搜索结果: 1-15 共查到“矿床学与矿相学 Complexes”相关记录42条 . 查询时间(0.074 秒)
Swelling of Formamide-Montmorillonite Complexes in Polar Liquids
Donor Number Formamide Montmorillonite Osmotic Swelling Polar Liquids Swelling
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2011/12/7
Abstract: A new osmotic-swelling system for montmorillonite with formamide (FA) is described. Water and a variety of polar organic liquids were used to swell FA-montmorillonite complexes. The post-swe...
The Structure of U6+ Sorption Complexes on Vermiculite and Hydrobiotite
Cation Exchange EXAFS Sorption Surface Complex Uranium Uranyl Vermiculite XANES XRD
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2011/12/7
Abstract: The sorption of the uranyl oxo-cation (UO22+)at different types of binding sites on layer silicate mineral surfaces was investigated. Well-characterized samples of vermiculite and hydrobioti...
Tin桟lay Complexes: A Mossbauer Study
Clay Montmorillonite Mossbauer Intercalation
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2011/12/1
Abstract: Divalent tin has been intercalated into montmorillonite by reacting partially hydrolyzed solutions of SnCl2 under aerobic conditions at pH = 2.8 with aqueous dispersions of the smectite mine...
Polyvinyl Alcohol-Clay Complexes Formed by Direct Synthesis
Clays Direct Synthesis Hectorite Hydrothermal Crystallization Polymer Clays Polyvinyl Alcohol PVA
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2011/12/27
Abstract: Synthetic hectorite clay minerals were hydrothermally crystallized with direct incorporation of a series of five water-soluble polyvinyl alcohols (PVA) of molecular weights from 9000–146,000...
Intercalation of Al13-Polyethyleneoxide Complexes into Montmorillonite Clay
Al13 Intercalation Microporous Montmorillonite Polyethyleneoxide
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2011/12/28
Novel promising modified days adsorbents were synthesized by intercalating hydroxy-Al polymer associated with poly(ethyleneoxide) in the interlayer of montmorillonite. Two different PEOs of low molecu...
The Nature of Polynuclear OH-Al Complexes in Laboratory-Hydrolyzed and Commercial Hydroxyaluminum Solutions
Al13 complexes Aluminum chlorohydrate Polyaluminum chloride Polynuclear OH-Al complexes
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2011/12/29
Laboratory-hydrolyzed and commercial OH-Al solutions were characterized using kinetics of Al-ferron color development, kinetics of structural OH neutralization with H+, 27Al NMR spectroscopy, and sulf...
Molecular Structure and Binding Sites of Cobalt(II) Surface Complexes on Kaolinite from X-ray Absorption Spectroscopy
Cobalt EXAFS Kaolinite Sorption Surface complex
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2011/12/29
X-ray absorption spectroscopy (XAS) was used to determine the local molecular environment of Co(II) surface complexes sorbed on three different kaolinites at ambient temperature and pressure in contac...
Electric Charge and Surface Characteristics of Hydroxyaluminosilicate- and Hydroxyaluminum-Vermiculite Complexes
Electric charge characteristics Fixation Hydroxy-Al Hydroxyaluminosilicate Specific surface area Vermiculite
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2011/12/31
Hydroxyaluminosilicate (HAS) ions prepared from hydroxy-Al (HyA) ions and orthosilicic acid at different NaOH/Al molar and Si/Al atomic ratios were fixed in the interlayer spaces of vermiculite (Vt). ...
Interaction of the Herbicide Acifluorfen with Montmorillonite: Formation of Insoluble Fe3+, Al3+, Cu2+, and Ca2+ Complexes
Adsorption Acifluorfen Infrared spectroscopy Interlayer cations Montmorillonite Pesticides
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2011/11/30
Abstract: Analytical, spectroscopic, and X-ray powder diffraction techniques were used to investigate the adsorption of the herbicide sodium acifluorfen (acifluorfen = 5-[2-chloro-4-(trifluoromethyl)p...
Surface Free Energy Components of Clay-Synthetic Humic Acid Complexes from Contact-Angle Measurements
Adsorption Aggregate stability Humic acid Montmoriltonite Surface free energy Wettability
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2011/11/30
Abstract: The surface free energy components of clay-organic complexes were determined to assess to what extent an organic adsorbate modified the surface properties of the mineral, insofar as the stab...
Particle Interaction and Rheology of Illite-Iron Oxide Complexes
Bingham yield stress Morphology Illite Iron oxide Particle interaction Zeta potential
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2011/12/31
The Bingham yield stress for suspensions of illite-iron oxide complexes is examined as a function of pH and iron oxide content. Addition of iron oxides to illite increased the yield stress over a pH r...
Clay-Organic Complexes as a Cementing Agent in the Arahama Sand Dune, Japan
Cementing agent Clay-organic complex Gel Sand dune Scanning auger multiprobe analysis Transmission electron microscopy X-ray photoelectron spectroscopy
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2012/1/5
Cementing materials in the Arahama sand dune, Japan, were studied mineralogicaUy and biogeochemically to gain a better understanding of the cause of hardening. The cementing material is a clay- organi...
Electronic State of Iron Complexes in the Interlayer of Hydrotalcite-Like Materials
Anion exchange Infrared spectroscopy Hexacyanoferrate Hydrotalcite Intercalation Iron oxidation
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2012/1/9
Infrared and Mössbauer spectroscopic studies were made on hydrotalcite-like materials, Mg6Al2(OH)16(NO3)2·4H2O, anion exchanged in aqueous solution of K3Fe(CN)6, K4Fe(CN)6·3H2O, or Na2Fe(CN)5NO·2...
Coordination Complexes of p-Hydroxybenzoate on Fe Oxides
Adsorption Ferrihydrite Goethite Hematite Infrared spectroscopy Iron oxides p-Hydroxybenzoate
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2012/1/5
Adsorption of p-hydroxybenzoate anion on synthetic Fe oxides, hydroxides, and oxyhydroxides (hereafter referred to as oxides) was measured at pH 5.5, and the organic-oxide interaction was characterize...
Properties of Organo-Mineral Complexes Formed by Different Addition Sequences of Hydroxy-Al, Montmorillonite, and Tannic Acid
Differential thermal analysis Hydroxy-Al Interlayer space Montmorillonite Organo clay Tannic acid X-ray powder diffraction
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2012/1/5
A study was carried out on the influence of the sequence of addition of montmorillonite, hydroxy-Al ions, and tannic acid ([Al] = 0.015 M; 6 mmole Al/g of clay; tannic acid/Al molar ratio = 0.1) on th...