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Article
Erratum to: Summary of recommendations of nomenclature committees relevant to Clay mineralogy: Report of the Association Internationale pour l’etude des argiles (AIPEA) Nomenclature Committee for 2006
In Table 2 entitled ‘Classification of planar hydrous phyllosilicates’ of the paper by Guggenheim et al. (p. 765 of December 2006 issue), the trioctahedral and dioctahedral species for interlayer-deficient mica w...
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Article
Summary of recommendations of Nomenclature Committees relevant to clay mineralogy: Report of the association Internationale pour l’Etude des Argiles (AIPEA) Nomenclature Committee for 2006
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Article
A brief survey on CLAYPEN and Nanocomposites based on unmodified PE and organo-pillared clays
New clay fillers are mixed with linear low-density polyethylene at 160 °C for 10 min to obtain clay-PE nanocomposites (CLAYPEN) by melt intercalation. Raw montmorillonite (Mt) was pillared (PMt) with partially...
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Chapter and Conference Paper
Card-house microstructure of purified sodium montmorillonite gels evidenced by filtration properties at different pH
The effect of pH on the static filtration properties of purified sodium montmorillonite dispersions depends on the applied pressure. At 1.5 × 105 Pa, the double-layer repulsion resists the applied pressure at nat...
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Article
Hard and Soft Acid-Base Model Applied to Bivalent Cation Selectivity on a 2:1 Clay Mineral
We applied the hard and soft acid-base (HSAB) model (Xu and Harsh 1990a, 1990b) to bivalent cation exchange on a purified Ca-montmorillonite. As a result, a satisfactory model is proposed to describe the gradu...
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Chapter and Conference Paper
Influence of Heat Treatment Kinetics on Calcium Silicate Hydrates Phase Evolution
29Si Nuclear Magnetic Resonance was used to analyse silicate polymerization in relation with the kinetic control of the curing process. Controlled Rate Thermal Analysis (CRTA) was applied to the monitoring of th....
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Article
TEM study of kaolinite thermal decomposition by controlled-rate thermal analysis
The dehydroxylation of kaolinite leading to metakaolinite was studied by transmission electron microscopy. TEM techniques allow the study of morphology, structure (by selected-area electron diffraction) and la...
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Article
The meaning of surface area and porosity measurements of clays and pillared clays
Pillared clays (PC) generally present textural complexity, geometrical constraints and possible chemical heterogeneity by pillaring. As far as surface area and porosity measurements by physical adsorption of n...
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Article
Infrared Spectroscopy Study of Tetrahedral and Octahedral Substitutions in an Interstratified Illite-Smectite Clay
Infrared spectroscopy is used to distinguish between octahedral and tetrahedral substitutions in an interstratified illite-smectite clay. The Hofmann-Klemen (Li) test suggests that the AlMg□ and FeMg□ octahedr...
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Chapter
About Surface Area and Porosity Measurements in Pillared Clays
We discuss the problems raised by chemical heterogeneity and geometrical confinement in pillared clays for the measure of their surface area and their porosity by physical adsorption.
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Article
Synthesis of “SiMON” ceramics from various clays and different sources of carbon
The preparation of β-SiMONs by the thermal treatment (1373–1773 K) under nitrogen of various mixtures of clays and organic molecules (acrylonitrile) or carbon (charcoal) or graphitic oxide, was investigated. C...
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Chapter
Control of Carbon-Silicate Interface Area in the Preparation of Simon Ceramic Precursors from Clays
We describe the preparation and the microtexture of three classes of precursors for the synthesis of ceramic powders or films of the SiMON family (M=Al, Mg, Y). (i) simple mechanical mixtures of a non-swelling...
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Chapter
Photocatalysis over Clay Supports
Clay Minerals can be used in photocatalysis (i) to support heterogeneous redox catalysts, including metals, oxides and sulphides (ii) to anchor, by covalent linkage, homogeneous redox catalysts, and (iii) to i...
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Article
Contribution of Infrared Spectroscopy to the Study of Corrensite
A corrensite from Taro Valley, Italy, was studied by infrared analysis at different temperatures in the natural state and after exchange with seven different cations. The vibrational bands in the OH-stretching...
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Chapter and Conference Paper
Clay Minerals: A Molecular Approach to Their (Fractal) Microstructure
For most users, clays are just a class of mineral materials characterized by various properties such as a very small particle size, a strong adsorption capacity, a soft touch, or a plastic behavior when wetted...
