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Platinum group - Wikipedia

1. ^ Renner, H.; Schlamp, G.; Kleinwächter, I.; Drost, E.; Lüschow, H. M.; Tews, P.; Panster, P.; Diehl, M.; et al. (2002). "Platinum group metals and compounds". Ullmann's Encyclopedia of Industrial Chemistry. Wiley. doi:10.1002/14356007.a21_075. 2. ^ Harris, D. C.; Cabri L. J. (1991). "Nomenclature of platinum-group-element alloys; review and revision". The Canadian Mineralogist. 29 (2): 231–237.

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 behaviour of these metals is paradoxical

Separating the Platinum Group Metals by Liquid-Liquid ...

Separating the Platinum Group Metals by Liquid-Liquid Extraction NEW PROCESS HAS POTENTIAL ECONOMIC ADVANTAGES OVER CONVENTIONAL SELECTIVE PRECIPITATION By P. Charlesworth Marthc.! Kuqtenhurg Refiners (I’K) Limited, Ro>ston, England To extract the platinum group metals from ore, and to refine them to the very high purity required for their many applications,

A review of methods of separation of the platinum-group ...

A review of methods of separation of the platinum-group metals through their chloro-complexes Article in Reactive and Functional Polymers 65(3):205-217 · December 2005 with 130 Reads

Separating the Platinum Group Metals by Liquid–Liquid ...

It must allow separation of the platinum group metals from the base metals, where the major difference is in complex formation, and also separation of individual platinum group metals from each other, to a high degree of purity. The chloride system provides the most effective operating medium for platinum group metals and is widely used. The separation process chemistry considered here is ...

Platinium Group - Powerful ticketing software and web ...

Platinium Group (PG) occupies a prominent role in the ticketing industry. Interacting with some of the biggest names of the Sports and Entertainment businesses, the company provides its powerful technology to international event organisers across the world. PG also operates on the B2C market via its own ticketing brand - Gootickets.com - and on ...

US8062526B2 - Separation of platinum group metals - …

US8062526B2 - Separation of platinum group metals - Google Patents Separation of platinum group metals Download PDF Info Publication number US8062526B2. US8062526B2 US12/017,662 US1766208A US8062526B2 US 8062526 B2 US8062526 B2 US 8062526B2 US 1766208 A US1766208 A US 1766208A US 8062526 B2 US8062526 B2 US 8062526B2 Authority US United States Prior art …

WO1999014385A1 - Separation of platinum group metals ...

A hydrochloric acid solution containing platinum group metals has its acidity adjusted to 5.5 to 6.5M HC1 and its redox potential adjusted to at least 500mV, before being treated by chromatography. Particularly clean separation of at least Pt and Pd can be obtained, and recovered Pt and Pd of at least 99.99 % purity may be obtained by following conventional precipitation processes.

Chromatographic separation of platinum group metals …

Chromatographic separation of platinum group metals from simulated high level liquid waste using macroporous silica-based adsorbents. ... To separate platinum group metals (PGMs) from high level liquid waste, three novel macroporous silica-based adsorbents, namely, (Crea + Dodec)/SiO 2-P, (Crea + TOA)/SiO 2-P and (MOTDGA + TOA)/SiO 2-P, were synthesized by introducing extractants Crea (N′,N ...

What Are Platinum Group Metals (PGMs)? - ThoughtCo

The platinum group metals (PGMs) are six transitional metal elements that are chemically, physically, and anatomically similar. The PGMs are the densest known metal elements. Exceptionally rare, the six metals naturally occur in the same ore bodies. They are highly durable and, due to their high value, often recycled, giving them long life cycles.

Separation of platinum group metal ions by Donnan …

Membrane separation in flow injection systems. Fresenius' Journal of Analytical Chemistry 1995, 352 (3-4) , 271-302. DOI: 10.1007/BF00322225. Krystyna Pyrzyńska. Membrane method for preconcentrating and separating gold complexes from aqueous solutions containing other platinum group metals.

Original paper Platinum-group elements (PGE) and their ...

Original paper Platinum-group elements (PGE) and their principal carriers in metal-rich black shales: an overview with a new data from Mo–Ni–PGE black shales (Zunyi region, Guizhou Province, south China) Jan Pašava1*, Federica ZaccarInI2, Thomas aIGlsPerGer3, anna vymaZalOvá1

platinum group separation - bistroboulezausima.cz

2016-2-18 platinum group metals, but this is inefficient as far as the degree of separation is concerned. An improved process which makes use of liquid-liquid extraction has been developed to a pilot plant stage, and this paper highlights some of the chemical and process principles that underlie this method of separation. The platinum group metals platinum,

Kiss (groupe américain) — Wikipédia

Kiss est un groupe de rock américain, originaire de New York.Il est formé en janvier 1973 [2] par le guitariste Paul Stanley et le bassiste Gene Simmons.Très populaire à travers le monde, notamment grâce à leurs maquillages, leurs costumes extravagants, leurs nombreux effets spéciaux sur scène et la célèbre très grande langue de Gene Simmons, Kiss a vendu plus de 60 millions d ...

