Zereini F Skerstupp B Alt F Helmers E Urban H 1997b Geochemical behaviour of platinum group elements PGE in particulate emissions by automobile exhaust catalysts experimental results and environmental investigations Sci Total Environ 206 137 146 CAS Google Scholar
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Get PricePlatinum Group Element distributions are irregular with typical PGE grades varying from 2 to 5 ppm but these may vary from < to 15 ppm and occasionally reach up to 50 ppm Buchanan et al 1981 Cawthorn and Lee 1998 Hutchinson and Kinnaird 2024 McDonald et al 2024 Holwell et al 2024 Maier et al 2024
Get PriceOne conclusion that can be drawn from the article is that the further elaboration of the complexity of platinum group metal catalysts goes hand in hand with the selectivity of the particular organic transformation being catalyzed Address correspondence to this author E mail cmi pkettler Telephone 410 398 7200 Fax 410 398 4488
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Get PriceTHERE is little known about the chemical behaviour of the platinum group metals in the ocean Here we have used cathodic stripping voltammetry 1 to determine the concentration of
Get Price1 Introduction [2] The continental crust is severely depleted in platinum group elements PGE Ru Rh Pd Os Ir Pt relative to the Earth s core and mantle and contains <‰ of the terrestrial PGE budget This depletion reflects the siderophile and chalcophile nature of PGE as well as their compatible behavior during mantle melting [ Hart and Ravizza 1996]
Get PriceA commercial pyrometallurgical process for the extraction of platinum group metals PGM from a feedstock slag was analysed with the use of a model based on computational fluid dynamics The results of the modelling indicate that recovery depends on the behaviour of the collector phase
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Get PriceThe increasing use of automobile catalysts leads to the emission of the platinum group elements PGE platinum rhodium and palladium into the environment Experiments were conducted in order to assess the possibility of their mobility caused by species transformation Soil material was contacted with a ground catalyst and after varying parameters such as pH chloride or sulfur concentration
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Get PricePlatinum group element behavior in the lower part of the upper zone eastern Bushveld Complex implications for the formation of the main magnetite layer Dirk M W Harney Roland K W Merkle Gerhard Von Gruenewaldt Economic Geology 1990 85 8 1777 1789 https //// Article history Cite Share Tools Abstract
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Get PriceThe largest and most significant type of geological deposit of platinum group elements PGEs is that associated with magmatic base metal sulfide minerals in layered mafic or ultramafic
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Get PricePlatinum group metals PGMs are often thought of as exotic Yet according to the International Platinum Group Metals Association IPA one quarter of all manufactured goods either contain a PGM or a PGM played a key role in its production That isn t surprising given that PGMs are the densest known versatile properties of this unique group of elements are valued in a
Get PriceRubén Piña Fernando Gervilla Hassan Helmy Raúl Fonseca Chris Ballhaus Partition behavior of platinum group elements during the segregation of arsenide melts from sulfide magma American Mineralogist2020 105 12 1889 1897 doi https ////am 2024 7477 Download citation file Ris Zotero Refmanager EasyBib Bookends
Get PriceThe behaviour of platinum group elements in basalts from the East Greenland rifted margin Peter Momme Christian Tegner Kent C Brooks Reid R Keays Contributions to Mineralogy and Petrology 143 133 153 2024 Cite this article 221 Accesses 87 Citations Metrics Abstract
Get Pricehigh temperature properties and alloying behavior of the refractory platinum group metals :24 phase studies transition metals alloys platinum atomic structure heat resistant alloys platinum alloys heat resistant metals crystal lattices
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Get Pricemisc{etde 5306207 title = {Cation exchange behaviour of the platinum group and some other rare elements in hydrobromic acid thiourea acetone media} author = {Weinert C and Strelow F } abstractNote = {Ion exchange distribution coefficients and elution curves are presented for copper I silver gold I palladium platinum II rhodium III iridium III ruthenium III osmium
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