separation platinum metals
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separation platinum metals

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

The platinum group metals platinum, palladium, rhodium, iridium, osmium and ruthenium together with silver and gold generally occur in nature associated with the major base metals iron, copper, nickel and cobalt and a wide range of minor elements such as lead, tellurium, selenium and arsenic, and both technical and commercial considerations demand that the individual platinum group metals be separated

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Modeling of Separation of Platinum Metals by Counter ...

using the calculation program for the separation of platinum metals by the dynamic counter-current extraction. Earlier the systems involving ionic liquids, which were called binary extractants (salts of organic acids with organic bases) for the extraction and separation of platinum metals have been examined [15, 16].

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

01-12-2005  Abstract. The platinum-group metals (PGM) are technologically important metals which are becoming increasingly relevant in reducing harm to the environment. The separation and purification of the PGM is largely carried out by exploiting differences in the chemistry of their anionic chloro-complexes.

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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 forma- tion, and also separation of individual platinum group metals from each other, to a high degree of purity. The chloride system provides the most effec- tive operating medium for platinum group

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Separation of Platinum Group Metals (PGM) from Liquid

Separation of Platinum Group Metals (PGM) from Liquid Media Technetium (particularly Tc7+), ruthenium (particularly Ru4+), rhodium (particularly Rh4+ and Rh3+), rhenium (particularly Re7+), and iridium (particularly Ir4+ and Ir3+) can be ionically grouped with the Platinum Group Metals (PGM) because they form stable oxyanion complexes 43

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Platinum metals-solution chemistry and separation

The effects of knowledge of the solution chemistry of the platinum metals on their separation by solvent extraction and ion-exchange methods are reviewed, for the period 1950-1983. The review concentrates on the chloro-complexes of these metals and indicates those areas which need more investigation or interpretation to provide adequate separational methods.

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GB9918437D0 - Separation of platinium group metals ...

Separation of platinum group metals. NZ505991A NZ505991A (en) 1999-08-05: 2000-07-26: Interseparation of iridium from other platinum group metals US09/627,054 US6365049B1 (en) 1999-08-05: 2000-07-27: Separation of platinum group metals

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Selective Separation of Platinum Group Metals via ...

Mutual separation of platinum group metals (PGMs) is a particularly challenging issue in metal recovery technology.

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Separation and preconcentration of platinum-group

Separation and preconcentration of platinum-group metals from spent autocatalysts solutions using a hetero-polymeric S, N-containing sorbent and determination by high-resolution continuum source graphite furnace atomic absorption spectrometry. Talanta. 2016 Oct 1;159:103-110. doi: 10.1016/j.talanta.2016.06.003. Epub 2016 Jun 6.

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GB9918437D0 - Separation of platinium group metals ...

Separation of platinum group metals. NZ505991A NZ505991A (en) 1999-08-05: 2000-07-26: Interseparation of iridium from other platinum group metals US09/627,054 US6365049B1 (en) 1999-08-05: 2000-07-27: Separation of platinum group metals

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A Procedure for the Separation of the Six Platinum Metals ...

PLATINUM METALS. 1969,,, 524-553. DOI: 10.1016/B978-0-08-012921-1.50023-0. S.K. Nath, R.P. Agarwal. Paper chromatographic separation of the platinum metals. Microchemical Journal 1966, 11 (4) , 472-475. DOI: 10.1016/0026-265X(66)90029-4.. REFERENCES. 1966,,, 575-593.

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Separation of Platinum Group Metals (PGM) from Liquid

Separation of Platinum Group Metals (PGM) from Liquid Media Technetium (particularly Tc 7+ ), ruthenium (particularly Ru 4+ ), rhodium (particularly Rh 4+ and Rh 3+ ), rhenium (particularly Re 7+ ), and iridium (particularly Ir 4+ and Ir 3+ ) can be ionically grouped with the Platinum Group Metals (PGM) because they form stable oxyanion complexes

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Modeling of Separation of Platinum Metals by Counter ...

using the calculation program for the separation of platinum metals by the dynamic counter-current extraction. Earlier the systems involving ionic liquids, which were called binary extractants (salts of organic acids with organic bases) for the extraction and separation of platinum metals have been examined [15, 16].

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Separation and purification of platinum group metals

01-04-2021  Selective separation of platinum group metals via sequential transport through polymer inclusion membranes containing an ionic liquid carrier ACS Sustain. Chem.

