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Amorphous Aluminum Hydroxide Formed at the Earliest Weathering Stages of K-Feldspar
Aluminum hydroxide Gibbsite Halloysite K-feldspar Weathering product
2011/12/27
Weathering products formed on the surface of K-feldspar in Yakushima Island, Japan were investigated by X-ray powder diffraction (XRD), scanning electron microscopy (SEM), transmission electron micros...
Thermogravimetric analysis and hot-stage Raman spectroscopy of cubic indium hydroxide
Thermogravimetry Hot-stage Raman spectroscopy Indium hydroxide Indium oxide
2011/11/10
The transition of cubic indium hydroxide to cubic indium oxide has been studied by thermogravimetric analysis complimented with hot-stage Raman spectroscopy. Thermal analysis shows the transition of I...
Oxygen-Isotope Fractionation between Aluminum-Hydroxide Phases and Water at <60C: Results of Decade-Long Synthesis Experiments
Aluminum Hydroxides Fractionation Factor Gibbsite Oxygen Isotope Synthesis
2011/12/6
Abstract: Oxygen-isotope data were obtained for synthetic aluminum-hydroxide phases precipitated over 65–125 mo and have been compared to results from similar experiments conducted for 3–56 mo. The Al...
A Nickel Hydroxide-Vermiculite Complex: Preparation and Characterization
Clay-Inorganic Complex One-Dimensional Fourier Electron Density Map Nickel Hydroxide Vermiculite
2011/12/8
Abstract: A nickel hydroxide-vermiculite complex (NHVC) with csinβ = 1.41 nm and particle sizes from 0.075 to 0.15 mm was obtained hydrothermally by adding nickel nitrate solution to vermiculite from ...
Molecular cluster models of aluminum oxide and aluminum hydroxide surfaces
Molecular cluster models aluminum oxide aluminum hydroxide surfaces
2012/4/1
Ab initio, molecular orbital calculations for two different Hartree-Fock basis levels were performed on clusters in the system Al-O-H, and tested by comparing derived vibrational frequencies to the me...
Thermal Characterization of Poly(styrene sulfonate)/Layered Double Hydroxide Nanocomposites
Layered Double Hydroxides Nanocomposites Poly(styrene sulfonate)
2011/12/9
Abstract: Phase and morphological changes during thermolysis of Mg4Al2(OH)12CO3·nH2O and Zn6Al2(OH)16CO3·nH2O layered double hydroxides (LDH) and their nanocomposites with poly(styrene sulfonate) (PSS...
A NEXAFS Study of the Orientation of Benzoate Intercalated into a Layer Double Hydroxide
Double hydroxide Hydrotalcite NEXAFS Organic intercalates Preferred orientation
2011/12/29
NEXAFS is shown to be an excellent technique, of potentially widespread application, for the determination of the orientation of organic molecules intercalated in preferentially oriented thin films of...
Formation Mechanism of Aluminum Hydroxide Polymorphs
Al(OH)3 polymorphs Bayerite Gibbsite Noncrystalline materials Nordstrandite Pseudoboehmite
2011/12/30
Substantial studies have been carried out to investigate the mechanism of the formation of Al(OH)3 polymorphs. The influence of the nature of Al precipitation products on the formation of Al(OH)3 poly...
Effect of Cysteine and Manganese on the Crystallization of Noncrystalline Iron(III) Hydroxide at pH 8
Crystallization Cysteine Ferrihydrite Goethite Iron oxides Manganese
2011/11/30
Abstract: To provide a greater understanding of the crystallization of iron oxides under natural aqueous conditions, the combined effect of an inorganic ion (Mn2+) and a reducing organic ligand (L-cys...
Cu2+-Adsorption Characteristics of Aluminum Hydroxide and Oxyhydroxides
Adsorption Alumina Aluminum Boehmite Copper Electron spin resonance Gibbsite
2011/11/23
Abstract: The nature of Cu2+ adsorption by boehmite, gibbsite, and noncrystalline alumina was studied over a range of equilibrium pH (4.5–7.5) and Cu2+ concentration (10−3–10−8 M) by elect...
Surface Charge Variation in Aging Ferric Hydroxide
Surface Charge Variation Aging Ferric Hydroxide titration technique
2012/2/13
The variation with time of exchangeable surface charge of amorphous ferric hydroxide in aqueous suspension was monitored by a titration technique. After 120 days, the surface charge of suspensions wit...
The Formation of Hematite from Amorphous Iron(III)Hydroxide
Formation of Hematite Amorphous Iron(III)Hydroxide
2011/11/18
Abstract: The formation of hematite from amorphous Fe(III)hydroxide in aqueous systems at pH 6 and 70°C, both with and without oxalate, was followed by kinetic measurements, electron microscopy, i.r. ...
The Nature of Kenya Vermiculite and Its Aluminum Hydroxide Complexes
Kenya Vermiculite Its Aluminum Hydroxide Complexes
2011/11/17
Abstract: A specimen of Kenya vermiculite contained no mica or chlorite layers either as separate phases or as components of an interstratified structure. Dehydroxylation occurred in two stages, at 55...