Abstract
Abstract On high-resolution wall-coated open tubular glass capillary columns, retention data are realistic criteria for identifying compounds. Two-dimensional plots of Kovats indices measured on two columns of different polarity are particularly useful in this regard. Temperature usually exercises only minor effects on Kovats indices, but because the magnitude and direction vary with the nature of the compound and the liquid phase, temperature shifts may affect the elution order of components of complex mixtures.
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