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PERSPECTIVES ON PLATINUM GROUP ELEMENTS
La Chimica e l'Industria, 2023Platinum Group Elements (PGE), a group of metals with unique physico-chemical and catalytic properties, are used in different strategic technologies and their importance in modern chemical industry is outstanding. The present article aims at a concise update concerning main current and future uses, production, resources, and recycling prospects.
Cremona, Alberto, Ballarini, Nicola
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Platinum Group Elements Mineralization
2020Platinum group element (PGE) mineralization is associated with ultramafic and mafic rocks. There are three major types of PGE mineralization in Mongolia. The most common is (1) PGE mineralization related to ophiolites and includes podiform chromite, (2) PGE in layered gabbro intrusion, and (3) PGE-Au placer.
Baasandorj Altanzul, Ochir Gerel
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An Examination of Platinum-Group Element Thiospinels
The Canadian Journal of Mineralogy and Petrology, 2023Abstract A review and discussion of platinum-group element thiospinels is presented, the context of which is a proposal accepted by the Commission of New Minerals, Nomenclature and Classification (voting proposal 17-H) made for the redefinition of cuproiridsite (ideally CuIr2S4), cuprorhodsite (ideally CuRh2S4), and malanite (ideally ...
Louis J. Cabri +3 more
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Platinum group elements in the environment and their health risk
Science of The Total Environment, 2004Accumulation of platinum group elements (PGEs) in the environment has been increased over the time. Catalytic converters of modern vehicles are considered to be the main sources of PGE pollution, since the correlation is between the Pt:Rh ratios in various environmental compartments and in converter units.
Ravindra, Khaiwal +2 more
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Platinum Group Elements in the Feathers of Raptors and Their Prey
Archives of Environmental Contamination and Toxicology, 2002Platinum (Pt), palladium (Pd), and rhodium (Rh) concentrations were determined in the feathers of three raptor species in Sweden, the sparrowhawk ( Accipiter nisus), the peregrine falcon ( Falco peregrinus), and the gyrfalcon ( Falco rusticolus), as well as the main prey of the sparrowhawk (the house sparrow, Passer domesticus) and the gyrfalcon (the ...
K H, Jensen +3 more
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A survey of the determination of the platinum group elements
Talanta, 1987The platinum-group metals (PGMs), Ru, Rh, Pd, Os, Ir and Pt, are widely used as catalysts in petroleum and chemical processes. They find wide applications in automotive exhaust-gas control converters and are of immense importance to the electronics industry.
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1993
Platinum group elements are ruthenium, rhodium and palladium (of similar weight as, but lighter than silver, the next element in the periodic table by atomic number) and osmium, iridium and platinum (of similar weight as, but lighter than gold, the next element in the periodic table by atomic number). As opposed to gold and silver, known probably since
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Platinum group elements are ruthenium, rhodium and palladium (of similar weight as, but lighter than silver, the next element in the periodic table by atomic number) and osmium, iridium and platinum (of similar weight as, but lighter than gold, the next element in the periodic table by atomic number). As opposed to gold and silver, known probably since
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Platinum Group Elements in the Environment: Emissions and Exposure
2008PGEs (Pt, Pd, Ru, Ir, and Os) are a relatively new group of anthropogenic pollutants. Specific useful properties of these metals (high resistance to chemical corrosion over a wide range of temperatures, high melting point, high mechanical resistance, and high plasticity) have fomented rapid growth of new and existing applications in various economic ...
Aleksandra, Dubiella-Jackowska +2 more
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Platinum-Group Elements in Cosmochemistry
Elements, 2008In a cooling solar nebula, five of the six platinum-group elements (PGE) condense as refractory-metal alloys at temperatures above the condensation of Fe-Ni metal. Non-refractory Pd condenses in solid solution with Fe-Ni. Such refractory alloys are preserved in some meteorites, although they are often highly altered.
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Ore Deposits of the Platinum-Group Elements
Elements, 2008The formation of ore deposits of the platinum-group elements (PGE) requires that their concentrations be raised about four orders of magnitude above typical continental crustal abundances. Such extreme enrichment relies principally on the extraction capacity of sulfide liquid, which sequesters the PGE from silicate magmas.
J. E. Mungall, A. J. Naldrett
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