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Reports, Presentations & Papers


"Three Steps to accurate gas Metering Heaven" published in Gas International
Bob Thomson's article Three Steps to accurate gas metering heaven was published in the January / February 2013 edition of Gas International. The article identifies the three key areas to focus on when minimising uncertainties in gas measurement.

Analytical requirements for Hydrocarbon Dewpoint calculation
Analytical requirements for Hydrocarbon Dewpoint calculation
Analytical requirements for Hydrocarbon Dewpoint calculation - Hydrocarbon dewpoint is an important characteristic of natural gas in respect of pipeline operation and critical for fuelling of gas turbines.

Assessing the UK’s gas quality
measurement infrastructure
Assessing the UK’s gas quality measurement infrastructure
Historically, the UK’s gas quality measurement infrastructure has been designed and installed to measure North Sea natural gas. New gas supplies entering the UK, particularly those from liquefied natural gas (LNG) sources are dramatically changing the dynamics within the national gas network.

Comparison methods for the measurement of hydrocarbon dewpoint of natural gas – DTI funded project
Comparison methods for the measurement of hydrocarbon dewpoint of natural gas – DTI funded project
This report summarises the results of a study undertaken to compare the performance of direct and indirect methods for determining the hydrocarbon dew point of a wide range of real and synthetic natural gases. The results obtained from six analytical methods (one nautomatic chilled mirror instrument, one manual chilled mirror instrument, two laboratory gas chromatographs and two process gas chromatographs) are presented and the comparative results are compared in detail.

EffecTech LNG Journal
EffecTech LNG Journal
UK company outlines details of world’s first facility to produce reference liquids for LNG

Instrument Performance Evaluation according to ISO 10723
Instrument Performance Evaluation according to ISO 10723
One of the most frequently asked questions EffecTech receives is what is the ISO 10723 performance evaluation and why is it necessary? This short technical paper has been prepared to answer these questions and allow potential customers to make an informed decision.

Reducing Uncertainties
Reducing Uncertainties
Reducing uncertainty in process gas quality measurements.

‘Accurate GC measurement of gases with highly adsorptive molecules at low concentration levels’ by Dr Gergely Vargha
‘Accurate GC measurement of gases with highly adsorptive molecules at low concentration levels’ by Dr Gergely Vargha
This presentation, given at GAS2015 by Gergely Vargha, discusses how to minimise the effects of adsorption on GC measurements of gases with highly adsorptive molecules and how the use of the Vargha Valve significantly improves the measurement conditions for highly adsorptive or high boiling point molecules.

‘Development of a dynamic dilution system for the calibration of multi-component emissions gases’ by Dr Gavin Squire
‘Development of a dynamic dilution system for the calibration of multi-component emissions gases’ by Dr Gavin Squire
EffecTech has developed bespoke dynamic calibration system for binary and multi-component emission gas mixtures in response to increasing market needs for higher quality calibration (lower CMCs) and multi-component mixes (lower total cost).

‘Development of cryogenic LNG reference liquids’ by Dr Paul Holland
‘Development of cryogenic LNG reference liquids’ by Dr Paul Holland
This presentation, by Dr Paul Holland, demonstrates that traceable LNG-type mixtures can be prepared and used to validate direct measurement methods.

‘Monitoring your Gas Chromatograph Performance’ by Leon Kashap
‘Monitoring your Gas Chromatograph Performance’ by Leon Kashap
Mis-measurement and financial discrepancies in the measurement of natural gas can be identified and reduced through an ISO 10723 performance evaluation. Periodic re-evaluation is necessary, with the interval dependent on how the instrument performance varies with time and the level of uncertainty required.



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