稀土与缬氨酸配合稳定常数的测定

The Stability Constants of RE(Ⅲ)Complexes with Valine

本文运用ｐＨ电位滴定技术，结合两种不同的数据处理方法，系统地测定了２９８Ｋ和３１０Ｋ及０．１（ＮａＣ１Ｏ４）离子强度条件下，十五种稀土元素（钜除外的镧系元素及钇）与缬氨酸配合物的稳定常数。目的旨在为稀土──氨基酸数据库建立提供参数。

In this paper,using the potentiometric method and two different computer programs,we have studied the stability of Valine coordination compounds of 15RE elements (including Y,but excluding Pm),and computed their complex constants at 298 K and 310 K. These may provide reference for establishing data base of RE-Val.