Porous layer open-tubular capillary columns: preparations, applications and future directions

摘要: Porous-layer open-tubular (PLOT) columns, first suggested by Golay in the late 1950s, have been developed and commercialized successfully. PLOT columns since become powerful routine tools gas chromatographic analyses of fixed gases, light hydrocarbons volatile solvents. They often replace traditional packed columns. However, there are still many unknowns development applications The future seems less clear. This paper reviews history column its including practical aspects Some speculation is also provided.