On the Interfacial Potential Differences for the Extraction of Alkaline- Earth Metal Picrates by 18-Crown-6 Ether Derivatives into Nitrobenzene

Yoshihiro Kudo^* and Tomoyo Takeuchi

Graduate School of Science, Chiba University, 1-33 Yayoi-cho Inage-ku, Chiba 263-8522, Japan, E-mail: tomoyotak@cb.jp.edu.com

^*Corresponding Author: Yoshihiro Kudo, Graduate School of Science, Chiba University, 1-33 Yayoi-cho Inage-ku, Chiba 263-8522, Japan, Tel: +81432902786 Email: