Thermoanalytical (TG-DTA-DTG) investigations of uranium (VI) and thorium (IV) complexes of o-hydroxy N, N′-dimethylbenzylamine in static air atmosphere
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Samina Khan
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.
© Oldenbourg Wissenschaftsverlag
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Artikel in diesem Heft
- Experimental study of excitation functions of some proton induced reactions on natTi for beam monitoring purposes
- AMS analysis of 36Cl induced in concrete of accelerator facilities
- Ion exchange studies for the removal of plutonium and americium from organic liquid scintillator waste solution
- The interaction of Desulfovibrio äspöensis DSM 10631T with plutonium
- Uranium(VI) sorption onto kaolinite in the presence and absence of humic acid
- Surface complexation modelling of uranyl adsorption onto kaolinite based clay minerals using FITEQL 3.2
- Complex formation of U(VI) with the amino acid L-threonine and the corresponding phosphate ester O-phospho-L-threonine
- Thermoanalytical (TG-DTA-DTG) investigations of uranium (VI) and thorium (IV) complexes of o-hydroxy N, N′-dimethylbenzylamine in static air atmosphere
- Studies on protonation and Th(IV) complexation behaviour of dihydroxybenzenes in aqueous 1 M NaClO4 medium
- Development of [103Pd]-labeled-bis(N4-methylthiosemicarbazone) complexes as possible therapeutic agents
- Potential of Broussonetia papyrifera leaves as biomonitors for atmospheric pollution: use of INAA and AAS techniques
- Appreciation to Referees
