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ISO 6974-2:2012

Current
Current

The latest, up-to-date edition.

Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 2: Uncertainty calculations
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

French, English

Published date

05-15-2012

This part of ISO 6974 describes the process required to determine the uncertainty associated with the mole

fraction for each component from a natural gas analysis in accordance with ISO 6974‑1.

Committee
ISO/TC 193/SC 1
DevelopmentNote
Together with ISO 6974-1, ISO 6974-3, ISO 6974-4 and ISO 6974-5, it supersedes ISO 6974 (03/2001) Supersedes ISO/DIS 6974-2. (05/2012)
DocumentType
Standard
Pages
15
PublisherName
International Organization for Standardization
Status
Current
Supersedes

10/30215322 DC : 0 BS EN ISO 6974-1 - NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 1: GENERAL GUIDELINES AND CALCULATION OF COMPOSITION
BS EN 16726 : 2015 GAS INFRASTRUCTURE - QUALITY OF GAS - GROUP H
17/30326671 DC : 0 BS ISO 27919-1 - CARBON DIOXIDE CAPTURE - PART 1: PERFORMANCE EVALUATION METHODS FOR POST-COMBUSTION CO[2] CAPTURE INTEGRATED WITH A POWER PLANT
BS EN 16723-2:2017 Natural gas and biomethane for use in transport and biomethane for injection in the natural gas network Automotive fuels specification
BS ISO 14532 : 2001 AMD 15911 NATURAL GAS - VOCABULARY
DIN EN 16723-2:2014-06 (Draft) NATURAL GAS AND BIOMETHANE FOR USE IN TRANSPORT AND BIOMETHANE FOR INJECTION IN THE NATURAL GAS NETWORK - PART 2: AUTOMOTIVE FUELS SPECIFICATION
16/30295054 DC : DRAFT APR 2016 BS ISO 12963 - GAS ANALYSIS - COMPARISON METHODS FOR THE DETERMINATION OF THE COMPOSITION OF GAS MIXTURES BASED ON ONE- AND TWO-POINT CALIBRATION
DIN EN ISO 6974-6 E : 2005 NATURAL GAS - DETERMINATION OF COMPOSITION WITH DEFINED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 6: DETERMINATION OF HYDROGEN, HELIUM, OXYGEN, NITROGEN, CARBON DIOXIDE AND C[1] TO C[8] HYDROCARBONS USING THREE CAPILLARY COLUMNS
S.R. CEN ISO/TR 24094:2007 ANALYSIS OF NATURAL GAS - VALIDATION METHODS FOR GASEOUS REFERENCE MATERIALS
I.S. EN 16723-2:2017 NATURAL GAS AND BIOMETHANE FOR USE IN TRANSPORT AND BIOMETHANE FOR INJECTION IN THE NATURAL GAS NETWORK - PART 2: AUTOMOTIVE FUELS SPECIFICATION
UNE-EN ISO 6974-5:2015 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 6974-5:2014)
ISO 6974-1:2012 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition
BS EN ISO 13686:2013 Natural gas. Quality designation
UNE-EN ISO 14532:2017 Natural gas - Vocabulary (ISO 14532:2014)
UNE-EN ISO 6976:2017 Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016)
BS EN ISO 6976:2005 Natural gas. Calculation of calorific values, density, relative density and Wobbe index from composition
BS EN ISO 14111:1999 Natural gas. Guidelines to traceability in analysis
I.S. EN ISO 13686:2013 NATURAL GAS - QUALITY DESIGNATION (ISO 13686:2013)
DIN EN ISO 6974-4:2002-06 NATURAL GAS - DETERMINATION OF COMPOSITION WITH DEFINED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 4: DETERMINATION OF NITROGEN, CARBON DIOXIDE AND C[1] TO C[5] AND C[6+] HYDROCARBONS FOR A LABORATORY AND ON-LINE MEASURING SYSTEM USING TWO COLUMNS
DIN EN 16723-2:2017-10 NATURAL GAS AND BIOMETHANE FOR USE IN TRANSPORT AND BIOMETHANE FOR INJECTION IN THE NATURAL GAS NETWORK - PART 2: AUTOMOTIVE FUELS SPECIFICATION
