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ON ABSORPTION SPECTRA OF CoCl2/ACETONE SYSTEMS

G. Stanescu1, Ath. Trutia1,*

Affiliation

  1. Bucharest University, Faculty of Physics, POB MG-11, Bucharest, Magurele 077125, Romania

Abstract

The absorption spectra of CoCl2/acetone systems were measured and analysed. Adding LiCl to the CoCl2/acetone solutions forced a stepwise formation of higher, negatively charged, chloro-Co-systems. The second derivative method was used to reveal the elemental absorption band positions of these tetrahedral and tetrahedral-like Co-complexes. A computer simulated experiment was performed to study the method’s limitations. A doubt is raised concerning the accuracy of some literature data..

Keywords

UV-VIS spectroscopy, Tetrahedral Co-complexes, Band peak detection.

Submitted at: March 9, 2005
Accepted at: March 23, 2005

Citation

G. Stanescu, Ath. Trutia, ON ABSORPTION SPECTRA OF CoCl2/ACETONE SYSTEMS, Journal of Optoelectronics and Advanced Materials Vol. 7, Iss. 2, pp. 1009-1015 (2005)