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BS EN ISO 6974-1:2012

BS EN ISO 6974-1:2012

Current

Current

The latest, up-to-date edition.

Natural gas. Determination of composition and associated uncertainty by gas chromatography General guidelines and calculation of composition

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

04-30-2013

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Principles of analysis
6 Analytical procedure
7 Control chart
8 Test report
Annex A (informative) - Comparative application ranges and
        characteristics of analytical methods described in
        ISO 6974-3 to ISO 6974-6
Annex B (informative) - Alternative approach to bridging and
        normalization
Annex C (informative) - Methane-by-difference approach
Annex D (normative) - Relative response factors
Annex E (informative) - Testing for outliers
Annex F (normative) - Pressure correction during calibration and
        sample analysis
Annex G (informative) - Software suitable for generalized least
        squares regression analysis
Annex H (informative) - Use of control charts
Bibliography

Provides methods for calculating component mole fractions of natural gas and specifies the data processing requirements for determining component mole fractions.

Committee
PTI/15
DevelopmentNote
Renumbers and supersedes BS ISO 6974-1 (05/2002) Supersedes 95/123185 DC and BS 3156-11.1.1(1986) (06/2002) 2001 Version incorporates amendment 13845 to BS ISO 6974-1. (11/2005) Supersedes 10/30215322 DC. (10/2012)
DocumentType
Standard
Pages
52
PublisherName
British Standards Institution
Status
Current
Supersedes

BS 8609:2014 Natural gas. Calculation of carbon dioxide emission factors from composition
14/30287938 DC : 0 BS 8609 - NATURAL GAS - CALCULATION OF CARBON DIOXIDE EMISSION FACTORS FROM COMPOSITION

ISO 5725-1:1994 Accuracy (trueness and precision) of measurement methods and results — Part 1: General principles and definitions
ISO 10715:1997 Natural gas — Sampling guidelines
ISO 6974-6:2002 Natural gas Determination of composition with defined uncertainty by gas chromatography Part 6: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C1 to C8 hydrocarbons using three capillary columns
ISO 6974-2:2012 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculations
ISO 6974-4:2000 Natural gas — Determination of composition with defined uncertainty by gas chromatography — Part 4: Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns
ISO 10723:2012 Natural gas Performance evaluation for analytical systems
ISO 16664:2017 Gas analysis — Handling of calibration gases and gas mixtures — Guidelines
ISO 6974-3:2000 Natural gas Determination of composition with defined uncertainty by gas chromatography Part 3: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C8 using two packed columns
ISO Guide 35:2017 Reference materials Guidance for characterization and assessment of homogeneity and stability
ISO/IEC Guide 99:2007 International vocabulary of metrology Basic and general concepts and associated terms (VIM)
ISO 6143:2001 Gas analysis — Comparison methods for determining and checking the composition of calibration gas mixtures
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 5479:1997 Statistical interpretation of data — Tests for departure from the normal distribution
ISO Guide 31:2015 Reference materials — Contents of certificates, labels and accompanying documentation
ISO 6974-5:2014 Natural gas Determination of composition and associated uncertainty by gas chromatography Part 5: Isothermal method for nitrogen, carbon dioxide, C1 to C5 hydrocarbons and C6+ hydrocarbons
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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Hardcopy - English
PDF - English
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