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The colour of metal compounds

The colour of metal compounds because these are complementary colours. I believe I do know what the authors are trying to say in this paragraph, but the words they use do not convey anything meaningful. The thought of a student trying to learn from such passages disturbs me. There is an excellent section (pp. 73– 83), where chromaticity coordinates and colors are computer-simulated for six-coordinated Cr(III) and Ni(II) complexes, using eight averaged experimental ligand field parameters and permitting Dq to vary widely. Also, for a single absorption band, the band half-width was varied at three absorption band intensities. When the authors cover the color change of alexandrite with illuminant variation (p. 168), there is regretfully no discussion of how to deal with this in terms of two sets of values of the chromaticity coordinates that are the essence to their approach throughout the book. There are many clear diagrams, most with appropriate reference and/or acknowledgment, but some without, such as Fig. 1-1 taken from one of my own books. There are relevant and well-reproduced color illustrations, but in several instances, e.g., the CoCl2 solutions of Figs. C9 and C10, there is no reference to these in the relevant text, pp. 145–149. And there http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Color Research & Application Wiley

The colour of metal compounds

Color Research & Application , Volume 26 (2) – Apr 1, 2001

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Publisher
Wiley
Copyright
Copyright © 2001 John Wiley & Sons, Inc.
ISSN
0361-2317
eISSN
1520-6378
DOI
10.1002/1520-6378(200104)26:2<173::AID-COL1009>3.0.CO;2-#
Publisher site
See Article on Publisher Site

Abstract

because these are complementary colours. I believe I do know what the authors are trying to say in this paragraph, but the words they use do not convey anything meaningful. The thought of a student trying to learn from such passages disturbs me. There is an excellent section (pp. 73– 83), where chromaticity coordinates and colors are computer-simulated for six-coordinated Cr(III) and Ni(II) complexes, using eight averaged experimental ligand field parameters and permitting Dq to vary widely. Also, for a single absorption band, the band half-width was varied at three absorption band intensities. When the authors cover the color change of alexandrite with illuminant variation (p. 168), there is regretfully no discussion of how to deal with this in terms of two sets of values of the chromaticity coordinates that are the essence to their approach throughout the book. There are many clear diagrams, most with appropriate reference and/or acknowledgment, but some without, such as Fig. 1-1 taken from one of my own books. There are relevant and well-reproduced color illustrations, but in several instances, e.g., the CoCl2 solutions of Figs. C9 and C10, there is no reference to these in the relevant text, pp. 145–149. And there

Journal

Color Research & ApplicationWiley

Published: Apr 1, 2001

There are no references for this article.