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7856149 
Journal Article 
Synthesis and absorption properties of some new azo-metal chelates and their ligands 
Song, HF; Chen, KC; Wu, DQ; Tian, H 
2004 
Yes 
Dyes and Pigments
ISSN: 0143-7208
EISSN: 1873-3743 
ELSEVIER SCI LTD 
OXFORD 
60 
2 
111-119 
English 
WOS:000188998500003 
Some new azo-metal chelates were synthesized using different diazo components, coupling components and metal ions. Their structures were confirmed by IR spectra, MS spectra and UV-Vis spectra. Their solubility in 4-hydroxy-4-methyl-2-pentanone and absorption properties of film were measured. The influence on the difference of absorption maximum from azo-metal chelates to their ligands by diazo components, coupling components and metal ions was studied. © 2003 Elsevier Ltd. All rights reserved. 
azo-metal chelate; ligand; absorption spectra; synthesis