搜索结果: 1-15 共查到“矿床学与矿相学 Mica”相关记录39条 . 查询时间(0.066 秒)
Research on Photocatalysis Properties of Nano TiO2/Mica Composite Material Prepared by the Method of Hydrolysis–Precipitation
Composite Material Hydrolysis – Precipitation Photocatalyst TiO2/M
2011/11/14
Using muscovite as the carrier, TiCl4 as the source of titanium, urea as the precipitating agent, nano-TiO2/mica photocatalyst (TiO2/M) was prepared by the method of hydrolysis–precipitation. The as -...
Abstract: The relative growth rates of the three joint chains of silica tetrahedra and metal octahedra in the [100], [110] and [110] directions within the mica layer (referring to the 1M unit-cell) se...
Perturbative Theory of Mica Polytypism. Role of the M2 Layer in the Formation of Inhomogeneous Polytypes
Crystal Growth Long-Period Polytypes Mica Polytypism
2011/12/2
Abstract: A new model is proposed to explain, within the framework of the theory of spiral growth of Frank, the formation on inhomogeneous mica polytypes. This model relates the interaction and cooper...
Chlorite, Corrensite, and Chlorite-Mica in Late Jurassic Fluvio-Lacustrine Sediments of the Cameros Basin of Northeastern Spain
Cameros Basin Chlorite Chlorite-Mica Corrensite EMPA Low-Grade Metamorphism Sedimentary Facies Spain XRD
2011/12/6
Abstract: The distribution and crystal-chemical characteristics of chlorite, corrensite, and mica in samples from a stratigraphic profile in the Cameros basin are controlled by changes in the sediment...
A Synthetic Na-Rich Mica: Synthesis and Characterization by 27Al and 29Si Magic Angle Spinning Nuclear Magnetic Resonance Spectroscopy
KGa-1 MAS NMR Spectroscopy Metakaolinite Mica Na Mica Synthetic Clay Mineral
2011/12/7
Abstract: A swelling mica, Na2Mg3(Al2Si2)O10F2·xH2O, (hereafter “Na-4 mica”) was synthesized from metakaolinite + MgO and Mg aluminosilicate gels at different temperatures and durations using NaF flux...
Vibrational analysis of the dioctahedral mica: 2M1 muscovite
Vibrational analysis dioctahedral mica 2M1 muscovite
2012/3/31
Raman spectra and lattice dynamics calculations are presented for the dioctahedral mica, musco-
and B species were fitvite. Calculated fundamental mode frequencies for the Raman-active and A
to obs...
Interstratification in Expandable Mica Produced by Cation-Exchange Treatment
1H MAS NMR Spectra 23Na 29Si Cation Exchange Interstratification Migration
2011/12/8
Abstract: A unique interstratified expandable mica was obtained by cation exchange treatments using an expandable mica synthesized from talc. The 23Na magic angle spinning (MAS) nuclear magnetic reson...
Refined Relationships between Chemical Composition of Dioctahedral Fine-Grained Mica Minerals and Their Infrared Spectra within the OH Stretching Region. Part I: Identification of the OH Stretching Bands
Celadonite Glauconite Illite IR Spectra Leucophyllite OH Stretching Frequency
2011/12/9
Abstract: A large and representative collection of clay-size dioctahedral mica minerals differing in their chemical compositions has been studied by infrared (IR) spectroscopy in the OH stretching vib...
Intercalation of N-Alkyltrimethylammonium into Swelling Fluoro-Mica
Fluoro-Mica Intercalation N-Alkyltrimethylammonium XRD Cation Exchange
2011/12/27
Abstract: Trimethylammonium ions (TMA+) with formula CH3(CH2)n−1 N+(CH3)3, with n = 4, 8, 12, 16, 18 and 22 were intercalated into synthetic Li-fluorotaeniolite (Li-FTN) and Li-fluorohectorite (...
Formation of Mica During Experimental Alteration of K-Feldspar
Dissolution mechanism Experimental alteration Fibrous boehmite K-feldspar Mica
2011/12/28
Experimental alterations of K-feldspar in distilled-deionized water at 150°, 175°, 200°, and 225°C were performed. The alteration products and dissolution mechanism of K-feldspar were examined by X-ra...
Illite from the Potsdam Sandstone of New York: A Probable Noncentrosymmetric Mica Structure
Illite Mica Noncentrosymmetric Polytype Powder X-ray diffraction Space group C2
2011/12/1
Abstract: Illite from the Potsdam Sandstone (lower Ordovician) of Northwestern New York was studied by powder X-ray diffraction, scanning electron microscopy, and chemically analyzed and dated by the ...
Size of Mica Domains and Distribution of the Adsorbed Na-Ca Ions
Electrophoretic mobility Mica domains Photon correlation spectroscopy
2011/12/29
Mica domains have received less attention in the literature than smectite quasi-crystals. This study was conducted to determine whether mica crystals form domains in suspension, the conditions in whic...
Microtopography of Regularly-Interstratified Mica and Smectite
Au-decoration Electron microscopy Fundamental particles Interstratified mica/smectite Surface microtopography
2011/12/1
Abstract: The gold decoration technique of electron microscopy was used to observe the microtopography of natural (001) surfaces of 1:1 regularly-interstratified mica/smectite minerals (expandable lay...
Occluded Mica in Hydroxy-Interlayered Vermiculite Grains from a Highly-Weathered Soil
Electron microprobe High-resolution transmission electron microscopy Mica transformation Vermiculite
2011/12/1
Abstract: Hydroxy-interlayered vermiculite (HIV) is a ubiquitous phyllosilicate in the <0.05-mm fraction of sandy soils on the U.S. southeastern coastal plain. Extensive areas of soils with abundant H...
Synthesis of Expandable Fluorine Mica from Talc
Expandable mica Fluorine Intercalation Synthesis Talc
2011/12/30
Expandable fluorine micas were synthesized using talc and Na2SiF6 at 800亱C for 2 hours in air, nitrogen, argon, and under vacuum. Gaseous SiF4, generated from Na2SiF6, and the resultant amorphous sodi...