35-1/Guillaume.../Prediction of Retention Times...

Published: Journal of Chromatographic Science, Volume 35, Number 1, January 1997, pp. 14–18.

Prediction of Retention Times, Column Efficiency, and Resolution in Isothermal and Temperature-Programmed Gas Chromatography: Application for GC Separation of Four Psoralens
Y. Guillaume and C. Guinchard

A chemometric methodology is proposed to study the retention time, height equivalent to a theoretical plate, and separation of four psoralens in both isothermal and temperature-programmed gas chromatography. In temperature-programmed conditions, 18 experiments are found to be necessary, instead of nine in isothermal conditions. The differences between the predicted and the experimental results are less than 9%. Satisfactory separation of four psoralens in temperature-programmed conditions is carried out with an analysis time of 7 min.

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