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EN ISO 18453:2005

Current

Current

The latest, up-to-date edition.

Natural gas - Correlation between water content and water dew point (ISO 18453:2004)

Published date

02-11-2005

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Foreword
Introduction
1 Scope
2 Terms and definitions
3 Development of the correlation
4 Range of application and uncertainty of the correlation
5 Correlation
Annex A (normative) Thermodynamic principles
Annex B (informative) Traceability
Annex C (informative) Examples of calculations
Annex D (informative) Subscripts, symbols, units,
        conversion factors and abbreviations
Bibliography

ISO 18453:2004 specifies a method to provide users with a reliable mathematical relationship between water content and water dew point in natural gas when one of the two is known. The calculation method, developed by GERG; is applicable to both the calculation of the water content and the water dew point.ISO 18453:2004 gives the uncertainty for the correlation but makes no attempt to quantify the measurement uncertainties.

Committee
CEN/TC 238
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Current

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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 6976:2016 Natural gas — Calculation of calorific values, density, relative density and Wobbe indices from composition
ISO 6327:1981 Gas analysis — Determination of the water dew point of natural gas — Cooled surface condensation hygrometers
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 6975:1997 Natural gas — Extended analysis — Gas-chromatographic method
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 10101-1:1993 Natural gas — Determination of water by the Karl Fischer method — Part 1: Introduction
ISO 13686:2013 Natural gas Quality designation
ISO 14532:2014 Natural gas — Vocabulary
ISO Guide 30:2015 Reference materials — Selected terms and definitions
ISO 10101-2:1993 Natural gas — Determination of water by the Karl Fischer method — Part 2: Titration procedure
ISO 13443:1996 Natural gas Standard reference conditions
ISO 10101-3:1993 Natural gas — Determination of water by the Karl Fischer method — Part 3: Coulometric procedure
ISO 11541:1997 Natural gas Determination of water content at high pressure
ISO 6568:1981 Natural gas — Simple analysis by gas chromatography
ISO 6974-1:2012 Natural gas — Determination of composition and associated uncertainty by gas chromatography — Part 1: General guidelines and calculation of composition
ISO 7504:2015 Gas analysis Vocabulary
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 3534-1:2006 Statistics — Vocabulary and symbols — Part 1: General statistical terms and terms used in probability

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