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Effect of SiO2/Al2O3 Ratio on the Thermal Reactions of Allophane. II. Infrared and X-Ray Powder Diffraction Data
Allophane Imogolite Infrared spectroscopy Silica/alumina ratio Thermal stability X-ray powder diffraction
2012/2/8
Allophanes with SiO2/Al2O3 molar ratios from 1.38 to 1.92 were heated at temperatures up to 500°C, and the changes induced were investigated by means of infrared spectroscopy (IR) and X-ray powder dif...
Effect of SiO2/Al2O3 Ratio on the Thermal Reactions of Allophane
Allophane Dehydration Dehydroxylation DTA Silica/alumina ratio Thermal reactions
2012/2/8
Differences were found in the differential thermal analysis curves and in the temperatures of new-phase development between allophanes of high (1.91–1.99) and low (1.47–1.53) SiO2/Al2O3 ratios. The en...