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.
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Poole et al. (1985) studied this question.
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