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Synthesis of Pure Zeolite X from Palygorskite Clay Using a Two-Stage Method
Palygorskite Clay Synthesis Two-Stage Method Zeolite X
2011/11/14
A natural mineral, palygorskite clay, was used to synthesize pure zeolite X via a two-stage method. The synthetic parameters, such as calcination, crystallization time, and SiO2/Al2O3 molar ratio, wer...
Thermal analysis and Hot-stage Raman spectroscopy of the basic copper arsenate mineral
Copper Arsenate Olivenite Cornwallite Cornubite Clinoclase thermal stage Raman spectroscopy Euchroite
2011/11/10
The thermal analysis of euchroite shows two mass loss steps in the temperature range 100–105 °C and 185–205 °C. These mass loss steps are attributed to dehydration and dehydroxylation of the mineral. ...
Thermogravimetric analysis and hot-stage Raman spectroscopy of cubic indium hydroxide
Thermogravimetry Hot-stage Raman spectroscopy Indium hydroxide Indium oxide
2011/11/10
The transition of cubic indium hydroxide to cubic indium oxide has been studied by thermogravimetric analysis complimented with hot-stage Raman spectroscopy. Thermal analysis shows the transition of I...
OLIGOCENE CLAY MINERALOGY OF THE LINXIA BASIN:EVIDENCE OF PALEOCLIMATIC EVOLUTION SUBSEQUENT TO THE INITIAL-STAGE UPLIFT OF THE TIBETAN PLATEAU
China Clay Minerals Linxia Basin Oligocene Palygorskite Tibetan Plateau Uplift
2011/11/11
The clay mineral content of the Oligocene sediments in the Linxia basin has been investigated using X-ray diffraction, scanning electron microscopy, and high-resolution transmission electron microscop...
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...
The System SiO2-AlOOH-Fe2O3-H2O and the Kaolinitic Stage of the Goethite Facies
SiO2-AlOOH-Fe2O3-H2O Kaolinitic Stage Goethite Facies
2012/2/15
A 25°C, 1 atm total pressure phase diagram for the system SiO2-AlOOH-Fe2O3-H2O, is determined using the Phase Rule and Shreinemaker's technique as in Chesworth (1974). The water-present assemblages so...