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Clay and non-clay minerals in the pharmaceutical and cosmetic industries Part II. Active ingredients
Minerals Pharmaceutical industry Cosmetic industry Active ingredients Physical and physico-chemical properties
2011/11/14
A wide range and variety of minerals are used in the pharmaceutical industry as active ingredients. Such minerals may be administered either orally as antacids, gastrointestinal protectors, antidiarrh...
Molecular Simulations of Montmorillonite Intercalated with Aluminum Complex Cations. Part II: Intercalation with Al(OH)3-Fragment Polymers
Al-Cation Gibbsite-like Polymers Intercalation Molecular Simulations Montmorillonite
2011/12/8
Abstract: The Crystal Packer module in the Cerius2 modeling environment has been used to study the structure of montmorillonite intercalated with Al(OH)3-fragment (gibbsite-like) polymers. Basal spaci...
An Fe-Berthierine from a Cretaceous Laterite: Part II. Estimation Of Eh, pH and pCO2 Conditions of Formation
Berthierine Gibbsite Goethite Cretaceous Kaolinite pCO2 pH Siderite Soil Zone Weathering
2011/12/22
Abstract: Transgression by the Western Interior Sea during the Late Cretaceous in southwestern Minnesota caused swampy conditions to be imposed upon a laterite consisting of gibbsite, goethite and kao...
Condensation of Olefins on Clays. Gas-Solid Systems. Part II: Spectroscopic Methods
Adsorption Infrared Spectra Interlayer Montmorillonite Olefins Paraffins Polymerization
2011/12/9
Abstract: The adsorption of olefins at 25 °C in gas- or vapor-solid systems on 4 clays dried at 120 °C was studied by infrared spectroscopy. Products of condensation have the spectra of paraffinic oli...
Refined Relationships between Chemical Composition of Dioctahedral Fine-Grained Micaceous Minerals and Their Infrared Spectra within the OH Stretching Region. Part II: The Main Factors Affecting OH Vibrations and Quantitative Analysis
Cation Mass Cation Valency IR Spectra OH Stretching Frequencies Quantitative Analysis
2011/12/9
Abstract: A new model for the interpretation of dioctahedral mica infrared (IR) spectra in the OH stretching vibration region is proposed. It is based on the analysis of the main factors responsible f...
The Al Pillaring of Clays. Part II. Pillaring with [Al13O4(OH)24(H2O)12]7+
Aluminium Hectorite Keggin ion Pillaring Saponite
2011/12/29
Hectorite and saponite are exchanged with [Al13O4(OH)24(H2O)12]7+ and the amount of Al3+ adsorbed and Na+ released are followed as a function of the exchange conditions. On saponite the reaction is a ...
The Interaction Between Roundup (Glyphosate) and Montmorillonite. Part II. Ion Exchange and Sorption of Iso-Propylammonium by Montmorillonite
Adsorption Exchange Glyphosate Herbicide Iso-propylammonium Montmorillonite
2011/11/18
Abstract: The adsorption mechanism of iso-propylammonium (PAH+), the cationic component of Roundup, by various homoionic montmorillonites and the structures of the associations obtained in the interla...
The Influence of Aluminum on Iron Oxides. Part II. Preparation and Properties of Al-Substituted Hematites
Aluminum Ferrihydrite Goethite Hematite Iron
2012/2/9
Aluminum-substituted hematites (Fe2−xAlxO3) were synthesized from Fe-Al coprecipitates at pH 5.5, 7.0, and in 10−1, 10−2, and 10−2 M KOH at 70°C. As little as 1 mole % Al suppr...