Steiger.etal 1996

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Michael Steiger1, Anke Zeunert1:

1. Institut für Anorganische und Angewandte Chemie, Universität Hamburg, Germany Crystallization Properties of Salt Mixtures: Comparison of Experimental Results and Model Calculations. In: 8th INTERNATIONAL CONGRESS ON DETERIORATION AND CONSERVATION OF STONE Berlin, 30. Sept. - 4. Oct. 1996 Volume 1, pp. 535 - 544

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Abstract

A chemical model is used to examine the phase behaviour of salt mixtures. The principal types of phase changes including crystallization/dissolution, hydration/dehydration and the formation and decomposition of double salts are illustrated for simple mixtures of two salts. The model is successfully applied to predict the crystallization properties of a four-component system. It is shown how several possible sequences of salt deposition and phase transformations are induced by changes of the ambient relative humidity. In addition an X-ray diffraction technique is presented which can be used to study the phase behaviour of salts under controlled conditions of temperature and relative humidity.

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Die vollständige Publikation finden sie unter Datei:Steiger 1996 Berlin.pdf

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