Abstract
By the addition of an appropriate strength and concentration of acid which is in acetonitrile—sulfolane (9:1) containing a small amount of tetraethylammonium perchlorate as background electrolyte, weak organic nitrogen bases showed differential migration in high-voltage paper electrophoresis. Dichloro- and trichloro-acetic acids were effective for separating 5,6-benzoquinoline, 7,8-benzoquinoline and 1,10-phenanthroline. The use of potentiometric and spectrophotometric titration data to predict the electrophoretic behavior was very limited due to adsorption of the free bases by paper.
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