本文报导用分光光度法研究镧系元素铈与间乙酰基偶氮氮膦配合物的吸收光谱、组成,及其β型配合物形成反应的动力学性能,测定其α型配合物的积累稳定常数。进一步研究了其它镧系元素与 CAPmA配合物的热力学稳定性,及其β型反应动力学行为,获得了一定规律性。 In this paper, the absorption spectra, composition, and the kinetic properties of the formation of β-form complexes of lanthanide cerium with meta-acetyl-azobisphosphine were studied spectrophotometrically. The accumulation stability constants of α-form complexes . The thermodynamic stability of other lanthanide complexes with CAPmA and their β-type reaction kinetics were also studied. Some regularities were obtained.