高等学校化学学报 ›› 1982, Vol. 3 ›› Issue (3): 281.

• 论文 •    下一篇

pH法研究UO2+2与甘氨酰替甘氨酸、白氨酸和四咪噻唑的络合物

章健民1, 章爱铀1, 陈宝姣2, 王文明2   

  1. 1. 徐州稀贵金属研究所;
    2. 内蒙古医学院
  • 收稿日期:1980-12-19 出版日期:1982-08-24 发布日期:1982-08-24

THE STABILITY OF COMPLEX COMPOUNDS FORMED BY GLYCYL GLYCINE, LEUCINE AND 2, 3, 5, 6-TETRAHYDRO-6-PHENYLIMIDAZO (2, 1-b)THIAZOLE WITH URANYLION (Ⅱ)

Zhang Jianmin1, Zhang Aiyou1, Chen Baojiao2, Wang wenming2   

  1. 1. Xuzhou Rare and Noble Metals Institute;
    2. Medical college of Inner-mogolia
  • Received:1980-12-19 Online:1982-08-24 Published:1982-08-24

摘要: 本文应用pH法测定了UO2+2与甘氨酰替甘氨酸、白氨酸和d,l-2,3,5,6-四氢-6-苯基咪唑[2,1-6]噻唑的络合物的逐级稳定常数,分别得出,UO2+2-甘氨酰替甘氨酸体系:β1=5.7×103和β2=1.4×1010;UO2+2-白氨酸体系:β1=4.0×105和β2=1.6×1013,以及UO2+2-d,l-2,3,5,6-四氢-6-苯基咪唑(2,1-6)噻唑体系:β1=6.5×104和β2=2.0×1010(25℃,μ=0.1,KCl维持)。同时,将徐光宪的溶液中络合物吸附平衡理论引入pH法研究络合物稳定常数中。

Abstract: The stability of complex compounds formed by glycyl glycine, leucine and 2,3,5,6-tetrahydro-6-phenylimidazo (2,1-6) thiazole with uranyl ion (II) has been investigated. The stepwise formation constants of these compounds were determined potentiometrically at 25℃ in aqueous solution in presence of 0.1 Mpotassium chloride.The adsorption theory of complex equilibria in solution which has been proposed by Hsu Kwang-hsien[4] , was introduced in treatment of the data determined by pH method.

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