Viscosity of potassium trioxalato complexes of Al(III), Fe(III), Co(III), and Cr(III) in aqueous solution between 15° and 35°C

被引:5
作者
Bhuyan, J [1 ]
Dey, NC
Haque, I
机构
[1] Reg Res Lab, Jorhat 785006, Assam, India
[2] Dibrugarh Univ, Dibrugarh, Assam, India
关键词
viscosity; complex ions; trioxalato complexes; temperature dependence; B coefficients;
D O I
10.1023/A:1022674404525
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The viscosity of dilute aqueous solutions of K-3[Al(ox)(3)]. 3H(2)O, K-3[Fe(ox)(3)]. 3H(2)O, K-3[Co(ox)(3)]. 3H(2)O and K-3[Cr(ox)(3)]. 3H(2)O complexes, as well as K-2(ox). H2O, were measured between 15 and 35 degrees C. Those of CoCl2, 6H(2)O, FeCl3, Al-2(SO4)(3). 18H(2)O, and CrCl3. 6H(2)O were measured at 25 degrees C. These data were analyzed by the Jones-Dole equation. The ionic B coefficients of the above complex anions were discussed in terms of ion-solvent interactions and the overall change in Delta B associated with complex formation.
引用
收藏
页码:495 / 505
页数:11
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