I.S. EN ISO 6142-1:2015
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)
Hardcopy , PDF
English
01-01-2015
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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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