摘要
本文报道了三种芳基异羟肟酸——苯基异羟肟酸(BHA)、邻羟基苯基异羟肟酸(SHA)和对羟基苯基异羟肟酸(PHOBHA)与Y(Ⅲ)的配合稳定常数。其稳定顺序为:Y(SHA)_3>Y(PHOBHA)_3>(YBHA)_3。通过对元素分析和磁化率、红外、紫外的测定探讨了配合物的结构与组成。此外还研究了异羟肟酸萃取Y(Ⅲ)的最佳酸度和平衡时间等。
It was reperted that the complexiug staciljty constant of three aromaatichydroxamic acids--benzohydroxamic acid (BHA), salicylhydroxamic acid(SHA) and p-hydroxy bengohydroxamic acid (PHOBHA ) with Y (Ⅲ). The orer of stabilities of the complexes was Y (SHA)_3>Y(PHOBHA)_3>Y(BHA)_3. The structure and composition of the complexes were studied byelemental analysis, mmaetic susceptidilities IR aud UV spectrophotometricdetermination. The equilibrium time and optimum PH for the extraction ofY(Ⅲ) with BHA were also investigated.
关键词
芳香族
异羟肟酸
配合物
稳定常数
hydroxamic acid, Yttrium complexing stablity constant, determinatiin of structure, extraction