DIN EN 16726 E : 2016 GAS INFRASTRUCTURE - QUALITY OF GAS - GROUP H
BS EN ISO 6974-6:2008 Natural gas. Determination of composition with defined uncertainty by gas chromatography Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C1 to C8 hydrocarbons using three capillary columns
PD ISO/TR 29922:2017 Natural gas. Supporting information on the calculation of physical properties according to ISO 6976
PD CEN ISO/TR 24094:2007 Analysis of natural gas. Validation methods for gaseous reference materials
05/30068455 DC : DRAFT MAY 2005 ISO 23874 - NATURAL GAS - ANALYTICAL REQUIREMENTS FOR HYDROCARBON CONTENT/DEW POINT CALCULATION
BS EN ISO 18453:2005 Natural gas. Correlation between water content and water dew point
I.S. EN 16726:2015 GAS INFRASTRUCTURE - QUALITY OF GAS - GROUP H
DIN EN ISO 6974-1:2012-11 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition (ISO 6974-1:2012)
UNE-EN ISO 13686:2014 Natural gas - Quality designation (ISO 13686:2013)
BS EN ISO 14532:2017 Natural gas. Vocabulary
I.S. EN ISO 6974-1:2012 NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 1: GENERAL GUIDELINES AND CALCULATION OF COMPOSITION (ISO 6974-1:2012)
I.S. EN ISO 10723:2012 NATURAL GAS - PERFORMANCE EVALUATION FOR ANALYTICAL SYSTEMS (ISO 10723:2012)
DIN EN ISO 10723:2013-04 NATURAL GAS - PERFORMANCE EVALUATION FOR ANALYTICAL SYSTEMS (ISO 10723:2012)
I.S. EN ISO 6976:2016 NATURAL GAS - CALCULATION OF CALORIFIC VALUES, DENSITY, RELATIVE DENSITY AND WOBBE INDICES FROM COMPOSITION (ISO 6976:2016)
I.S. EN ISO 14532:2017 NATURAL GAS - VOCABULARY (ISO 14532:2014)
I.S. EN ISO 6974-5:2014 NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 5: ISOTHERMAL METHOD FOR NITROGEN, CARBON DIOXIDE, C[1] TO C[5] HYDROCARBONS AND C[6+] HYDROCARBONS (ISO 6974-5:2014)
BS 3156-11.1.2(1997) : 1997 AMD 16104 ANALYSIS OF FUEL GASES - METHODS FOR NON-MANUFACTURED GASES - HYDROCARBONS AND INERT GASES - EXTENDED ANALYSIS BY GAS CHROMATOGRAPHIC METHOD
11/30232917 DC : 0 BS ISO 13579-1 - INDUSTRIAL FURNACES AND ASSOCIATED PROCESSING EQUIPMENT - METHOD OF MEASURING ENERGY BALANCE AND CALCULATING EFFICIENCY - PART 1: GENERAL METHODOLOGY
DIN EN 16723-2 E : 2017 NATURAL GAS AND BIOMETHANE FOR USE IN TRANSPORT AND BIOMETHANE FOR INJECTION IN THE NATURAL GAS NETWORK - PART 2: AUTOMOTIVE FUELS SPECIFICATION
04/30122896 DC : DRAFT SEP 2004 ISO 15112 - NATURAL GAS - ENERGY DETERMINATION
DIN EN ISO 6974-3 E : 2002 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 C[8] USING TWO PACKED COLUMNS
12/30264449 DC : DRAFT JULY 2012 BS EN ISO 6974-5 - NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - ISOTHERMAL METHOD FOR NITROGEN, CARBON DIOXIDE, C1 TO C5 HYDROCARBONS AND C6+ HYDROCARBONS
ISO/TR 24094:2006 Analysis of natural gas Validation methods for gaseous reference materials
DIN EN 16726:2016-04 GAS INFRASTRUCTURE - QUALITY OF GAS - GROUP H
I.S. EN ISO 6974-3:2002 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 C[8] USING TWO PACKED COLUMNS
DIN EN ISO 6975:2005-09 NATURAL GAS - EXTENDED ANALYSIS - GAS-CHROMATOGRAPHIC METHOD
UNE-EN ISO 6974-1:2013 Natural gas - Determination of composition and associated uncertainty by gas chromatography - Part 1: General guidelines and calculation of composition (ISO 6974-1:2012)
