The electrochemical behaviour of Ph,TeCl in methylene chloride, containing tetrabutylammonium perchlorate (TBAP), at a platinum electrode has been studied. It is shown that Ph,TeCI is oxidized to Ph,(Cl)TeTePh,(CI) and reduced either in a one electron reaction to Ph3TeTePh, or in a two electron reac
The electrochemistry of organotellurium compounds—II. The electrochemistry of tellurides, diorganyltellurium dichlorides and diperchlorates
✍ Scribed by Y. Liftman; M. Albeck
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 384 KB
- Volume
- 28
- Category
- Article
- ISSN
- 0013-4686
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✦ Synopsis
The electrochemical hchaviour of tellurides. diorganyltellurium dichlorides and diperchlorates in methylene chloride or acctonitrile containing tetrabutylammonium pet-chlorate (TBAP) or lithium perchlorate (LEIO,) has heen studied. Various electrochemical techniques such as linear potential scan, cyclic voltammetry, controlled potential coulometry and a simultaneous coulometry-esr spectroscopy were applied. It was found that the dichlorides and the diperchlorates can he electrochemically reduced lo the corresponding tellurides in an electron-transfer reaction preceding a disproportionation and vice uerso.
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## Prior concentration-cell experiments with carbon electrodes are reviewed, and the ion responsiveness of several carbon electrodes is evaluated in terms of a newly defined selectivity coefficient. The ion selectivity of the carbon electrode and previously observed potential drifts are interrelat