NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 1: GENERAL GUIDELINES AND CALCULATION OF COMPOSITION (ISO 6974-1:2012)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2012

Publisher

German Institute for Standardisation (Deutsches Institut für Normung)

National foreword
National Annex NA (informative) - Bibliography
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.

DocumentType	Standard
Pages	49
PublisherName	German Institute for Standardisation (Deutsches Institut für Normung)
Status	Current

Standards	Relationship
UNE-EN ISO 6974-1:2013	Identical
NF EN ISO 6974-1 : 2012	Identical
ISO 6974-1:2012	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
SN EN ISO 6974-1 : 2012 CORR 2013	Identical
UNI EN ISO 6974-1 : 2012	Identical
BS EN ISO 6974-1:2012	Identical
EN ISO 6974-1:2012/AC:2012	Identical

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
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
DIN EN ISO 6974-2 E : 2012	NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 2: UNCERTAINTY CALCULATIONS (ISO 6974-2:2012)
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 ISO 10723:2013-04	NATURAL GAS - PERFORMANCE EVALUATION FOR ANALYTICAL SYSTEMS (ISO 10723:2012)
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
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 6974-6:2005-08	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 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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DIN EN ISO 6974-1 E : 2012

Current

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referenced By This Book

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