Variations in the texture profile analysis (TPA) properties of clay/mineral-medicinal water mixtures for pelotherapy: Effect of anion type
Entidad
UAM. Departamento de Geología y GeoquímicaEditor
MDPI AGFecha de edición
2019-03-01Cita
10.3390/min9030144
Minerals 9.3 (2019): 144
ISSN
2075-163XDOI
10.3390/min9030144Versión del editor
https://doi.org/10.3390/min9030144Materias
Adhesiveness; Bentonite; Common clay; Hardness; Instrumental texture; Mineral-medicinal water; Sepiolite; GeologíaDerechos
© 2019 by the authors. Licensee MDPI, Basel, SwitzerlandResumen
A peloid’s liquid phase can be mineral, sea or salt-lake water. This study examines the interactions among three materials, two special clays (bentonite and sepiolite) and one common clay, and three chemically different mineral-medicinal waters. In all clay–water mixtures, the hardness and adhesiveness decreased with the amount of water in the mixture. For a given hardness or adhesiveness, sepiolite retained more water than the other clays, especially in the presence of sulphate-rich mineral-medicinal water (73%). In contrast, the common clay retained the least amount of water (26%), and the bentonite samples returned an intermediate value for the amount of retained water (52–53%). These differences had a strong influence on the thermal behaviour of the mixtures and, hence, should be taken into account for their use in thermotherapy applications. There were no significant differences in the instrumental texture of the clay pastes according to the predominant anion in the mineral-medicinal waters
Lista de ficheros
Google Scholar:Pozo Rodríguez, Manuel
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Armijo, Francisco
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Maraver, Francisco
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Zuluaga, Pilar
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Ejeda, José Manuel
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Corvillo, Iluminada
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