A Simple Approach to the Interlaboratory Transfer of Drug Retention Indices Determined by Temperature Programmed Capillary Gas Chromatography

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Abstract
Regression analysis of drug retention index (rI) data common to three independent published data bases, and an “in-house” data base, showed excellent interlaboratory correlations for rIs determined by temperature programmed capillary gas chromatography using nonpolar fused silica columns. Satisfactory interlaboratory transfer of rI data was shown to be feasible if appropriate linear regression equations were used to convert published rI data to corresponding in-house data.