Citation: Xiao Zheng LAN, Dao Qian ZHU, Qing Hai WANG, Liang Mo ZHOU, Ya Feng GUAN. A Gas Chromatographic Analysis of Light Hydrocarbons on a Column Packed with Modified Silica Gel[J]. Chinese Chemical Letters, ;2000, 11(11): 1019-1022. shu

A Gas Chromatographic Analysis of Light Hydrocarbons on a Column Packed with Modified Silica Gel

Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116012

Received Date: 15 May 2000

A one-meter long column packed with silica gel is used to separate light hydrocarbons. The silica gel has been modified with several kinds of gas chromatography stationary phases. Among these, PEG 2000 shows fairly good effect when using 80-100 meshes silica gel for the separation of mixture of methane, ethane, ethylene, acetylene, propane, propylene and n-, i-butane. The different behavior of silica gel between batch to batch is also found. When silica gel is coated with a small amount of Al₂O₃prepared with sol-gel method, better resolution has been observed on a 2-meter column compared with the non-modified silica gel.
- Gas chromatography,
- light hydrocarbon,
- packed column,
- silica gel,
- modifier
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