Abstract The Vizcaino complex is characterized by tectonised harzburgites overlain by serpentinized dunite bodies and wherlites layers containing several cumulate chromitite deposits and by fractional crystallization sequences: cyclic repetititons of dunites, pyroxenites with pegmatoidal textures, and gabbros overlain by a succession of ...
2018-11-30· Platinum Group Metals Ltd. (PLG) negotiated the trading capacity of 582244 shares and observing the average volume of last three months the stock traded 1395.62K shares. The Stock has market cap of $45.07M and relative volume of 0.42.
Behaviour of platinum group elements in aquatic systems. Largely because of their use in the catalytic converter of motor vehicles, environmental concentrations of Rh, Pd and Pt (or the platinum group elements; PGE) have increased dramatically over the past two decades.
The 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 igneous intrusions. The common association of PGEs with sulfide minerals is a result of processes of magmatic and sulfide liquid segregation and fractionation.
Read "Geochemical behaviour of platinum-group elements (PGE) in particulate emissions by automobile exhaust catalysts: experimental results and environmental investigations, Science of the Total Environment" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.
The recovery and separation of platinum group metals (PGMs) are of considerable significance for metal sustainability. To establish an efficient extraction process for PGMs, the novel extractant N-[N,N-di(2-ethylhexyl)aminocarbonylmethyl] phenylalanine (D2EHAF), containing a phenylalanine moiety as the metal-affinity group, was synthesized.
Solubilities of platinum group metals (Pd, Rh, Pt) in several glasses were investigated by the use of optical absorption measurements. The concentrations of these ions in the glasses were determined by chemical analysis.
Platinum group metals are also components of many autocatalysts, converting car exhaust gases in to less harmful substance. And our fascination with platinum as a rare and robust metal continues. The term 'platinum blond' came about in the 1930's when actresses with platinum jewellery were the stars of newly invented talking pictures.
The 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 igneous intrusions.
Behaviour of Platinum Group Metals during Fuel Processing When spent nuclear fuel is reprocessed, the fuel pins are sheared into short lengths, and the fuel is dissolved away from the cladding into 7M nitric acid. During this operation, the uranium and plutonium oxides that are present dissolve, as do most of the fission products. There is, however, an insoluble residue which contains some of ...
Platinum group metals behaviour during iron precipitation and goethite seeding in nickel sulphate solution. Coetzee, Rje (2016-03) Thesis (MEng)--Stellenbosch University, 2016. Thesis. ENGLISH ABSTRACT: Platinum producers' base metal refineries leach converter matte to solubilise base metal sulphides and produce a platinum group metal residue. Nickel, cobalt and some of the iron present …
2018-11-12· Platinum group: 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 behaviour of these metals is paradoxical