Abstract
We have developed a differential signal detection system for the analysis of liquid chromatographic signals using two or more detectors and a differential amplifier circuit. The proposed detection system is an improvement on conventional chromatography in which signals are detected by means of a single detector. The differential signal detection system eliminates difficulties of isolating minor components of the signal which are masked by the major component, as well as difficulties of separating two components of the signal having similar retention times.
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