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Docta Complutense
Article . 1990
Data sources: Docta Complutense
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Crecimiento de cristales de celestina en gel de sílice. Transferencia de masa y criterios de cristalización

Authors: Fernández Díaz, María Lourdes; Zavala, Carmen; San Miguel, Ángeles; López De Andrés, María Sol; Prieto Rubio, Manuel;

Crecimiento de cristales de celestina en gel de sílice. Transferencia de masa y criterios de cristalización

Abstract

En el presente trabajo se analiza la cristalización de Celestina (SrSO,) mediante la técnica del gel de Sílice. El dispositivo experimental consistió en un sistema doble de difusión-reacción. Los reactivos empleados fueron SrCL, y N%S04 (0.5.0.3 y 0.1M. en ambos casos). La testificación experimental de la transferencia de masa y de la evolución del pH en el gel sirvió de vehículo para establecer unos "criterios de cristalización" que. unidos a la sobresaturación, han permitido justificar la posición del primer precipitado. Asimismo, se ha estudiado la influencia de la sobresaturación y de la velocidad de sobresaturación en la morfologíade crecimiento de los cristales de Celestina. El caracter de sistema abierto de la técnica empleada da lugar a que las condiciones de cristalización se modifiquen a lo largo del tiempo y del espacio. Dicha evolución queda reflejada en diferentes estadios morfológicos que se han interpretado de acuerdo con las características fisicoquímicas del medio.

Country
Spain
Related Organizations
Keywords

548.52, Cristalografía (Geología), Morfología de crecimiento, Growth morphology, Celestine Crystal Growth in gels, Crecimiento de cristales en geles, Celestina

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green