Abstract
The chelation behaviour ofbisazo-β-diketone compounds with La, Ce, Nd, Sm, Gd, Er, and Lu ions was investigated. Composition and stability constants of the chelates have been determined by conductometric and potentiometric techniques. Electronic absorption, IR, and1H NMR spectra as well as molar conductance and elemental and thermal analyses were used to characterize the complexes.
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