BS EN ISO 6974-5:2014 Natural gas. Determination of composition and associated uncertainty by gas chromatography Isothermal method for nitrogen, carbon dioxide, C1 to C5 hydrocarbons and C6+ hydrocarbons
EN ISO 6974-3:2001 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 6974-3:2000)
EN ISO 6974-6:2005 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 6974-6:2002)
EN ISO 14532:2017 Natural gas - Vocabulary (ISO 14532:2014)
UNI EN ISO 13686 : 2013 NATURAL GAS - QUALITY DESIGNATION
UNI EN ISO 6974-1 : 2012 NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 1: GENERAL GUIDELINES AND CALCULATION OF COMPOSITION
UNI EN ISO 10723 : 2013 NATURAL GAS - PERFORMANCE EVALUATION FOR ANALYTICAL SYSTEMS
17/30345272 DC : 0 BS ISO 14167 - GAS ANALYSIS - GENERAL QUALITY ASPECTS AND METROLOGICAL TRACEABILITY OF CALIBRATION GAS MIXTURES
BS ISO 6974-6 : 2002 NATURAL GAS - DETERMINATION OF COMPOSITION WITH DEFINED UNCERTAINTY BY GAS CHROMATOGRAPHY - DETERMINATION OF HYDROGEN, HELIUM, OXYGEN, NITROGEN, CARBON DIOXIDE AND C[1] TO C[8] HYDROCARBONS USING THREE CAPILLARY COLUMNS
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
BS ISO 6974-1 : 2000 AMD 13845 NATURAL GAS - DETERMINATION OF COMPOSITION WITH DEFINED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 1: GUIDELINES FOR TAILORED ANALYSIS
DIN EN ISO 13686:2013-12 NATURAL GAS - QUALITY DESIGNATION (ISO 13686:2013)
DIN EN ISO 6974-4 E : 2002 NATURAL GAS - DETERMINATION OF COMPOSITION WITH DEFINED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 4: DETERMINATION OF NITROGEN, CARBON DIOXIDE AND C[1] TO C[5] AND C[6+] HYDROCARBONS FOR A LABORATORY AND ON-LINE MEASURING SYSTEM USING TWO COLUMNS
BS EN ISO 6974-4:2001 Natural gas. Determination of composition with defined uncertainty by gas chromatography Determination of nitrogen, carbon dioxide and C1 to C5 and C6+ hydrocarbons for a laboratory and on-line measuring system using two columns
ISO 6976:2016 Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition
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
UNE-EN ISO 10723:2013 Natural gas - Performance evaluation for analytical systems (ISO 10723:2012)
ISO 10723:2012 Natural gas Performance evaluation for analytical systems
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
BS EN ISO 6974-1:2012 Natural gas. Determination of composition and associated uncertainty by gas chromatography General guidelines and calculation of composition
DIN EN ISO 6974-5:2014-10 NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 5: ISOTHERMAL METHOD FOR NITROGEN, CARBON DIOXIDE, C[1] TO C[5] HYDROCARBONS AND C[6+] HYDROCARBONS (ISO 6974-5:2014)
BS EN ISO 10723:2012 Natural gas. Performance evaluation for analytical systems
ISO 6975:1997 Natural gas — Extended analysis — Gas-chromatographic method
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
EN ISO 13686:2013 Natural gas - Quality designation (ISO 13686:2013)
EN ISO 6974-4:2001 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 6974-4:2000)
EN ISO 18453:2005 Natural gas - Correlation between water content and water dew point (ISO 18453:2004)
EN 16723-2:2017 Natural gas and biomethane for use in transport and biomethane for injection in the natural gas network - Part 2: Automotive fuels specification
EN ISO 6975:2005 Natural gas - Extended analysis - Gas-chromatographic method (ISO 6975:1997)