Extraction and separation of platinum, palladium and ...

Platinum group metals find extensive use in automobile catalysts, space materials and cancer therapy. Their natural resources are limited thus their recovery from the secondary sector has assumed a great significance. Liquid–liquid extraction provides an effective methodology for the said purpose. The present paper discusses the extraction behavior of platinum(IV), rhodium(III) and palladium ...

Thiodiphenol-Based n-Dialkylamino Extractants for ...

Five kinds of dialkylamino-modified thiodiphenols (2–6) were synthesized to elucidate the extraction of Pd(II) and Pt(IV) in HCl media by thiodiphenol-based n-dialkylamino extractants. Although the synthesized species 2–6 showed good solubility in hydrocarbon-based diluents such as kerosene, ShellSol D70, and ISOPAR M, the addition of n-octanol to the platinum group metals (PGMs ...

Recent Research in Solvent Extraction of Platinum Group …

Most of the refineries for platinum group metals (PGMs) in Japan have adopted solvent extraction methods for mutual separation of PGMs. Few effective extractants for industrial use have been found although some industrial processes were established in 1970's. Recently, some compounds have been reported as candidates for practical PGM extractants in addition to new concepts for PGM extraction ...

Selective and Preferential Separation of Rhodium (III ...

Although Rh is an industrially important and the most expensive platinum group metal (PGM), the selective and preferential separation of Rh from PGM mixtures still remains as a big challenge. In ...

How Is Platinum Extracted? | Reference.com

Because platinum is so rare, it must be extracted after being mined through a process that involves crushing it into incredibly small particles and separating these particles from one another. This is known as the flotation separation method, and produces a frothy layer of particles that can be skimmed to provide the extracted platinum.

platinum group separation

Platinum group chemical element group . Virtually all platinum-group metals are recovered from copper or nickel sulfide minerals, which are concentrated by flotation separation. Smelting of the concentrate produces a matte that is leached of copper and nickel sulfides in an autoclave. The solid leach residue contains 15 to 20 percent platinum-group

Separation of platinum group metal ions by Donnan …

OSTI.GOV Journal Article: Separation of platinum group metal ions by Donnan dialysis Title: Separation of platinum group metal ions by Donnan dialysis Full Record

platinum group magnetic separation - …

platinum group magnetic separation. Home - platinum group magnetic separation; Separating the Platinum Group Metals by Liquid … that underlie this method of separation. The platinum group metals platinum, palladium, rhodium, iridium, osmium and ruthenium together with silver and gold ... Get Price; Eriez Trap Magnets. Super B Model Traps For 2" (51 mm) through 4" (102 mm) Pipelines The ...

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RECYCLING OF PLATINUM GROUP METALS FROM AUTOMOTIVE ...

RECYCLING OF PLATINUM GROUP METALS FROM AUTOMOTIVE CATALYSTS BY AN ACIDIC LEACHING PROCESS R ... J. Antrekowitsch University of Leoben Abstract The platinum group metals (PGMs) palladium, platinum, and rhodium represent the key materials for automotive exhaust gas treatment. Since there are currently no adequate alternatives, the importance of these metals for the …

Separation of platinum group metals - Anglo American ...

02/04/2002· Prior proposals to use chromatographic separation for platinum group metals include U.S. Pat. No. 4,855,143 (Schmuckler) and EP 756013 (Matthey Rustenburg Refiners (Pty) Ltd). The latter represents a major step forward in the design of practical separation methods, but there remains a need for an improved method which is capable of the treatment of actual feedstocks from a PGM refinery, …

Queen — Wikipédia

Queen [k w i ː n] [5] Écouter est un groupe de rock britannique, originaire de Londres, en Angleterre.Il est formé en 1970 par Freddie Mercury, Brian May et Roger Taylor, ces deux derniers étant issus du groupe Smile.L’année suivante, le bassiste John Deacon vient compléter la formation. Les quatre membres de Queen sont tous des auteurs-compositeurs. ...

Integrated Ion Exchange and Liquid-Liquid Extraction ...

(1982). Integrated Ion Exchange and Liquid-Liquid Extraction Process for the Separation of Platinum Group Metals (PGM) Separation and Purification Methods: Vol. 11, No. 2, pp. 95-130.

Chromatographic separation of the platinum-group …

The major platinum-group elements (PGE) concentrations in layered intrusions are typically associated with zones in which the sulfide abundance begins to increase. In a number of layered intrusions, there is also a distinct stratigraphic separation in the peak concentrations of the PGE from those of the base metals, gold and sulfur through these zones.

(PDF) Chromatographic separation of the platinum …

Chromatographic separation of the platinum-group elements, gold, base metals and sulfur during degassing of a compacting and solidifying igneous crystal pile

The method of separation of aluminum oxide and …

Plenio as analogues, and to the prototype in terms of effectiveness of the separation of aluminum oxide and platinum group metals (example prototype p. 7 in the table). 1. The method of separation of aluminum oxide and platinum group metals contained in the exhaust catalysts, including the grinding of raw materials, mixing in the presence of additives with concentrated sulfuric acid, taken in ...