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Standard potential of T1/T1+222 electrode and stability of T1+222 cryptate in aprotic media

✍ Scribed by Andrzej Lewandowski


Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
256 KB
Volume
38
Category
Article
ISSN
0013-4686

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✦ Synopsis


The standard potential, go, of the Tl/Tl' and Tl/Tl'222 electrodes (T1+222 is the cryptate formed between a Tl+ cation and cryptand 222) has been measured in dimethylsulphoxide, N,Ndimethylacetamide, N,N-dimethylformamide, acetonitrile, acetone, sulpholane and propylene carbonate. It has been shown that while the value of E"(Tl/Il') depends strongly upon the solvent, the E0(Tl/Tl+222) is approximately independent of the solvents. The stability constants for the ll+222 cryptate and free energies of Tl' transfer between the solvents have been calculated from E"(Tl/Tl') and E"(T1/"'f1'222) values.


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