You are here: Home :: Area NEM :: Chemistry :: Physical chemistry

Samina Khan, Chaudhary Jamil Anwar, M. Arshad, Khalid Masud

Thermoanalytical (TG-DTA-DTG) investigations of uranium (VI) and thorium (IV) complexes of o-hydroxy N, N^′-dimethylbenzylamine in static air atmosphere

Keywords: o-hydroxy N, N´-dimethylbenzylamine, Uranium complexes, Thorium complex, Characterization, TG-DTA-DTG study

Differential thermal and thermogravimetric analyses of actinide metal o-hydroxy N,N^′-dimethylbenzylamine complexes of the formulae, [LMO₂X₂], [LMO₂SO₄] and [LTh(NO₃)₄], where M = U, L= o-C₆H₄OHCH₂N(CH₃)₂ and X = Cl₂, NO₃^- have been carried out to explore their degradation patterns. The evolved products were identified on the basis of loss in weight on TG coupled with DTA curves. The thermal decomposition of these complexes occurred with the loss of inorganic and organic fragments and exhibited almost similar mode of degradation with minor differences. The composition of the intermediates formed during degradation was confirmed by microanalysis and IR spectroscopy. The residues, after heating above 545 °C, corresponded to metal oxides. Degradation mechanisms of these complexes have also been proposed.

Radiochimica Acta, Oldenbourg Wissenschaftsverlag

Print ISSN: 0033-8230
Volume: 94, 12/2006
Pages: 853 - 858

Show full article (external site)

Show all available items of this journal

 

Area NEM