Y. Nakatsuji, Toshinori Inoue, M. Wada
Apr 1, 1991
Citations
0
Influential Citations
5
Citations
Journal
Journal of inclusion phenomena and molecular recognition in chemistry
Abstract
A new type of 18-crown-6 derivative having two carboxylic acids on the side arms transported calcium and potassium ions in opposite directions across a dichloromethane membrane by pH control. Calcium and potassium ions were concentrated in the acidic and the basic phases, respectively. The presence of picrate ion in the acidic phase plays an important role in the transport of potassium ion from the acidic to the basic phase.