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A correlation between hydroxyl vibrations under compression and anharmonicity: glaucophane as a test case
The infrared hydroxyl bands and first hydroxyl combination bands of glaucophane are characterized under pressure. In this weakly hydrogen-bonded...
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Ammonium Impacts on Vibrations of Hydroxyl and Lattice of Phengite at High Temperature and High Pressure
Dehydration in hydrous phases of the downgoing slab controls water release processes in subduction zones. Interplay between volatiles in hydrous...
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Sorption of Rare Earth Elements by Organic Matter from Aqueous Solutions according to Experimental Data
AbstractIt is shown by laboratory experiments that peat, brown coal and its organomineral components, and microscopic fungi extracted from brown...
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In-situ high-pressure and high-temperature spectroscopic studies of phengite in ultrahigh-pressure eclogite: implications for water transport during ultra-deep continental subduction
Pressure and temperature responses of natural phengite [K 0.93 Na 0.03 (Al 1.46 Mg 0.45 Fe 0.09 )(Si 3.59 Al 0.39 Ti 0.02 )O 10 (OH 1.94 F 0.06 )] in ultrahigh-pressure...
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Elemental Composition and Structure of Humic Acids in Virgin and Arable Soddy-Podzolic Soils of the Cis-Urals
AbstractThe elemental composition and structure of humic acids isolated from virgin and arable soddy-podzolic soils (Eutric Albic Retisols (Abruptic,...
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Investigation the changes in the concentration of dye organic pollutant using magnetic titania nanoparticles incorporated on surface of graphene oxide
In this study, in order to prepare magnetic nanocomposite, TiO 2 nanoparticles and Fe 3 O 4 nanoparticles are uniformly synthesized on the surface of...
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The Kaolin Group: Hydroxyl Groups
This chapter gives an overview of how infrared and Raman spectroscopy have helped in gaining a better understanding of the behaviour of hydroxyl...
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Effects of Different Concentrations of Weak Acid Fracturing Fluid on the Microstructure of Coal
As a crucial factor that influences the hydraulic fracturing effectiveness of coal seams, fracturing fluids have garnered increasing attention. Among...
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Cacoxenite—a Complex Phosphate with a Modular Structure
AbstractThe crystal chemical peculiarities of cacoxenite from the Těškov quarry (Bohemia, Czech Republic) are studied using single crystal X-ray...
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Oxidation processes and thermal stability of actinolite
Understanding the thermal behaviour of iron-containing amphiboles (AB 2 C 5 T 8 O 22 W 2 , C 5 = M (1) 2 M (2) 2 M (3)) at atomic-level scale may have important...
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Raman spectroscopic constraints on compression and metastability of the amphibole tremolite at high pressures and temperatures
Amphiboles, containing up to 2 wt% water in the form of hydroxyl units, contribute significantly to water transport into the deep lithosphere and...
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Raman Spectroscopy of Isomorphic Substitutions in the Structure of Jarosite Formed During Pressure Oxidation of Refractory Gold Ores
This paper presents the results of studies of solid solutions of jarosite formed during pressure oxidation of flotation concentrates of the Malomyr...
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Silicon Incorporation Reduces the Reactivity of Short-range Ordered Aluminosilicates Toward Organic Acids
The structure and composition of short-range ordered aluminosilicates (SROAS) may control their affinity for organic acids with potential effects on...
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Assessment of new spectral indices and multi-seasonal ASTER data for gypsum map**
Advanced spaceborne thermal emission and reflection radiometer (ASTER) data and different spectral indices were employed to map gypsum minerals....
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The effect of weathering on clay mineralogy of Plio-Quaternary sediments and the overlying material on SE slopes of Medvednica Mt., Croatia
Clay mineralogy of Plio-Quaternary sediments of SE slopes of Medvednica Mt. was compared to that of the overlying weathering horizons. Three...
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Decomposition of lignin and carbohydrates in a rewetted peatland: a comparative analysis of surface water and anaerobic soil layers
The rewetting of long-term drained peatlands leads to the development of eutrophic shallow lakes, gradually inhabited by reed communities. These...
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Microstructure Evolution of Bituminous Coal Modified by High-Pressure CO2 Foam Fracturing Fluid with Different Treatment Times
The microstructure of bituminous coal can be changed significantly due to injection of CO 2 foam fracturing fluid into the coal seam, affecting CBM...
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Iowaite from the Udachnaya Kimberlite Pipe, Yakutia: Crystal Chemistry and Postcrystallization Transformations
AbstractAn atypical variety of iowaite with an extremely low content of divalent cations (Mg + Fe 2+ )/Fe 3+ of ~2.75 : 1 is identified in a late...
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Manganese Sturmanite from the N’Chwaning 2 Mine, Kalahari, South Africa
AbstractThe oxidation state of Mn is determined for the first time by iodine titrimetry, and the Mn 4+ /Mn 3+ ratio (54/46%) is identified for...
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Efficient cleanup of emerging contaminants by green biosynthesized Z-scheme-type Bi2O3@CdS nanocomposite with improved photoactivity
Paracetamol (PCM) and diclofenac (DCF) are extensively used analgesic and antipyretic drugs over the counter. Their increasing levels in water bodies...
