搜索结果: 1-11 共查到“地质学 Na-Montmorillonite”相关记录11条 . 查询时间(0.056 秒)
Synthesis and Swelling Properties of Guar Gum-g-poly(sodium acrylate)/Na-montmorillonite Superabsorbent Nanocomposite
guar gum montmorillonite superabsorbent nanocomposite swelling
2011/12/14
Novel guar gum-g-poly(sodium acrylate)/Na-montmorillonite (GG-g-PNaA/MMT) superabsorbent nanocomposites were synthesized by grafted copolymerization among natural guar gum (GG), partially neutralized ...
Synergistic effects of Na+-montmorillonite and multi-walled carbon nanotubes on mechanical properties of chitosan film
nanocomposites chitosan films mechanical properties multi-walled carbon nanotubes
2011/12/14
Chitosan/Na+-montmorillonite/multi-walled carbon nanotubes (CTS/MMT/MWCNTs) nanocomposite films were prepared by a simple solution-evaporation method. The effects of MMT and MWCNTs on mechanical prope...
Exchange Reactions in the Ca-Mg-Na-Montmorillonite System
Cation Adsorption Model Ca2+ Adsorption Mg2+ Adsorption Montmorillonite Solution Complexes
2011/12/23
Abstract: The exchange reactions of Na, Ca and Mg on montmorillonite are revisited employing recently developed analytical and theoretical approaches. The fractional adsorption of the cations has been...
Dimepiperate Adsorption and Hydrolysis on Al3+-, Fe3+-, Ca2+-, and Na+-Montmorillonite
Adsorption Dimepiperate Hydrolysis Infrared spectroscopy Interlayer cations Montmorillonite Pesticides
2011/12/29
The adsorption of the herbicide dimepiperate S-(α,α-dimethylbenzyl)-1-piperidinecarbothioate on homoionic Fe3+-, Al3+-, Ca2+-, and Na+-montmorillonite was studied in aqueous medium. The adsorption is ...
Rheological Behavior of Na-Montmorillonite Suspensions at Low Electrolyte Concentration
Electrolyte Montmorillonite Particle attraction Rheology Shear Viscosity
2011/11/30
Abstract: The prevailing concept that positive-edge to negative-face attraction accounts for the rheological behavior of montmorillonite suspensions at low electrolyte concentration was investigated. ...
Quinoline Sorption on Na-Montmorillonite: Contributions of the Protonated and Neutral Species
Adsorption Cation exchange Montmorillonite Quinoline Vanselow selectivity
2012/1/10
Dilute aqueous solutions of quinoline were contacted with Na-montmorillonite to elucidate the sorption process of the neutral and protonated species. Sorption occurs via a combination of ion exchange ...
Infrared Spectroscopic Study of the Formamide-Na-Montmorillonite Complex. Conversion of s-Triazine to Formamide
Formamide Herbicide Hydrolysis Infrared spectroscopy Intercalation Montmorillonite s-Triazine
2012/1/12
The adsorption and degradation on montmorillonite of s-triazine, the parent compound of a major group of triazine-based herbicides, were studied by Fourier-transform infrared spectroscopy. The origina...
The Diffusion of Interlamellar Water in the 23.3 A Na-Montmorillonite:Pyridine/H2O Intercalate by Quasielastic Neutron Scattering
Diffusion Intercalate Montmorillonite Neutron Pyridine Quasielastic
2012/2/9
The diffusion of water in the title intercalate has been measured by quasielastic neutron scattering. The diffusion coefficient (6.1 × 10−7 cm2 s−1 at 23.5°C) is one order less than that f...
Electrical Conductivity of Na-Montmorillonite Suspensions
Na-Montmorillonite Suspensions Electrical Conductivity
2012/2/13
The electrical conductivity of Na-montmorillonite suspensions in various salt and clay concentrations was measured. The weight conductance of the clay suspension was found to decrease with increase in...
Thermodynamics of the Exchange of n-Alkylammonium Ions on Na-Montmorillonite
Thermodynamics Exchange n-Alkylammonium Ions Na-Montmorillonite
2011/11/17
Abstract: A thermodynamic study has been made of the ion exchange equilibria of the n-alkylammonium ions in sodium montmorillonite. Exchange isotherms of ammonium, methylammonium, ethylammonium, propy...
Interparticle Potential Energies in Na-Montmorillonite Clay Suspensions
Interparticle Potential Energies Na-Montmorillonite Clay Suspensions
2012/2/20
The small angle X-ray scattering data obtained in an earlier investigation of a series of Na-montmorillonite clay samples containing varying concentrations of sodium metaphosphate have been used to ca...