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The Color of Transition Metal Compounds. II. Solvatochromism of Cobalt (II) Chloride

 

作者: A. Bartecki,   T. Tĺczaĺ,   M. Raczko,  

 

期刊: Spectroscopy Letters  （Taylor Available online 1991）
卷期: Volume 24, issue 4  

页码: 559-575

 

ISSN:0038-7010

 

年代: 1991

 

DOI:10.1080/00387019108018138

 

出版商: Taylor & Francis Group

 

关键词: transition metal compounds;color;electronic spectra;chromaticity coordinates;solvent effect

 

数据来源: Taylor

 

摘要:

Chromaticity colorimetry has been used to the study of Co (II) salts solvatochromism. It has been shown that the change of the color of CoCl2solutions as determined by chromaticity coordinates is due to the change in symmetry of cobalt ions in agreement with spectroscopic and other physicochemical data. Determination of the dominant wavelength or hue-angle makes possible the ranking of solvents according to their ability to form complex ions of particular symmetry.

 

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