Affiliation:
1. Centro di studio per la termodinamica ed elettrochimica dei sistemi salini fusi e solidi del C. N. R. Institute of Physical Chemistry, University of Pavia (Italy)
Abstract
The kinetics of the solid state reactions
AgI + TiI → AgTlI2 (I)
Agl + AgTl2I3 → 2 AgTlI2 (II)
AgTlI2 + Til → AgTl2I3 (III)
are investigated with reactant pellets by the contact method.
With the aid of inert marker experiments and transport number determinations it was possible to state that the governing mechanism is the cation counter-diffusion in all cases and that the rate determining step is the diffusion of Tl+.
The experimental reaction rate constants agree reasonably with those calculated on the basis of the Wagner's thermodynamic theory.
Subject
Physical and Theoretical Chemistry,General Physics and Astronomy,Mathematical Physics
Cited by
3 articles.
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