Gas chromatography has become an important analytical method in petroleum chemical industry and plays a significant role in the research of volatile and semi-volatile components.It is of great importance for both routine applications and research.The gas chromatography column is the core of gas chromatography.Selecting an appropriate chromatography column can improve chromatographic separation results and rapidly increase experimental efficiency.This article describes the basic principles of chromatographic separation from multiple perspectives such as stationary phase,inner diameter of the column,film thickness,column length,and phase ratio(β),and introduces the relevant concepts of selecting capillary chromatographic columns for reference by relevant experimenters.
gas chromatographic columngas chromatographic analysisselection of capillary columnstationary phase
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