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Stimulating Modification of Spectral and Kinetic Characteristics of Diamonds by Hydrophobization of Luminophores
AbstractThe integrated thermodynamic calculations and spectral analyses validated concentrations of hydrophobization agents (butyl xanthate and...
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Selecting Organic Collectors for Luminophore-Bearing Modifying Agents to Extract Weakly Fluorescent Diamonds
AbstractThe authors have correlated the fluorescence spectrum with the spectrum and kinetics of X-ray luminescence of organic collectors. The...
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Modification of Diamond Spectrum Pattern Using Luminophore-Containing Agents with Zinc and Cadmium Chalcogenides
AbstractThe authors study the processing behavior of luminophore-containing blends of zinc and cadmium chalcogenides with a view to using them for...
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Hydrophobic Interactions in the Diamond–Organic Liquid–Inorganic Luminophore System in Modification of Spectral and Kinetic Characteristics of Diamonds
AbstractThe authors studied theoretically and experimentally the compositions of luminophores in modification of spectral characteristics of...
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Stimulation of Separation of Difficult Diamond-Bearing Raw Materials from Primary, Placer and Manmade Deposits
AbstractThe article describes the studies into the current flow charts available for processing diamond-bearing kimberlites of complex material...
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Selecting Luminophore-Bearing Modifying Agents to Adjust Spectral Characteristics of Diamonds
AbstractThe modification procedure for the kinetics and spectral characteristics of fluorescent diamonds using luminophores ensures the simultaneous...
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Modification of Properties of High Luminous Diamonds with Luminophore-Bearing Compositions towards Enhanced Selectivity of X-Ray Luminescence Separation
AbstractThe found interaction mechanism between a mineral–diamond mixture and a modifying agent includes the stage of adhesive attachment of...
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Selective Attachment of Luminophore-Bearing Emulsion at Diamonds—Mechanism Analysis and Mode Selection
The authors present an efficient modification method of X-ray fluorescence separation with mineral and organic luminophores used to adjust spectral...
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Investigation of Surakhani light crude oil compounds as a case study using modern spectroscopic techniques
The complex application of modern analysis methods (FT-IR, NMR, GC–MS and UV/Vis) allowed us to study in detail the composition of the crude...
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Experimental Substantiation of Luminophore-Containing Compositions for Extraction of Nonluminescent Diamonds
The procedure is developed for modification of diamond surface by luminophore-containing organic compositions. The compositions are composed of an...
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Stimulation of Leaching of Rare Earth Elements from Ash and Slag by Energy Impacts
AbstractThe authors describe the studies into nitrate leaching of rare earth elements (REE) from ash and slag. The morphology, texture and structure...
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Experimental Justification of Luminophore Composition for Indication of Diamonds in X-Ray Luminescence Separation of Kimberlite Ore
Organic and inorganic luminophores of similar luminescence parameters as diamonds are selected. Indicators, based on the selected luminophores, are...
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Sediment reworking by a polychaete, Perinereis aibuhitensis, in the intertidal sediments of the Gomso Bay, Korea
Bioturbation, especially sediment reworking by the activities of macroinvertebrates, such as feeding and burrowing, is one of the major processes...
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Fluorescence of dissolved organic matter as a marker for distribution of desalinated waters in the Kara Sea and bays of Novaya Zemlya archipelago
The optical properties and distribution of dissolved organic matter in the surface waters of the Kara Sea and bays of Novaya Zemlya archipelago were...
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Tritium in the snow cover at mid-taiga landscapes in central Yakutia
The paper presents data on the distribution of tritium, a hydrogen radioactive isotope, in the snow cover of mid-taiga landscapes in central Yakutia....
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Thermodynamics of arsenates, selenites and sulfates in the oxidation zone of sulfide ores: XII. Mineral equilibria in the Cd–Se–H2O system at 25°C
Understanding the mechanisms of cadmium and selenium behavior under near-surface conditions is very important for solving certain environmental...
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Mineral resources of high-tech metals in Russia: State of the art and outlook
Seven main ore-forming systems—porphyry and epithermal; orogenic related to granitic intrusions; magmatic ultramafic; volcanic-hosted massive sulfide...
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UV-Spectral Luminescence Scanning: Technical Updates and Calibration Developments
Spectral luminescence scanning (SLS) is a novel technique that uses a UV light source and line-scan camera to generate photoluminescence images of...
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Thermodynamics of arsenates, selenites, and sulfates in the oxidation zone of sulfide ores. IX. Physicochemical formation conditions and thermal stability of zinc selenites
The aim of this study is to create a physicochemical analysis of the formation conditions of synthetic zinc selenite, ZnSeO 3 · 2H 2 O and an...
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Possibilities of the photoluminescence method for determining the oxygen concentration in the redox zone of the Black Sea in comparison with other methods
Different methods of measuring low oxygen concentrations were compared in July 2008 in the Black Sea: the conventional Winkler method,...