| Abstrakt: |
The Cu2+electrode function is studied for glasses in the systems Ge–As–Te, Cu–Ge–Te, Cu–As–Se, Cu–As–Te, Tl–Ge–Te, and Tl–As–Te. The selectivity of this electrode function in the presence of Fe2+and Fe3+ions is estimated. It is found that the Cu2+and Fe3+electrode functions are exhibited by membranes based on glasses initially containing no copper and iron. A systematic evaluation of this phenomenon is performed for the first time by the example of chalcogenide systems. The results obtained are explained in terms of the corrosion mechanism of the potential generation. [ABSTRACT FROM AUTHOR] |
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