EN ISO 6974-1:2012/AC:2012
Current
Current
The latest, up-to-date edition.
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)
Amendment of
Published date
15-11-2012
Publisher
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 |
TC 238
|
| DocumentType |
Standard
|
| PublisherName |
Comite Europeen de Normalisation
|
| Status |
Current
|
| Standards | Relationship |
| DIN EN ISO 6974-1:2012-11 | Identical |
| UNE-EN ISO 6974-1:2013 | Identical |
| NF EN ISO 6974-1 : 2012 | Identical |
| ISO 6974-1:2012 | Identical |
| ISO 6974-1:2012/Cor 1:2012 | Identical |
| NBN EN ISO 6974-1 : 2012 COR 2012 | Identical |
| NEN EN ISO 6974-1 : 2012 C1 2012 | Identical |
| NS EN ISO 6974-1 : 2012 AC 2012 | Identical |
| I.S. EN ISO 6974-1:2012 | Identical |
| PN EN ISO 6974-1 : 2012 AC 2014 | Identical |
| SN EN ISO 6974-1 : 2012 CORR 2013 | Identical |
| UNI EN ISO 6974-1 : 2012 | Identical |
| BS EN ISO 6974-1:2012 | Identical |
| DIN EN ISO 6974-1 E : 2012 | Identical |
| 14/30288159 DC : 0 | BS EN 16726 - GAS INFRASTRUCTURE - QUALITY OF GAS - GROUP H |
| 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 |
| 09/30207853 DC : 0 | BS EN 12405-2 - GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION |
| 14/30296490 DC : 0 | BS EN 16723-2 - NATURAL GAS AND BIOMETHANE FOR USE IN TRANSPORT AND BIOMETHANE FOR INJECTION IN THE NATURAL GAS NETWORK - PART 2: AUTOMOTIVE FUEL SPECIFICATIONS |
| 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 EN 12405-2:2012 | Gas meters. Conversion devices Energy conversion |
| I.S. EN 12405-2:2012 | GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION |
| 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 |
| EN 12405-2:2012 | Gas meters - Conversion devices - Part 2: Energy conversion |
| 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 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 |
| I.S. EN 16726:2015 | GAS INFRASTRUCTURE - QUALITY OF GAS - GROUP H |
| UNI EN 12405-2 : 2012 | GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION |
| BS EN 16726 : 2015 | GAS INFRASTRUCTURE - QUALITY OF GAS - GROUP H |
| 14/30296487 DC : 0 | BS EN 16723-1 - NATURAL GAS AND BIOMETHANE FOR USE IN TRANSPORT AND BIOMETHANE FOR INJECTION IN THE NATURAL GAS NETWORK - PART 1: SPECIFICATIONS FOR BIOMETHANE FOR INJECTION IN THE NATURAL GAS NETWORK |
| DIN EN 16726 E : 2016 | GAS INFRASTRUCTURE - QUALITY OF GAS - GROUP H |
| 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 |
| DIN EN 16726:2016-04 | GAS INFRASTRUCTURE - QUALITY OF GAS - GROUP H |
| 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 |
| 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 16726:2015 | Gas infrastructure - Quality of gas - Group H |
| DIN EN 12405-2:2012-10 | GAS METERS - CONVERSION DEVICES - PART 2: ENERGY CONVERSION |
| UNE-EN 12405-2:2013 | Gas meters - Conversion devices - Part 2: Energy conversion |
| UNE-EN 16726:2016 | Gas infrastructure - Quality of gas - Group H |
| 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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