Method for gas chromatography analysis and maintenance using response factors

摘要

The invention provides a method of analysing gas chromatography data. Response factor data for each of a plurality of compounds contained in one or more calibration gas samples is acquired from a gas chromatograph apparatus, and a correlation with molecular weight data for each of the plurality of compounds is determined. The correlation can be analysed to determine a condition of the gas chromatograph. Preferred embodiments determine a correlation for each of a plurality of operating phases of the gas chromatograph, for example before and after actuation of valves which change the flow rate. Methods of diagnosing faults, calibrating and configuring gas chromatographs are also described.