Evaluation of the properties of “apiezon” greases as stationary phases in gas-liquid chromatography

Add time:08/19/2019    Source:sciencedirect.com

The gas chromatographic behaviour of the widely used “Apiezon” stationary phases was evaluated, taking into account several parameters. Paraffins and other homologous series were analysed at temperatures ranging from 50° to 300°, on Apiezon L, M and N, at liquid phase concentrations ranging from 2.5 to 20%, and a carrier gas flow rate from 20 to 40 ml/min. Linear retention plots were obtained, and characteristic parameters for all the homologous series, phase concentration and temperature were calculated. The use of these parameters will permit the identification of many compounds without the use of standard samples.

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