Chapter 1 The analysis of hydrocarbon gases

Cowper, C.J.

doi:10.1016/s0301-4770(08)61280-4

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Cited by 3 publications

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“…The most prominent is a gas chromatography. Possibility of characterization of gas mixtures for liquids was show in several papers [3,4] as well as a determination of natural gas composition [5]. Other methods are mass spectroscopy [6,7], IR spectroscopy [8] and for heavier hydrocarbons NMR [8].…”

Section: Introductionmentioning

confidence: 99%

Characterization of natural gas by Raman spectroscopy and its application for in-situ measurements

Dąbrowski

Kuczyński

Włodek

et al. 2018

drill

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Section: Introductionmentioning

confidence: 99%

Characterization of natural gas by Raman spectroscopy and its application for in-situ measurements

Dąbrowski

Kuczyński

Włodek

et al. 2018

drill

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Investigation of the Natural Gas Quality in Greece

Vourliotis

Pallis

Kalligeros

et al. 2015

Energy Sources, Part A: Recovery, Utilization, and Environmenta

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Certification of a Multicomponent Reference Material from Natural Gas Mixture by Gravimetry and Dual GC-FID/TCD System

Shehata,

AlAskar,

AlYami

et al. 2023

GSC

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Natural gas (NG) is one of the most important sources of energy for industrial and domestic consumption in the present era because it is cheap and free from sulfur impurities. Therefore, accurate and precise measurement of its composition is of fundamental importance for trade reasons. To improve the quality of NG gas measurements, certified reference materials (CRMs) should be used for calibration of measuring equipment in order to ensure the traceability of the measurement results to the SI units. For the traceability purpose, a multicomponent natural gas mixture was prepared gravimetrically as a reference material according to ISO 6142 from pure helium, hydrogen, n-pentane, i-pentane, n-butane, i-butane, propane, ethane, hexane, methane and nitrogen. The preparation was done in two dilution steps in 5 L aluminum cylinders. The calculated mole fractions and associated uncertainties of natural gas components were verified by a dual GC-FID/TCD system in accordance with ISO 6143 calibrated by a series of primary gas mixtures (CRMs) produced by an NMI. The results obtained by gravimetry and by GC measurements have been checked for compatibility as required by ISO 6142 and were found in very good agreement. Details of the preparation and calculation of the mole fractions and uncertainties of all gas components are explained in this article.

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Chapter 1 The analysis of hydrocarbon gases

Cited by 3 publications

References 12 publications

Characterization of natural gas by Raman spectroscopy and its application for in-situ measurements

Characterization of natural gas by Raman spectroscopy and its application for in-situ measurements

Investigation of the Natural Gas Quality in Greece

Certification of a Multicomponent Reference Material from Natural Gas Mixture by Gravimetry and Dual GC-FID/TCD System

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