ANALYSIS OF NATURAL GAS - VALIDATION METHODS FOR GASEOUS REFERENCE MATERIALS

Published date

01-01-2007

Publisher

Foreword
1 Scope
2 Normative references
3 Development of the validation methods
4 Results of the VAMGAS project
Annex A (informative) - Report on the validation
methods for gaseous reference materials
Bibliography

Specifies the validation of the calorific value and density calculated from current practice natural gas analysis by statistical comparison with values obtained by measurement using a reference calorimeter and a density balance.

DevelopmentNote	Issue date: 21/05/2011. (06/2011)
DocumentType	Standard
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
ISO/TR 24094:2006	Identical
CEN ISO/TR 24094:2007	Identical

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 6976:2016	Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition
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 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 6142:2001	Gas analysis Preparation of calibration gas mixtures Gravimetric method
ISO 9001:2015	Quality management systems — Requirements
ISO 6974-1:2012	Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition
ISO 6974-5:2014	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/IEC Guide 98-3:2008	Uncertainty of measurement — Part 3: Guide to the expression of uncertainty in measurement (GUM:1995)