搜索结果: 1-15 共查到“凹凸棒石 Morphology”相关记录22条 . 查询时间(0.096 秒)
Synthesis, Film Morphology and Performance of a Functional Polysiloxane Containing Polyether, Epoxy and Trifluoropropyl Side Groups
Cotton Fabric Film Morphology Hydrophobic Property Modified Polymethyltrifluoropropylsiloxane
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2011/12/20
A novel polysiloxane (PSA-PFMS) fabric finishing agent, bearing pendant stearyl acrylate, polyether, epoxy and trifluoropropyl side groups, etc., was synthesized by hydrosilylation of polytrifluoropro...
Crystal morphology and indicative microchemistry of kaolinite from kaolin occurrences in Alkaleri region, northeastern Nigeria.
Crystal morphology indicative microchemistry kaolinite kaolin occurrences Alkaleri region northeastern Nigeria
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2012/3/14
Crystal morphology and indicative microchemistry of kaolinite from kaolin occurrences in Alkaleri region, northeastern Nigeria.
Hisingerite: A Ferric Kaolin Mineral with Curved Morphology
Cation Exchange Capacity Halloysite Hisingerite Kaolinite Nontronite Transmission Electron Microscopy X-ray Powder Diffraction
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2011/12/8
Abstract: Hisingerite, first described in 1810, has been variously regarded as noncrystalline, as a septechlorite, as ferric allophane, as ferric halloysite and as poorly crystalline nontronite. Hisin...
Morphology of Lead(II) and Chromium(III) Reaction Products on Phyllosilicate Surfaces as Determined by Atomic Force Microscopy
Atomic Force Microscopy Clay FTIR Geochemical Equilibrium Model Mica Remediation Smectite X-ray
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2011/12/27
Abstract: Redox and acid-base reactions play important roles in the fate of metal contaminants in soils and sediments. The presence of significant amounts of Cr, Pb and other toxic heavy metals in con...
Morphology and maturation of melt inclusions in quartz phenocrysts in afrom the Badlands rhyolite lava flow, southwestern Idaho
Morphology maturation of melt inclusions phenocrysts Badlands rhyolite lava flow southwestern Idaho
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2012/4/5
Morphologiesofprimary rhyolitic meltinclusions in three successive populations of quartz phenocrysts in asinglevolcanic unit illustrate the changeofinclusion shape after trapping. The 14MaBadlandslava...
Mechanism of Illitization of Bentonites in the Geothermal Field of Milos Island Greece: Evidence Based on Mineralogy, Chemistry, Particle Thickness and Morphology
Bentonite Hydrothermal alteration Illitization Illite/smectite Kaolinite Neoformation Ostwald ripening Solid state transformation
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2011/12/28
Hydrothermal alteration has caused illitization along a 40m vertical profile in the Tsantilis bentonite deposit, Eastern Milos, Greece which consists principally of a Wyoming-type montmorillonite and ...
Morphology of Kaolinite Crystals Synthesized Under Hydrothermal Conditions
Crystal growth Electron microscopy Kaolinite Laths Morphology Plates Spherules Synthesis
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2011/12/28
Scanning electron microscopy has revealed the presence of spherical, lath and platy kaolinite in gels with Si/Al atomic ratio ranging from 1.84 to 0.76 that are hydrothermally treated under different ...
Changes in Particle Morphology During Illitization: An Experimental Study
Illitization Morphology Particle TEM
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2011/12/29
Smectite was reacted at several temperatures between 200°C and 500°C to produce interstratified illite/smectite (I/S) with different proportions of expandable layers. Dispersed and sedimented products...
Morphology, Texture, and Microstructure of Halloysitic Soil Clays as Related to Weathering and Exchangeable Cation
Exchangeable cation Halloysite Interstratification Microstructure Smectite TEM
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2011/12/31
This paper aims at characterizing the morphology, texture, and microstructure of three hydrated kaolin rich clays (f < 0.2 µm) from volcanic soils. These clays represent a weathering sequence in...
Genesis and Morphology of Iron Sulfides in Gray Kaolins
Kaolinite Marcasite Morphology Oxidation Pyrite Scanning electron microscopy Sulfide
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2011/11/30
Abstract: Many of the presently oxidized Georgia kaolins probably existed originally in the reduced (gray) state. For that reason, the distribution of iron sulfides in presently gray kaolins may eluci...
Acid Dissolution of Akaganieite and Lepidocrocite: The Effect on Crystal Morphology
Akaganeite Dissolution Iron Lepidocrocite Morphology Transmission electron microscopy
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2012/1/9
The rate of dissolution of akaganéite in HCl increased with time over the bulk of the reaction leading to a sigmoid dissolution vs. time curve. The bulk of the dissolution of lepidocrocite could be de...
Morphology of Clay Minerals in the Smectite-to-Illite Conversion Series by Scanning Electron Microscopy
Burial diagenesis Hydrothermal alteration Illite/smectite Morphology Scanning electron microscopy Smectite-to-illite conversion
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2012/1/11
The morphology of illite/smectite (I/S) from deeply buried bentonites and hydrothermally altered Tertiary volcanic rocks from Japan changes in parallel with the proportion of expandable layers in the ...
Effect of Solution Conditions on the Proportion and Morphology of Goethite Formed from Ferrihydrite
Ferrihydrite Goethite Hydroxyl Iron Morphology Transmission electron microscopy
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2012/2/2
In alkaline media and at 70°C dilute suspensions of ferrihydrite transformed to goethite between pH 11.2 and 14 and to a mixture of goethite and hematite above and below this pH range. Increasing the ...
Small-Angle X-Ray Powder Diffraction, Morphology, and Structure of Allophane and Imogolite
Allophane Dehydroxylation Imogolite Infrared spectroscopy Morphology Small angle scattering
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2012/2/1
Small-angle X-ray powder diffraction analyses and high-resolution electron microscopy of allophane samples (SiO2/Al2O3 ratio, 1.12 to 1.68) showed that allophanes consist of nearly identical spherical...
Morphology of Nordstrandite
Carboxylic acid Electron diffraction Electron microscopy Montmorillonite Morphology Nordstrandite Synthesis
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2012/2/8
Nordstrandite was obtained synthetically by precipitation of Al(OH)3 at pH 9.0 to 11.0 in citrate or malate systems with Al: carboxylic acid molar ratios of 10?00 in the absence and in the presence of...