Results 161 to 170 of about 5,205 (220)
Atomic force microscopy of gibbsite
Applied Surface Science, 1998 Atomic force microscopy has been used to image the surface structure of a range of gibbsite (Al(OH)3) crystals. A variety of microtopographies has been imaged on the (001) plane, and sub-nanometer detail has been observed on flat areas that is commensurate with the known bulk structure of the solid.
Lloyd, S. +3 more
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Mechanically Induced Reactivity of Gibbsite: Part 2. Attrition Milling
Powder Technology, 2014 Mechanically induced reactivity of gibbsite in an attrition mill is focused in this paper. Reactivity of milled gibbsite, assessed in terms of its dehydroxylation and dissolution in alkali solution, is found to increase with the increase in milling ...
Rakesh Kumar
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Water-Resistant Hybrid Cellulose Nanofibril Films Prepared by Charge Reversal on Gibbsite Nanoclays
Carbohydrate Polymers, 2022 A novel method is reported for the preparation of a hybrid gibbsite-cellulose nanofibril (CNF) nanocomposite film with improved wet and dry mechanical properties and barrier properties.
Per A Larsson +2 more
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Environmental ResearchAdsorption of essential amino acid, Tryptophan (Tryp) on synthesized gibbsite nanoparticles and their applications in eliminating of antibiotic ciprofloxacin (CFX) and bacteria Escherichia coli (E. coli) in aqueous solution.
Tien Duc Pham +2 more
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ADSORPTION OF PHOSPHATE BY GIBBSITE
Journal of Soil Science, 1976Summary The effects of the salts were studied using I per cent suspensions of gibbsite at pH 5.5 and 26°C. At 480μM phosphate and I mM calcium, the kinetic pattern was an initial rapid adsorption reaction, which approached equilibrium in 24 h, revealing a slower reaction.
K. R. HELYAR, D. N. MUNNS, R. G. BURAU
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Structural and Electronic Properties of Bulk Gibbsite and Gibbsite Surfaces
Zeitschrift für anorganische und allgemeine Chemie, 2005AbstractStructure and electronic structure of gibbsite and gibbsite surfaces are studied using gradient‐corrected density functional theory and a density‐functional based tight‐binding (DFTB) scheme. The electronic density‐of‐states (DOS) is insignificantly changed when comparing bulk and single‐layer (001) surfaces, but changes for other surfaces, as ...
Johannes Frenzel +4 more
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Hydrothermal process of synthetic gibbsite and the characteristics of Na in gibbsite crystal
Chemical Papers, 2018The presence of Na in synthetic gibbsite was studied by several modern testing methods such as X-ray diffraction, scanning electron microscopy, energy-dispersive X-ray spectroscopy and inductively coupled plasma. Results show that Na is located between gibbsite crystals and is not present as sodium aluminosilicate hydrate in synthetic gibbsite ...
Hui-bin Yang +3 more
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Gibbsite and Goethite Solubility
Soil Science Society of America Journal, 20052‐Ketogluconate (kG) is a microbial byproduct that has been isolated from the rhizosphere of several plants and has been found to accumulate around bacteria adhering to rock surfaces. It has long been suspected that kG may play a role in enhancing the bioavailability of soil nutrients.
Michael E. Essington +2 more
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Adsorption of oxalate on gibbsite
Hydrometallurgy, 1986Abstract The adsorption of oxalate ion on gibbsite was measured using a radiotracer. For oxalate concentrations of 2 to 18 mol/m 3 , Na 2 O of 0.1 to 0.125 g/cm 3 and Al 2 O 3 /Na 2 O of 0.21 to 0.32 by weight, the adsorption appears to about 0.02 μmol/m 2 , or less than 0.01 monolayer.
Jeffrey P. Kingsley, William R. Wilcox
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On the mechanistic modeling of As(III) adsorption on gibbsite
Chemosphere, 2003Arsenite adsorption on gibbsite was examined as a function of pH, ionic strength (I) and contact time (t(C)). As(III) showed a weak affinity for gibbsite surface. The trends of pH=f(Gamma(ads)) curves have showed a marked deviation from a typical anion adsorption edge showing a maximum Gamma(ads) around pH approximately 8.2.
R, Weerasooriya +4 more
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