platinum group complex


Metal ammine complex

Platinum group metals form diverse ammine complexes. Pentaamine(dinitrogen)ruthenium(II) and the Creutz–Taube complex are well studied examples or historic significance. The complex cis -PtCl 2 (NH 3 ) 2, under the name Cisplatin, is an important anticancer drug.

Platinum-group element behavior in the lower part of the …

 · Analytical data for the platinum-group elements (PGE) and gold on 17 samples from sulfide-mineralized and -unmineralized rocks of the lower portion of the upper zone and two samples from the main zone of the eastern Bushveld Complex are presented. Almost all ...

The Platinum Group Element Deposits of the Bushveld …

Platinum group elements (platinum, palladium, rhodium, iridium, osmium and ruthenium). This term is used in geology as the elements generally occur in mineral, rather than metallic, form within an ore plagioclase An aluminium silicate mineral of the feldspar

Platinum-group minerals (PGM) in the Freetown Complex, Sierra Leone

Platinum-group minerals (PGM) in the Freetown Complex, Sierra Leone John F.W. Bowles1, Hazel M. Prichard2 and Peter C sher2 1Mineral Science Ltd., 109 Asheridge Road, Chesham, England HP5 2PZ 2Department of Earth Sciences, University of Cardiff, PO Box 914, Cardiff, Wales CF10 3YE

Extraction of Platinum Group Metals | IntechOpen

 · About 80% of the worlds'' reserves for platinum group metals (PGMs) are in South Africa''s Bushveld Igneous Complex. Processing of PGM involves comminution, flotation, smelting, converting, base metals refinery and precious metals refinery. Due to increasing chrome content in the feed and the challenges associated with operating high chrome feed, alternative routes to smelting of PGM are ...

Platinum group | chemical element group | Britannica

Platinum group, six metals, in order of increasing atomic weight, ruthenium (Ru), rhodium (Rh), palladium (Pd), osmium (Os), iridium (Ir), and platinum (Pt). The elements all possess a silvery white colour—except osmium, which is bluish white. The chemical

Platinum group elements in the Uitkomst Complex, …

Platinum group elements in the Uitkomst Complex, South Africa. Economic Geology and the Bulletin of the Society of Economic Geologists 99 (3), pp. 499-516. 10.2113/gsecongeo.99.3.0499

Platinum-Group Metal (PGM) Substituted Complex Oxide Catalysts

Platinum-group metal (PGM) substituted complex oxide catalysts Hydrogen Fuel Cells Seshadri – University of California 2 DOE Hydrogen and Fuel Cells Program 2013 Annual Merit Review and Peer Evaluation Meeting containing square planar and isoelectronic ...

Platinum-group element distribution in the Main Zone …

 · Platinum-group minerals in the middle group chromitite layers at Marikana, western Bushveld Complex: indications for collection mechanisms and postmagmatic modification Can. J. Earth Sci., 29 ( 1992 ), pp. 209 - 221

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Platinum Group Elements in the Uitkomst Complex, South …

The basal 300 m of the intrusion hosts disseminated Ni-Cu-platinum group element (PGE) sulfides (100 Mt at ca. 0.55% Ni, 0.17% Cu). In addition, several lenses of massive sulfides (2.9 Mt at 2.04% Ni, 1.13% Cu, and 6 ppm total PGE) are situated in the immediate floor of the intrusion.

Platinum Group Elements in the Uitkomst Complex, …

The basal 300 m of the intrusion hosts disseminated Ni-Cu-platinum group element (PGE) sulfides (100 Mt at ca. 0.55% Ni, 0.17% Cu). In addition, several lenses of massive sulfides (2.9 Mt at 2.04% Ni, 1.13% Cu, and 6 ppm total PGE) are situated in the immediate floor of the intrusion.

Platinum group element investigations in the area of the Mayville igneous complex…

232 Manitoba Geological Survey Platinum group element investigations in the area of the Mayville igneous complex, Manitoba (NTS 52L12): exploiting palladium''s mobility using humus samples by P. Theyer GS-21 Theyer, P. 2004: Platinum group element

Platinum Group of Metals (PGM) Occurrence and Future …

Platinum Group of Metals (PGM) Occurrence and Future Prospective in Ultramafic and Associated Rocks from Madaura-Ikauna-Pindar Tract in Madaura Igneous Complex: Signature of Plume Activity During Evolution of Bundelkhand Craton, Central India Singh PK*

Co-Generation Complex – Platinum Global Power Group …

Platinum Global Power has planned a 200-MW coal-fired co-generation complex in a joint-venture with an established chemicals and paper maker in certain region of China. The proposed facilities will re-power the existing plant as well as new installations for making ...

