Thermal differential diagnosis of mica mineral group |
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Authors: | J. Schomburg H. Zwahr |
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Affiliation: | (1) DURTEC-Ingenieur-, Beratungs- und Laborgesellschaft mbH, Ihlenfelder Str. 153, Neubrandenburg, Germany |
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Abstract: | The following criteria can be used for differential diagnosis of mica mineral group: weight loss < 350°C; weight loss during dehydroxylation (500–1000°C); peak temperature of structural decomposition and formation of high temperature phases; course of dilatometric curves during dehydroxylation and structural decomposition interval (Fig. 1).Using the single criteria by stepwise comparing a complete thermal differentiation is possible between the members of mica mineral group.Dedicated to Dr. Robert Mackenzie on the occasion of his 75th birthday |
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Keywords: | dilatometry DTA mica TG thermal transformation |
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