Termostabilita bentonitových pojiv Česko - Slovenské provenience
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Gál, Karel
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Vysoká škola báňská - Technická univerzita Ostrava
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Abstract
The thesis is evaluated thermostability of the most widely used bentonite Czech Republic and Slovakia. The comparison results are evaluated and Wyoming bentonite type Portaclay, USA. Thermal stability of bentonite is determined based on the decrease in strength bentonite mixture after ignition of the binder, change the active set of bentonite MM test after heat exposure. The measurement is supplemented by thermal analysis - determining the temperature dehydroxylation, XRF analysis - determining the chemical composition, as well as pH and electrical conductivity.
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Import 05/08/2014
Subject(s)
bentonite binder, thermal stability, decreased strength, methylene blue, thermal analysis, XRF analysis