement uncertainty on the calibration
        gas mixture
Bibliography

Defines a gravimetric method for the preparation of calibration gas mixtures in cylinders with traceable values for the amount-of-substance fraction (amount fraction) of one or more components.

DevelopmentNote
Supersedes I.S. EN ISO 6142. (09/2015)
DocumentType
Standard
Pages
56
PublisherName
National Standards Authority of Ireland
Status
Current
Supersedes

Standards Relationship
EN ISO 6142-1:2015 Identical
ISO 6142-1:2015 Identical

ISO/IEC 17025:2005 General requirements for the competence of testing and calibration laboratories
ISO/TS 29041:2008 Gas mixtures — Gravimetric preparation — Mastering correlations in composition
ISO 16664:2017 Gas analysis — Handling of calibration gases and gas mixtures — Guidelines
ISO 6143:2001 Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures
ISO 19229:2015 Gas analysis Purity analysis and the treatment of purity data
ISO 14912:2003 Gas analysis — Conversion of gas mixture composition data
ISO 7504:2015 Gas analysis Vocabulary
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
API 44 : 2003 RECOMMENDED PRACTICE FOR SAMPLING PETROLEUM RESERVOIR FLUIDS
ISO 6141:2015 Gas analysis Contents of certificates for calibration gas mixtures
ISO Guide 34:2009 General requirements for the competence of reference material producers
ISO/IEC Guide 98-3:2008 Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)

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