Abstract
The thermal decomposition of metal complexes of biacetylmonoxime isonicotinoylhydrazone (H 2BMINH) and 3-isonicotinamido-rhodanine (HINRd) with bivalent nickel, cobalt, copper, cadmium and zinc under an atmosphere of air has been investigated by thermogravimetry (TG), differential thermogravimetry (DTG) and differential thermal analysis (DTA). Stoichiometric calculations from the obtained thermograms strongly confirm that the complexes Co(HBMINH)Ac · 4H 2O, Co(INRd)OH · H 2O, Cd(INRd)OH · 2H 2O and Ni(INRd)OH · 2H 2O decompose through two steps. On the other hand, Ni(BMINH)C 2H 5 OH · 2H 2O, Cu(H 2BMINH)Cl 2-C 2H 5OH and Zn(HINRd)(OH) 2 · H 2O complexes are fully decomposed in one step. These are indicative of the nature of the metal-ligand bonds in the above mentioned complexes. Finally, a stepwise thermal character is developed for the compounds under investigation.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
