Abstract
Frequently used stationary phases [hydrocarbon, highly fluorinated, poly(siloxane), ethers and esters, and poly(ethylene glycol)] and supports [diatomaceous earths, fluorocarbon powders, and glass beads] for the preparation of packed columns for gas chromatography are described. Classification methods are discussed for stationary-phase selection with an emphasis on the solvation parameter model. The basic theory of band broadening and its effect on column design and the contribution of interfacial adsorption to the general retention mechanism are outlined. Common adsorbents for gas–solid chromatography [inorganic oxides, carbon, molecular sieves, and porous organic polymers] and their typical applications are discussed. The chapter contains all the material required to select, prepare, and characterize packed columns for gas chromatography together with the theory required to understand band broadening and retention.
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