Platinum-group element mineralization in the Bushveld Complex

All the major deposits of the platinum-group elements (PGE) occur in mafic igneous intrusions. From an economic view point, there are two types, those where the PGE are the major commodity, such as in the Bushveld Complex, Stillwater

Platinum-group minerals within the Ballantrae …

 · Platinum-group minerals (PGM) are present within the chromitites of the northern serpentinite belt (Pinbain Bridge area) of the ophiolitic Ballantrae Complex. A relatively uncommon but moderately diverse PGM assemblage is dominated by small …

Platinum-Group Elements in Silicate Rocks of the Lower, …

Abstract Concentration patterns of platinum-group elements (PGE) in the Lower, Critical and Main Zones of the Bushveld Complex are modelled by a process of metal collection by segregating sulphide melt followed by fractional crystallization of monosulphide solid ...

Platinum Group Element

1.1.4.3.3.2 Platinum-group elements. PGEs, consist of Osmium (Os), Iridium (Ir), Ruthenium (Ru), Rhodium (Rh), Platinum (Pt), and Palladium (Pd). They are transition precious metallic elements with similar physical and chemical properties grouped together in the D-block in Groups 8, 9, and 10; and Periods 5, 6, and 7 of the Periodic Table.

Recovery of Platinum, Palladium, and Gold From Stillwater Complex Flotation Concentrate by …

platinum-group metals (PGM) and gold from Stillwater Complex flotation concentrate. The Stillwater Complex is the only major U.S. PGM re source. Development of a suitable extraction technique will contribute to its exploitation. The concentrate was ...

Comparative study of platinum‐group elements in the …

Abstract The Zambales Ophiolite Complex (ZOC), Philippines, includes two geochemically distinct, ophiolitic assemblages: the high-Al chromitite-bearing Coto Block and high-Cr chromitite-bearing Acoje Block. This paper reports a comparative platinum-group

Platinum group

Platinum-group element (PGE) mineralization in Alaskan-type complexes is invariably present in dunite units [1,2], occasionally in the vein-type settings associated with bodies of magnetite-rich clinopyroxenite in the dunite or peridotite core, in pegmatitic and micaceous rocks [3].

Platinum-Group Element Geochemistry in Chromitite and Related Rocks of the Bracco Gabbro Complex (Ligurian Ophiolites, Italy)

Platinum-Group Element Geochemistry in Chromitite and Related Rocks of the Bracco Gabbro Complex (Ligurian Ophiolites, Italy) Roberto Cabella1, Giorgio Garuti2, Massimo Oddone3 and Federica Zaccarini2 1Department for the study of the Territory …

The Platinum Group Element Deposits of the Bushveld Complex …

By R. Grant Cawthorn School of Geosciences, University of the Witwatersrand, Private Bag 3, Johannesburg 2050, South Africa; E-mmail: [email protected] There are enough platinum group element deposits in the Bushveld Complex in South Africa to

Trace Element and Platinum Group Element Distributions …

The Bushveld Complex (Fig. 1a and b) is the world''s largest resource of platinum group elements (Pt, Pd, Ru, Rh, Os and Ir; referred to as PGE), located in three main occurrences—the Merensky Reef, UG-2 chromitite and Platreef.

Platinum Metal Salts and Complexes

The first olefin complex of a platinum group metal to be discovered was Zeise''s salt, K[C,H, PtCl,]. For over a hundred years after its discovery in 1827 there was little further progress in this field, until the work of Kharasch and of Anderson in the

Platinum group element distribution in the lower and …

Barnes S-J, Naldrett AJ, Gorton MP (1986) The origin of the fractionation of platinum-group elements in terrestrial magmas. Chem Geol 53: 303–323 Google Scholar Coertze FJ, Schuman FW (1962) The basic portion and associated. minerals of the Bushveld Igneous Complex north of Pilanesberg.

Platinum-group minerals in the Jinchuan complex, China | …

Platinum-group minerals in the Jinchuan complex, China @inproceedings{Prichard2005PlatinumgroupMI, title={Platinum-group minerals in the Jinchuan complex, China}, author={H. Prichard and P. Fisher and I. …

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Platinum-group element remobilization and concentration …

T he platinum-group metals (PGM) are high-value industrial commodities that concentrate naturally in select geological environments. In particular, ore deposits of the platinum-group elements (PGE: Os, Ir, Ru, Rh, Pt, Pd) are known from layered mafic-ultramafic

Platinum Group Metals

 · Platinum Group Metals Ltd. is a mining company focused on the production of platinum and palladium. Our projects are located in the Bushveld Complex in South Africa, surrounded by 70% of the world''s platinum production.

The chemistry of guanidinate complexes of the …

 · In this Perspective article, recent advances in the chemistry of platinum group metal complexes containing mono- and dianionic guanidinate ligands, i.e. [(RN) 2 C–NR 2] − and [(RN) 2 C NR] 2−, respectively, are presented.Synthetic and structural …

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