搜索结果: 31-45 共查到“凹凸棒石 Clay minerals”相关记录123条 . 查询时间(0.031 秒)
Methods for Performing Atomic Force Microscopy Imaging of Clay Minerals in Aqueous Solutions
Atomic Force Microscopy CMS Source Clay KGa-1 CMS Source Clay SWy-1 Fluid Cell Particles Polyethyleneimine Sapphire TappingMode Tempfix
2011/12/7
Abstract: Three methods were developed that allow for the imaging of any clay mineral in aqueous solutions with atomic force microscopy (AFM). The methods involve fixing the particles onto special sub...
Synthesis of Smectite Clay Minerals: A Critical Review
Beidellite Fluoride Hectorite Hydrothermal Montmorillonite Nontronite Phyllosilicate Saponite Sauconite Stevensite
2011/12/7
Abstract: Smectites are one of the most important groups of phyllosilicates found in soils and sediments, and certainly one of the most difficult to study. New information about the formation mechanis...
X-Ray Diffraction and the Identication and Analysis of Clay Minerals
X-ray Clay Minerals Identication
2012/3/31
Reading the second edition of Moore and Reynolds°OX-ray Dif-
fraction and the Identification and Analysis of Clay Minerals
is an absolute delight. It is rare to come away from reading a
scientific ...
“Retrograde Diagenesis” of Clay Minerals in the Precambrian Freda Sandstone, Wisconsin
Analytical Electron Microscopy Chlorite Freda Formation Illite I-S Muscovite Retrograde Diagenesis Scanning Electron Microscopy Smectite Transmission Electron Microscopy
2011/12/6
Abstract: Siltstones from the Precambrian Freda Formation in Wisconsin have been studied by scanning, scanning-transmission and analytical electron microscopy (SEM, STEM and AEM), and X-ray diffractio...
Late-Stage Diagenesis of Illitic Clay Minerals as Seen by Decomposition of X-ray Diffraction Patterns: Contrasted Behaviors of Sedimentary Basins with Different Burial Histories
Clay Minerals Decomposition Diagenesis Illite Illite-Smectite Mixed Layering X-ray Powder Diffraction
2011/12/2
Abstract: The smectite-to-illite diagenetic transformation has been documented in 5 different sedimentary basins using X-ray diffraction (XRD). Intermediate reaction products coexisting because of the...
An Experimental Study of the Effects of Diagenetic Clay Minerals on Reservoir Sands
Diagenetic Clay Experimental Petrophysics Permeability Reservoir Quality
2011/12/2
Abstract: Despite substantial scientific research efforts, accurate determination of the petrophysical effects of clay minerals on reservoir sands remains problematic. Diagenetic clays such as smectit...
Sate and Location of Water Adsorbed on Clay Minerals: Consequences of the Hydration and Swelling-Shrinkage Phenomena
Clay Paste Fabric Hydration State and Location of Water Swelling and Shrinkage Mechanisms t-Curve
2011/12/8
Abstract: The application of the Frenkel-Halsey-Hill (FHH) formalism to the water desorption isotherms obtained for the whole range of the activity of water with the pressure membrane device (0.98 < a...
Decomposition of Experimental X-ray Diffraction Patterns (Profile Fitting): A Convenient Way to Study Clay Minerals
Clay Minerals Decomposition Mixed Layering Simulation X-ray Powder Diffraction
2011/12/9
Abstract: This paper thoroughly describes the decomposition procedure, using the example of DECOMPXR (Lanson 1990). The steps of the decomposition procedure are: 1) preliminary data processing; 2) dec...
Characterization of Soil Clay Minerals: Decomposition of X-ray Diffraction Diagrams and High-Resolution Electron Microscopy
Acid Soil Decomposition of X-ray Patterns High-Charge Smectite High-Resolution Electron Microscopy Illite/Smectite Mixed Layers X-ray Diffraction
2011/12/27
Fine clays (<0.1 祄) extracted from an acid soil developed in a granite saprolite from the Massif Central, France, were characterized by X-ray diffraction (XRD) using a curve decomposition program, and...
Diagenesis and Metamorphism of Clay Minerals in the Helvetic Alps of Eastern Switzerland
Clay mineralogy Diagenesis Helvetic Alps Incipient metamorphism Switzerland
2011/12/1
Abstract: Helvetic sediments from the northern margin of the Alps in eastern Switzerland were studied by clay mineralogical methods. Based on illite “crystallinity” (Kübler index), the study area is d...
Comparison of Techniques for Determining the Fractal Dimensions of Clay Minerals
Adsorption Clay Fractal NMR Small-angle x-ray scattering
2011/12/27
Small-angle X-ray scattering (SAXS), adsorption and nuclear magnetic resonance (NMR) techniques were used to determine the fractal dimensions (D) of 3 natural reference clays: 1) a kaolinite (KGa-2); ...
The Dehydroxylation of the Kaolinite Clay Minerals using Infrared Emission Spectroscopy
Dehydroxylation Dickite Emission Halloysite Hydroxyl Infrared Kandite Kaolinite Mechanism of dehydroxylation
2011/12/27
The dehydroxylation of a series of the kaolinite clay minerals, kaolinite, halloysite and dickite, has been investigated by Fourier transform in situ infrared emission spectroscopy over a temperature ...
Reduction of Nitrate By Fe2+ in Clay Minerals
Clayey till Exchangeable ferrous iron Illite Mossbauer Nitrate Oxidized Structural ferrous iron Unoxidized
2011/12/27
In the 12 km2 catchment area of Syv creek, Denmark, moderate to high concentrations of nitrate (NO3−) occurred in the upper part of the oxidized zone (oxic-I), but dropped within the lower subox...
Electrodes Modified with Synthetic Clay Minerals: Electrochemistry of Cobalt Smectites
Clay-modified Electrodes Cobalt Cyclic Voltammetry Smectites Synthetic Clay
2011/12/27
Abstract: Hydrothermal treatment of a mixture of silicic acid, cobalt chloride, sodium dithionite and sodium hydroxide at 250 °C under 500 psi of argon produced a pink solid. X-ray powder diffraction ...
The Hydrophilicity and Hydrophobicity of Clay Minerals
Hydrophilic Hydrophobic Surface thermodynamics
2011/12/28
The terms “hydrophobic” and “hydrophilic” are typically used in a non-specific sense and, as such, they have a limited utility. Surface thermodynamic theory, as described here, allows a natural and po...