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Abstract

Reciprocal sulphate-halide liquid salt mixtures have been
investigated using transpiration vapour pressure measurements.
Liass spectrometric methods have also been used to investigate the
binary halide mixtures in the vapour phase. Where possible the
applicability of theory to the prediction of the thermodynamic
properties of these systems has been studied.
An activity study of the liquid reciprocal salt system:
ZnC12 + Na2 SO 4 = ZNSO4 + 2 NaC1
has been carried out. Behaviour in this system is quite complex;
the best fit to the data is made with the Conformal Ionic Solution
Theory which contains terms involving (1) the free energy change
for the above exchange reaction (2) binary type interaction terms
and (3) ternary excess terms. This theory has also been found to
fit some lead sulphate-alkali halide mixtures.
Vapour phase mixtures PbEr 2-MBr, ZnC12-MC1, (M = Na, K, Rb, Cs)
were found to contain complex species of the type MAX 3 . Possible
structures of these:, species were estimated with the aid of Extended
Huckel, rlolecular Orbital calculations. Conclusions concerning the
formation of vapour phase complexes are drawn from available
information.

Item Type:	Thesis - PhD
Authors/Creators:	Anthony, RG
Keywords:	Fused salts
Copyright Holders:	The Author
Copyright Information:	Copyright 1970 the Author - The University is continuing to endeavour to trace the copyright owner(s) and in the meantime this item has been reproduced here in good faith. We would be pleased to hear from the copyright owner(s).
Additional Information:	Thesis (Ph.D.) - University of Tasmania, 1970. Bibliography: p. 188-202
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