多维气相色谱在炼厂气分析中的应用与发展

The Application and Development of Multidimensional Gas Chromatography in Refinery Gas Analysis

介绍了气相色谱的工作原理以及气相色谱系统在炼厂气分析中的应用与发展。探讨了多维气相色谱分析技术检测炼厂气的方法。考察了阀切换时间,柱温,检测器灵敏度的选择对实验结果的影响,并确定了最佳实验条件;该方法具有很好的精密度,单次样品分析周期为42 min。由此可见,采用多维气相色谱分析技术,可以快速、准确地测定炼厂气的各种组分。

Introduces the principle of gas chromatography and the application and development in refinery gas analysis.Discusses the detection of refinery gas with the multidimensional gas chrom-atography.Investigates the influence of switch time.Column temperature.Detector sensitivity and determines the best experimental conditions.This method has a very good precision with 42 min analysis cycle.Thus it can be seen that using multidimensional gas chromatographic analysis technique can be determined the refinery gas various components rapidly and accurately