采用硫化学发光检测器测定石油苯中痕量噻吩

Determination of trace thiophene in petroleum benzene by sulfur chemiluminescence detector (SCD)

关键词:  噻吩 硫化学发光检测器 SCD 外标法 痕量 石油苯

Key words:  thiophene, sulfur chemiluminescence detector, SCD, external standard method, trace, petroleum benzene

摘要:

使用气相色谱法，硫化学发光检测器（SCD）及外标法定量，对石油苯中痕量噻吩进行测定。确定了燃烧器操作温度、气体流速等检测器条件，对干扰找到了解决的办法。与其他检测方法相比较，具有操作简单、检测快速、灵敏度高、检测限低、干扰少、测定结果重复性好等优点，分析结果更加准确可靠

Abstract:

This article describes a method for determination of trace thiophene in petroleum benzene using gas chromatography with sulfur chemiluminescence detector (SCD) and external standard quantification．The operating temperature of burner and gas flow rate are determined，and solutions of anti-interference are found．Compared with other detection methods, this method has the advantages of simple operation, rapid detection, high sensitivity, low detection limit, less interference, good repeatability, more accurate and reliable analysis results