PRINCIPLES AND CAPABILITIES OF ELECTROINJECTION ANALYSIS

Electroinjection analysis, its principles, and its applications are reviewed. The signal-enhancing effect of kinematic focusing is explained, and new results to demonstrate the effect are presented. The potential of electroinjection analysis for investigation of the complex-forming ability of natural samples is illustrated by the reaction of copper and lead with peat samples; the fraction of uncomplexed metal is reacted in the column with EDTA for detection. Reaction kinetic studies with EIA are presented, along with the novel ability to detect reaction intermediates. Electroinjection analysis is compared with flow injection analysis, capillary electrophoresis with precolumn reaction, electrophoretically mediated microanalysis, and affinity capillary electrophoresis.