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Title: Advances In On-Line Gas Chromatography In The Natural Gas Industry
Author: D. J. Pettigrew
Source: 2000 North Sea Flow Measurement Workshop
Year Published: 2000
Abstract: On line gas chromatography has been used in the natural gas industry for many years, principally as a means of determining composition for calorific value calculation. Advances in such diverse areas as microprocessor electronics and calibration gas preparation now allow the existing chromatograph technology to be utilised for more accurate and sophisticated measurements. Techniques that once could only be implemented in the laboratory can now be routinely used in the field. This paper discusses: Improved accuracy by use of multipoint calibration Potential dual detector applications Determination of hydrocarbon dew-point from on-line analysis

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