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Electromigration of Carrier-Free Radionuclides. 6. Iodide and Bromide Complexes of Carrier-Free201Tl(I) in Aqueous Solutions

 

作者: F. Rösch,   Tran Kim Hung,   M. Milanov,   V. A. Khalkin,  

 

期刊: Isotopenpraxis Isotopes in Environmental and Health Studies  （Taylor Available online 1988）
卷期: Volume 24, issue 10  

页码: 383-386

 

ISSN:0021-1915

 

年代: 1988

 

DOI:10.1080/10256018808624004

 

出版商: Taylor & Francis Group

 

关键词: electrophoresis;ion mobility;thallium 201;thallium bromides;thallium iodides

 

数据来源: Taylor

 

摘要:

Individual ion mobility of201Tl(I)= +7.3 (3) X 10−4cm3s−1V−1was observed at 298.1 ± 0.1 K in aqueous solutions of H(K)ClO4, 1.5 · 10−3≦ μ ≦ 0.5 and 0.3 ≦ pH ≦ 6.5. Experimental dependences of201Tl(I) overall ion mobilities on concentrations of ligand anions in solutions of perchlorate background electrolytes have been used to calculate stability constants of neutral thallium complexes Tl I and Tl Br at 298.1 ± 0.1 K and μ = 0.1. They are 115 ± 25 l · mol−1, and 5.25 ± 0.35 l · mol−1respectively.

 

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