Abstract
The retention behaviour of some polynuclear hydrocarbons on cadmium chloride columns modified with Carbowaxes was studied and was found to be independent of the chain length of the glycol. This behaviour was not observed with other metal salts and liquid stationary phases. The sharp maxima in the absolute retention of phenanthrene and anthracene at a 4% salt coating level are surprising. Polynuclear hydrocarbons show both positive and negative retardation. Electron repulsion and slow interfacial mass transport in the micropores dictate the retention behaviour of the stationary phase.
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