Surface complex formation at the adsorption of Cu2+ ions and 2,2'-bipyridine onto highly disperse silica

• Date: 2001
• Main Authors: Vlasova, N. N., Schlapfer, C. -W., Golovkova, L. P., Svezhentsova, A. A., Chuiko, A. A.
• Format: Article
• Language: English
• Published: Chuiko Institute of Surface Chemistry National Academy of Sciences of Ukraine 2001
• Online Access: https://surfacezbir.com.ua/index.php/surface/article/view/54
• Journal Title: Surface

The enhanced adsorption of copper ions onto silica surface from the solution containing 2,2'-bipyridine is explained by ternary surface complex formation. The equilibrium reaction constants of binary and ternary complexes have been calculated using constant capacitance model. The potentiometric...