Browsing ELibrary by Subject "Vermiculite"

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EFFECT OF THE SI/AL ORDERING ON STRUCTURAL PARAMETERS AND THE ENERGETIC STABILIZATION OF VERMICULITES - A THEORETICAL STUDY

Tunega D.; Lischka H. (2003)

The effect of the Si/Al distribution in the tetrahedral sheets of the vermiculite mineral has been investigated employing density functional theory. The structures of six models for vermiculite with the structural formula ...
EMANATION THERMAL ANALYSIS OF NATURAL AND CHEMICALLY-MODIFIED VERMICULITE

Poyato J.; Pérez-Maqueda L.A.; Justo A.; Balek V. (2002)

Emanation thermal analysis (ETA), based on radon release measurements from previously labeled samples, was used for the first time in the characterization of the thermal behavior of natural Mg2+-vermiculite (Santa Olalla, ...
EXPERIMENTAL ALTERATION OF MG-VERMICULITE UNDER HYDROTHERMAL CONDITIONS: FORMATION OF MIXED-LAYERED SAPONITE-CHLORITE MINERALS

Mosser-Ruck R.; Pironon J.; Guillaume D.; Cathelineau M. (2003)

The hydrothermal reactivity of a Mg-vermiculite from Santa Olalla (Spain) was studied experimentally at 150 and 300ºC, 75 and 100 bars, respectively, in (Na,K,Ca,Mg) chloride and sulphate solutions (liquid/solid ratio = ...

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