NATURAL GAS - DETERMINATION OF COMPOSITION AND ASSOCIATED UNCERTAINTY BY GAS CHROMATOGRAPHY - PART 2: UNCERTAINTY CALCULATIONS (ISO 6974-2:2012)

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 Calculation of uncertainty
Annex A (informative) - Calculation of processed component
        uncertainties for the methane-by-difference approach
Annex B (normative) - Uncertainties of relative response
        factors
Annex C (informative) - Alternative calculation of the
        uncertainty of the value of the unknown
Bibliography

Defines 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.

DocumentType	Standard
Pages	24
PublisherName	German Institute for Standardisation (Deutsches Institut für Normung)
Status	Current

Standards	Relationship
UNE-EN ISO 6974-2:2013	Identical
NF EN ISO 6974-2 : 2012	Identical
ISO 6974-2:2012	Identical
NBN EN ISO 6974-2 : 2012	Identical
NEN EN ISO 6974-2 : 2012	Identical
NS EN ISO 6974-2 : 2012	Identical
I.S. EN ISO 6974-2:2012	Identical
SN EN ISO 6974-2:2012	Identical
UNI EN ISO 6974-2 : 2012	Identical
BS EN ISO 6974-2:2012	Identical
EN ISO 6974-2:2012	Identical

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 10723:2013-04	NATURAL GAS - PERFORMANCE EVALUATION FOR ANALYTICAL SYSTEMS (ISO 10723:2012)
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 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)
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 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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DIN EN ISO 6974-2 E : 2012

Current

Table of Contents

Abstract

General Product Information

International Equivalents

Standards Referenced By This Book

Standards Referencing This Book

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