Some Quantitative Aspects of Scanning Densitometry in High-Performance Liquid Chromatography

Abstract
The optimization of instrumental parameters that influence resolution and signal-to-noise ratios in the recording of thinlayer chromatograms by scanning densitometry are discussed. A standardized method of determining sensitivity and detectability is proposed and used to evaluate the performance of a Shimadzu CS-910 scanning densitometer. Fluorescence enhancement reagents are discussed as a method of improving sample detectability in the fluorescence mode. The influence of the sorbent medium on both the position and intensity of the fluorescence emission signal is discussed.