EN ISO 14111:1999 Natural gas - Guidelines to traceability in analysis (ISO 14111:1997)
EN 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 6974-5:2014)
EN ISO 10723:2012 Natural gas - Performance evaluation for analytical systems (ISO 10723:2012)
EN ISO 6976:2016 Natural gas - Calculation of calorific values, density, relative density and Wobbe indices from composition (ISO 6976:2016)
EN 16726:2015 Gas infrastructure - Quality of gas - Group H
EN ISO 6974-1:2012/AC:2012 NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 1: GENERAL GUIDELINES AND CALCULATION OF COMPOSITION (ISO 6974-1:2012/COR 1:2012)
CEN ISO/TR 24094:2007 Analysis of natural gas - Validation methods for gaseous reference materials (ISO/TR 24094:2006)
BS EN ISO 6974-3:2001 Natural gas. Determination of composition with defined uncertainty by gas chromatography Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and hydrocarbons up to C8 using two packed columns
BS ISO 23874 : 2006 NATURAL GAS - GAS CHROMATOGRAPHIC REQUIREMENTS FOR HYDROCARBON DEWPOINT CALCULATION
15/30289053 DC : 0 BS ISO 6976 - NATURAL GAS - CALCULATION OF CALORIFIC VALUES, DENSITY, RELATIVE DENSITY AND WOBBE INDEX FROM COMPOSITION
12/30247157 DC : 0 BS ISO 14532 - NATURAL GAS - VOCABULARY
DIN EN ISO 18453:2006-01 Natural gas - Correlation between water content and water dew point (ISO 18453:2004)
ISO 18453:2004 Natural gas Correlation between water content and water dew point
ISO/TR 29922:2017 Natural gas Supporting information on the calculation of physical properties according to ISO 6976
ISO 23874:2006 Natural gas Gas chromatographic requirements for hydrocarbon dewpoint calculation
I.S. EN ISO 6974-6:2005 NATURAL GAS - DETERMINATION OF COMPOSITION WITH DEFINED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 6: DETERMINATION OF HYDROGEN, HELIUM, OXYGEN, NITROGEN, CARBON DIOXIDE AND C[1] TO C[8] HYDROCARBONS USING THREE CAPILLARY COLUMNS
I.S. EN ISO 18453:2005 NATURAL GAS - CORRELATION BETWEEN WATER CONTENT AND WATER DEW POINT
DIN EN ISO 6974-5 E : 2002 NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 5: ISOTHERMAL METHOD FOR NITROGEN, CARBON DIOXIDE, C[1] TO C[5] HYDROCARBONS AND C[6+] HYDROCARBONS (ISO 6974-5:2014)
DIN EN ISO 6974-1 E : 2012 NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 1: GENERAL GUIDELINES AND CALCULATION OF COMPOSITION (ISO 6974-1:2012)
ISO 13686:2013 Natural gas Quality designation
BS EN ISO 6975:2005 Natural gas. Extended analysis. Gas chromatographic method
DIN EN ISO 6974-6:2005-08 Natural gas - Determination of composition with defined uncertainty by gas chromatography - Part 6: Determination of hydrogen, helium, oxygen, nitrogen, carbon dioxide and C<(Index)1> to C<(Index)8> hydrocarbons using three capillary columns (ISO 6974-6:2002)
DIN EN ISO 6974-5:2002-06 NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 5: ISOTHERMAL METHOD FOR NITROGEN, CARBON DIOXIDE, C[1] TO C[5] HYDROCARBONS AND C[6+] HYDROCARBONS (ISO 6974-5:2014)

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 6974-4:2000 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 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 6974-1:2012 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition
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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