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Selective Separation of Platinum Group Metals via ...

Mutual separation of platinum group metals (PGMs) is a particularly challenging issue in metal recovery technology. In this study, we report the successful separation of Pt(IV), Pd(II), and Rh(III) by sequential transport through polymer inclusion membranes (PIMs) containing the ionic liquid trioctyl(dodecyl) phosphonium chloride (P88812Cl) as a metal carrier.

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US7354517B2 - Separation of platinum group metals -

Other platinum group metals can also be separated, both from one another and from base metals. A process for the chromatographic interseparation of rhodium in admixture with at least one base metal...

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Platinum metals-solution chemistry and separation

The effects of knowledge of the solution chemistry of the platinum metals on their separation by solvent extraction and ion-exchange methods are reviewed, for the period 1950-1983. The review concentrates on the chloro-complexes of these metals and indicates those areas which need more investigation or interpretation to provide adequate separational methods.

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Highly selective separation of individual platinum group ...

Highly selective separation of individual platinum group metals (Pd, Pt, Rh) from acidic chloride media using phosphonium-based ionic liquid in aromatic diluent †. Viet Tu Nguyen,ab Jae-chun Lee ,*ab Alexandre Chagnes,c Min-seuk Kim,ab Jinki Jeong ab and Gérard Cote c. Author affiliations.

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A Procedure for the Separation of the Six Platinum Metals ...

PLATINUM METALS. 1969,,, 524-553. DOI: 10.1016/B978-0-08-012921-1.50023-0. S.K. Nath, R.P. Agarwal. Paper chromatographic separation of the platinum metals. Microchemical Journal 1966, 11 (4) , 472-475. DOI: 10.1016/0026-265X(66)90029-4.. REFERENCES. 1966,,, 575-593.

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Separation of Platinum Metals Using the Ring-Oven ...

OSTI.GOV Journal Article: Separation of Platinum Metals Using the Ring-Oven Technique Title: Separation of Platinum Metals Using the Ring-Oven Technique Full Record

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Platinum metals-solution chemistry and separation

The effects of knowledge of the solution chemistry of the platinum metals on their separation by solvent extraction and ion-exchange methods are reviewed, for the period 1950-1983. The review concentrates on the chloro-complexes of these metals and indicates those areas which need more investigation or interpretation to provide adequate separational methods.

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SEPARATION OF PLATINUM METALS FROM SPENT

deposited valuable platinum metals. The spent catalysts are solid waste and also the rich raw material for recovery of precious metals. The aim of this paper is a separation of present precious metals from spent catalysts. Samples of spent catalysts were used for laboratory experimental researches with the following average content of platinum

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The separation and determination of the platinum

This report records procedures for the determination of microgram quantities of the six platinum metals. The methods will have application to the analysis of small crystals of the minerals of the platinum group, particularly iridosmines and to the analysis of the “insoluble” portion of assay buttons and beads. The scheme incorporates several new methods of separation and makes use of a ...

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The Separation of Platinum Group Metals (PGM) in

(1980). The Separation of Platinum Group Metals (PGM) in Chloride Media by Isothiouronium Resins. Separation and Purification Methods: Vol. 9, No. 2, pp. 209-265.

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Highly selective separation of individual platinum group ...

Highly selective separation of individual platinum group metals (Pd, Pt, Rh) from acidic chloride media using phosphonium-based ionic liquid in aromatic diluent †. Viet Tu Nguyen,ab Jae-chun Lee ,*ab Alexandre Chagnes,c Min-seuk Kim,ab Jinki Jeong ab and Gérard Cote c. Author affiliations.

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The separation and determination of the platinum metals ...

adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A

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THE SEPARATION OF SMALL AMOUNTS OF THE

Download Citation THE SEPARATION OF SMALL AMOUNTS OF THE PLATINUM METALS: 1. THE COLORIMETRIC DETERMINATION OF RHODIUM AND ITS SEPARATION FROM IRIDIUM A method for separating small amounts of ...

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Separation/recycling methods for homogeneous

Transition metals and especially platinum group metals are used extensively as catalysts. They are expensive and there are strict regulations on the permitted levels of these metals in pharmaceutical products. Therefore, their effective separation is required. Moreover, we are running short of these and many other valuable metals.

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