15 research outputs found
Synthesis by coprecipitation of india-stabilized zirconia and codoping with MoO3, WO3, TaO2.5, or NbO2.5 for application as thermal barrier coatings
Full text linkCarbonate mineral identification and quantification in sediment matrices using diffuse reflectance infrared Fourier transform spectroscopy
No full textMechanism of unusual polymorph transformations in calcium carbonate: Dissolution-recrystallization vs additive-mediated nucleation
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Study of the structural properties and degradation of coated wood with polydopamine/hydroxyapatite/chitosan hybrid nanocomposite in seawater
No full textMonitoring Phase Transformations in Intact Tablets of Trehalose by FT-Raman Spectroscopy
No full textThe purpose of this study is to monitor phase transformations in intact trehalose tablets using FT-Raman spectroscopy. Tablets of trehalose dihydrate, amorphous trehalose (obtained by freeze-drying aqueous trehalose solutions), and anhydrous trehalose (β-trehalose) were prepared. The tablets were exposed to different conditions [11% and 0% RH (60°C); 75% RH (25°C)] and monitored periodically over 96 h using Raman spectroscopy. Within 96 h of storage, the following phase transformations were observed: (1) trehalose dihydrate → β-trehalose (11% RH, 60°C), (2) trehalose dihydrate → α-trehalose (0% RH, 60°C), (3) β-trehalose → trehalose dihydrate (75% RH, 25°C), and (4) amorphous trehalose → trehalose dihydrate (75% RH, 25°C). FT-Raman spectroscopy was a useful technique to identify the solid form and monitor multiple-phase transformations in intact trehalose tablets stored at different conditions
Investigation on the Effectiveness of Aqueous Carbonated Lime in Producing an Alternative Cementitious Material
No full textFormation of calcium carbonates from Ca(OH)2-H2O-supercritical CO2 using a rapid spraying method
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