Sulfur compounds in desulfurized liquefied petroleum gas were separated and analyzed by large _ bore capillary gas chromatography with flame ionization detector-double photometric detector as well as GC-MS. 17 kinds of sulfur compounds were identified.

• 利用大口径毛细管色谱柱、不分流进样、氢焰离子化检测器 (FID)、双火焰光度检测器(DFPD) ,与气相色谱 -质谱 (GC -MS)联用技术相结合 ,对脱硫后的液化气进行测定 ,成功地鉴定出17种含硫化合物。