搜索结果: 1-15 共查到“矿床学与矿相学 Infrared”相关记录71条 . 查询时间(0.172 秒)
Infrared Reflectance Study of Thermally Treated Li- and Cs-Montmorillonites
Cs-Montmorillonite Li-Montmorillonite Longitudinal-Optic (LO) Mode Migration Reflectivity Transverse-Optic (TO) Mode
2011/12/22
Abstract: The structure of Li- and Cs-montmorillonites was studied using infrared (IR) reflectance spectroscopy. The spectra of heat-treated clays between 80 and 220 °C were analyzed by Kramers-Kr&oum...
Trioctahedral entities in palygorskite: Near-infrared evidence for sepiolite-palygorskite polysomatism
palygorskite sepiolite XRD near-infrared spectroscopy dioctahedral trioctahedral polysomatism
2011/11/4
The mixed dioctahedral-trioctahedral character of Mg-rich palygorskite has been previously described by the formula
yMg5Si8O20(OH)2(OH2)4(1杫)[xMg2Fe2(1杧)Mg2Al2]Si8O20(OH)2(OH2)4, where y is the tri...
Thermal analysis and Infrared emission spectroscopic study of kaolinite–potassium acetate intercalate complex
Kaolinite Potassium acetate Intercalation complex Infrared emission spectroscopy
2011/11/10
The thermal behavior and decomposition of kaolinite–potassium acetate intercalation complex was investigated through a combination of thermogravimetric analysis and infrared emission spectroscopy. Thr...
On the structure of palygorskite by mid- and near-infrared spectroscopy
IR spectroscopy palygorskite NIR spectroscopy Fe-rich hormite hydration
2011/11/4
The OH-structural characteristics of an iron-rich palygorskite from Western Macedonia, Greece (Gr-1) and an aluminous palygorskite from Florida (PFl-1) were examined by combined Fourier-transform near...
MODIFICATION OF FIBROUS SILICATES SURFACES WITH ORGANIC DERIVATIVES – AN INFRARED SPECTROSCOPIC STUDY
FIBROUS SILICATES SURFACES ORGANIC DERIVATIVES
2011/11/7
This contribution explores the interaction of the fibrous silicates, palygorskite, sepiolite and chrysotile with a wide range of organic agents. Infrared spectroscopy (IR) methods are essential for th...
Hydroxyl-Stretching Bands in Curve-Fitted Micro-Raman, Photoacoustic and Transmission Infrared Spectra of Dickite from St. Claire, Pennsylvania
Curve-fitting Dickite Infrared LO and TO Crystal Modes Micro-Raman OH bands SEM
2011/12/5
Abstract: The OH-stretching region in curve-fitted micro-Raman, photoacoustic and transmission IR spectra of St. Claire dickite was investigated. Polarized Raman spectra recorded from the (001) and (0...
Infrared Study of Water Sorption on Na-, Li-, Ca-, and Mg-Exchanged (SWy-1 and SAz-1) Montmorillonite
Exchangeable Cation FTIR Hydration Hysteresis Smectite Sorption Water
2011/12/2
Abstract: An environmental infrared microbalance (EIRM) cell was used to study H2O sorption on two montmorillonite samples as a function of water content and type of exchangeable cation. The vibration...
Mossbauer and Infrared Study of Heat-Treated Nontronite
CMS Clay SWa-1 Dehydroxylation Infrared Spectra Lithium Migration Mossbauer Spectra Nontronite Superparamagnetic Behavior
2011/12/2
Abstract: The Mössbauer and infrared spectra of Li- and Rb-saturated nontronites from Washington, USA (SWa-1), heat treated at different temperatures, were measured. The Mössbauer results sh...
Infrared Study of the Intercalation of Potassium Halides in Kaolinite
CMS Clay KGa-1 Infrared Spectra Intercalation Complexes Kaolinite Potassium Halide-Kaolinite Complexes X-ray Diffractograms
2011/12/2
Abstract: KCl-, KBr-, and KI-kaolinite intercalation complexes were synthesized by gradually heating potassium-halide discs of the dimethylsulfoxide (DMSO)-kaolinite intermediate at temperatures to 33...
A Nuclear Magnetic Resonance (NMR) and Fourier-Transform Infrared (FTIR) Study of Glycine Speciation on a Cd-Rich Montmorillonite
Adsorption Amino Acids Cadmium Glycine Montmorillonite Speciation
2011/12/6
Abstract: As a consequence of treatments with glycine solutions, glycine molecules enter the interlayer of both Ca- and Cd-rich montmorillonite. Measurements of d value suggest that at low glycine con...
Characterization and Assignment of Far Infrared Absorption Bands of K+ in Muscovite
Dichroism Far Infrared Muscovite Potassium Transition Moment Vibration Mode
2011/12/6
Abstract: To assign far infrared (FIR) absorption bands of K+ in muscovite, dichroic experiments were performed. For a muscovite crystal rotated about a crystallographic axis, c*, a, or b, two bands c...
Characterization of Octahedral Substitutions in Kaolinites Using Near Infrared Spectroscopy
Kaolinites Near Infrared Spectroscopy Octahedral Substitution
2011/12/2
Abstract: Fourier transform infrared (FTIR) spectroscopy investigations in the near infrared (NIR) region of synthetic and natural kaolinites with various octahedral substitutions have been carried ou...
Near-infrared study of short-range disorder of OH and F in monoclinic amphiboles
Amphiboles OH-stretchingregion
2012/3/30
Amphibolesweresynthesizedalongthejoinstremolite¤C?uorotremolite,richterite¤C?u
rorichteriteandpotassic-richterite¤Cpotassic-?uororichteriteat75Cand1kbar P(H O).
2
Infraredspectraoftheamphiboleswere...
New controlled rapid quench technique in a 1 atm infrared image furnace
rapid quench technique range image furnace
2012/3/30
WedescribeanewquenchtechniquethatallowsforcontrolledandreproducibleconstantC/sinthetemperaturerangeof1400¤C70Cand10C/s
quenchratesexceeding100
intherange1400¤C20Cat1atmtotalpressure.Ourtechniqueuses...
Use and Limitations of Second-Derivative Diffuse Reflectance Spectroscopy in the Visible to Near-Infrared Range to Identify and Quantify Fe Oxide Minerals in Soils
Crystal Field Bands Diffuse Reflectance Spectroscopy Goethite Hematite Intervalence Charge Transfer Iron Oxides Magnetite
2011/12/8
Abstract: We measured the visible to near-infrared (IR) spectra of 176 synthetic and natural samples of Fe oxides, oxyhydroxides and an oxyhydroxysulfate (here collectively called “Fe oxides”), and of...