摘要
本文用平衡移动法和直线法测得Ａｌ：ＣＡＳ的配位比为１：２，用等摩尔连续变化法测定Ａｌ：ＣＰＢ的配位比为１：４，因此配合物的组成比Ａｌ：ＣＡＳ：ＣＰＢ为１：２：４，用电泳和离子交换实验证明了Ａｌ—ＣＡＳ—ＣＰＢ为配阴离子，最后根据铝和ＣＡＳ在最佳ｐＨ值的存在形态、配合物的组成比及配阴离子的性质，确定此配合物结构为.
The results of electrophoresis and ion exchange of the present systemshowed that Al-CAS-CPB complex was an anion at the optimum color developingconditions i.e. at pH6, Al=2. 96× 10￣-6)mol·L￣(-1), CAS=8×10￣(-6)mol·L￣(-1), and CPB=9×10￣(-5)mol·L￣(-1).A molar ratio of 1 : 2 for Al to CAS in the ternary complex wasdetermined by the equilibrium shift method and Asmus’s method, whereas the malarratio for Al to CPB is formed to be 1 : 4, as determined by Job’s method. Thecomposition of the complex was establishedas being 1 : 2 : 4(Al : CAS : CPB). Thestructure of ternary complex was inferred as the struature shown.
出处
《辽宁大学学报（自然科学版）》
CAS
1995年第3期11-15,共5页
Journal of Liaoning University：Natural Sciences Edition
