Thermal Analysis Studies on Hydroxobridged Homo and Hetero Trinuclear Cobalt(III) Complexes

被引:0
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作者
K. V. P. M. Shafi
D. N. Sathyanarayana
机构
[1] Indian Institute of Science,Department of Inorganic & Physical Chemistry
关键词
complexes; hydroxobridged; TG-DTA; trinuclear complexes;
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摘要
The synthesis and thermal analysis studies of several hydroxobridged homo and hetero trinuclear cobalt(III) complexes are reported. The complexes are of the type [M(H2O)x{(OH)2Co(en)2}2](SO4)2nH2O and [M(H2O)x{(OH)2Co(NH3)4}2](SO4)2nH2O where en denotes ethylenediamine and M =Co(II), Ni(II), Cu(II) and Zn(II) with x=0 for Cu(II), and 2 for other metal ions, and n =3, 4 or 5. The TG and DTA studies of these compounds show that one or more intermediate compounds are formed in each case before the metal oxides are produced.
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页码:567 / 574
页数:7
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