搜索结果: 1-15 共查到“凹凸棒石 cations”相关记录50条 . 查询时间(0.078 秒)
Cation exchange as influenced by the type of cations in different clay minerals
Cation exchange influenced type cations different clay minerals
2012/3/30
Physical and chemical properties of most soils are influenced by their ion-exchange characteristics, including the amount and balance of individual ions present (Rayment and Lyons, 2011). Cation Excha...
Research on Purification of Attapulgite Clay and Adsorption Characteristics for Metal Cations
Acid Treatment Alkaline Treatment Attapulgite Clay Cation-Adsorption Purification
2011/11/22
Attapulgite clay(ATP) from Xuyi county of China was purified by a wet method then treated with NaOH and 1.0 mol/L, 2.0 mol/L and 3.0 mol/L solutions of HCl. Transmission electron microscope(TEM) and X...
Self-Organized Inorganic-Organic Hybrids Induced by Silylating Agents with Phyllosilicate-Like Structure and the Influence of the Adsorption of Cations
Adsorption Aminated Surface Complexes Ion-Exchange Modified Phyllosilicate
2011/12/6
Abstract: Two analogous inorganic-organic hybrids with a phyllosilicate-like structure SILMg1 and SILMg2, containing 3-aminopropyl- and N-propylethylenediaminetrimethoxysilane were synthesized through...
Stepwise Hydration of High-Quality Synthetic Smectite with Various Cations
Crystalline Swelling Hydration Interlayer Cation Smectite
2011/12/6
Abstract: Smectites synthesized from experiments at 5.5 GPa and 1500癈 are of high quality, crystals are large at >10 祄, and the 2:1 layers may have a homogeneous charge distribution. Smectite was exch...
Effects of Iron Oxidation State and Organic Cations on Dioctahedral Smectite Hydration
Alkylammonium Ferric Iron Ferrous Iron HDTMA Hydrophilic Surface Hydrophobic Surface Interlayer Cation Oxidation Reduction Surface Hydration Swelling TMA TMPA
2011/12/6
Abstract: Reduction of structural Fe in Na-exchanged dioctahedral smectites decreases swellability in water, but because clay interlayers also collapse in the process the concomitant effect on surface...
K-Ar Dating of Illitic Fractions of Estonian “Blue Clay” Treated with Alkylammonium Cations
Alkylammonium Cations Estonian “Blue Clay” Illite K-Ar Shale Diagenetic Age
2011/12/2
Abstract: Two clay fractions of a Cambrian claystone from Estonia, consisting essentially of illite and 20% expandable illite-smectite, (I-S) were treated with C12 and C18 alkylammonium cations for K-...
Effects of Exchange Cations and Layer-Charge Location on Cysteine Retention by Smectites
Cysteine CMS Source Clay SAz-1 FTIR Homoionic Smectites Layer Charge Thermal Analysis XRD
2011/12/7
Abstract: This study investigates the complexes formed between amino acids, which are the natural degradation products of organic matter, and smectites. Thus, the adsorption and desorption behavior of...
Sorption of Heavy-Metal Cations by Al and Zr-Hydroxy-Intercalated and Pillared Bentonite
Heavy Metals Intercalation Montmorillonite Pillared Clay Sorption
2011/12/7
Abstract: The sorption of Cd, Cu, Pb, and Zn ions by Na-rich bentonite, Al and Zr-pillared Na-rich bentonite (Al-MX80, Zr-MX80), the uncalcined hydroxy-intercalated precursors (HAl, HZr-MX80), and com...
Sorption of Benzene, Toluene, Ethylbenzene, and Xylene (BTEX) Compounds by Hectorite Clays Exchanged with Aromatic Organic Cations
Adsorptive Organoclays Aromatic Cations BTEX Hectorite Natural Clays Organophilic Organoclays Smectite Sorption Unleaded Gasoline X-Ray
2011/12/7
Abstract: Adsorptive-type organoclays, where hydrocarbons adsorb directly to the siloxane surfaces, were studied to find new organic cations and to determine the parameters that produce effective sorb...
Unusual M3+ cations in synthetic amphiboles with nominal fluro-eckermannite composition: Deviations from stoichiometry and structural effects of the cummingtonite component
composition stoichiometry Unusual M3+
2012/3/30
Single-crystalstructure-re?nementandelectron-microprobeanalysisofsyntheticam-
phiboleswithnominal?uoro-eckermannitecompositionanddifferenttrivalentcations(Al,3 3 3
Sc,Ti,V ,Cr ,Ga,)showsigni?cantdev...
Distribution of cations and vacancies and the structure of defects in oxidized intermediate olivine by atomic-resolution TEM and image simulation
Distribution of cations vacancies atomic-resolution TEM image simulation
2012/4/1
The Fe, Mg, and vacancy distributions in oxidized olivine of intermediate composition and the crystal structures of associated planar defects were examined by a combination of atomic-resolution transm...
Adsorption of Monovalent Organic Cations on Sepiolite: Experimental Results and Model Calculations
Adsorption Model Crystal Violet Methylene Blue Sepiolite
2011/12/8
Abstract: Adsorption of neutral organic molecules and the monovalent organic cations methylene blue (MB) and crystal violet (CV) to sepiolite was determined experimentally and investigated by an adsor...
Molecular Simulations of Montmorillonite Intercalated with Aluminum Complex Cations. Part II: Intercalation with Al(OH)3-Fragment Polymers
Al-Cation Gibbsite-like Polymers Intercalation Molecular Simulations Montmorillonite
2011/12/8
Abstract: The Crystal Packer module in the Cerius2 modeling environment has been used to study the structure of montmorillonite intercalated with Al(OH)3-fragment (gibbsite-like) polymers. Basal spaci...
Molecular Simulations of Montmorillonite Intercalated with Aluminum Complex Cations. Part I: Intercalation with [Al13O4(OH)24+x(H2O)12−x](7−x)+
Al-Cations Intercalation Molecular Simulation Montmorillonite Structure
2011/12/8
Abstract: The structure of montmorillonite intercalated with [Al13O4(OH)24+x(H2O)12−x](7−x)+ cations ( A l 13 (7−x)+ for short), where x = 0, 2 and 4, has been studied using the Ceri...
Migration of Cations in Copper(II)-Exchanged Montmorillonite and Laponite upon Heating
CEC Measurements Cu-Laponite Cu-Montmorillonite EPR Hofmann-Klemen Effect IR XPS
2011/12/22
Abstract: Two clay minerals, a dioctahedral, Na-montmorillonite from Wyoming and a trioctahedral, synthetic Na-laponite, were exchanged by cupric (Cu(II)) ions and subsequently heated at 100 °C interv...
