platinum group containing

Abstract. Ligands containing benzothiazole moiety upon reaction with arene platinum group metal precursors in dry methanol yielded cationic complexes 1–9 having N∩N bonding mode. The general formulation of the complexes is presented as [(arene)M(κ 2 N∩N-L)Cl] +, where L = L1, L2 and L3, M = Ru, Rh and Ir, and arene = p-cymene and …

When one examines the platinum group metal oxides literature, there exists a multitude of complex iridates, ruthenates, and platinates, whereas, complex palladium oxides, containing palladium in the +2 to +4 oxidation …

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 …

A method is provided for the dissolution of at least one precious metal selected from the group consisting of platinum group metals, gold and silver. The method comprises subjecting a material containing at least one of the precious metals to dissolution with a sulfuric acid solution maintained at a pH at least sufficient to complex the precious metal …

The partitioning of platinum group metal (PGM) additions in polycrystalline Ni-base superalloys has been investigated. Alloys with a baseline composition of 15Al-5Cr-1Re-2Ta-0.1Hf (at.%) with systematic variations in Pt, Ir, Ru and W were cast and heat-treated to produce bimodal two-phase c-c 0 microstructures.

Sep 30 2021. Palladium has become a popular precious metal in recent years because of its price increase. It reached a record-high of $3,017 per troy ounce on May 4, 2021. You may be interested to know that …

RECOVERY AND SEPARATION OF PLATINUM GROUP METALS USING IMPREGNATED RESINS CONTAINING ALAMINE 336. M. Rovira Department of Chemical Engineering, ETSEIB ... (II) pt(IV) and RH (III) from hydrochloric acid media using impregnated resins containing Alamine 336 impregnated onto Amberlite XAD2 were …

The platinum group elements include: ruthenium (44), rhodium (45), palladium (46), osmium (76), iridium (77) and platinum (78). Of these elements, only platinum and palladium are found in a pure form in …

1. Introduction. Platinum group metals (PGMs) are a group of six elements, namely iridium (Ir), osmium (Os), platinum (Pt), palladium (Pd), rhodium (Rh) and ruthenium (Ru) [1, 2].PGMs together with gold and silver are classified as noble or precious metals because of their high corrosion and oxidation resistance [1, 2, 3].The …

According to the above results, the ideal PGMs collection performance could be achieved by smelting at 1250 °C for 2 h in N 2 with the mass ratios of nickel matte, Na 2 B 4 O 7 and Na 2 CO 3 to spent catalyst of 1.25, 0.575 and 0.125, respectively. The corresponding optimal sample volume was ~55 mL.

The six PGMs are: Platinum (Pt) Palladium (Pd) Iridium (Ir) Rhodium (Rh) Osmium (Os) Ruthenium (Ru) What are the 6 Platinum Metals? The PGMs are noble metals that are close to each other on the …

The synthetic calibration standards were then employed as calibrators for quantitative determination of platinum group elements in two natural chalcopyrite samples. The valid results demonstrated that our synthetic standards could be considered for quantitative microanalysis of platinum group elements in natural sulfide-containing …

The catalytic properties of the six platinum group metals (PGM)– iridium, osmium, palladium, platinum, rhodium, and ruthenium – are outstanding. Platinum's wear and tarnish resistance characteristics are well suited for making fine jewelry. Other distinctive properties include resistance to chemical attack, excellent high-temperature ...

The list of PGMs is: Iridium (Ir) Osmium (Os) Palladium (Pd) Platinum (Pt) Rhodium (Rh) Ruthenium (Ru) Alternate Names: The …

The platinum group metals (PGMs), which include platinum, palladium, rhodium, ruthenium, osmium, and iridium, have held a long-standing allure and have …

The platinum group metals (PGMs) are a family of six structurally and chemically similar elements that are most valued for their …

The orebodies within the complex include the UG2 (Upper Group 2) reef containing up to ∼44% chromitite, and the platinum-bearing horizons Merensky Reef and Plat Reef. The Merensky Reef is composed of extensive chromitite and sulfide layers with thickness varying between 30 and 90 cm.

The recovery of platinum group-metals (PGMs) has attracted increasing attention owing to their scarcity, economic importance, and criticality. ... using a solid-to-liquid ratio of 1:50 and were heated in a 60 ℃ water bath for 2 h to obtain the acid-wash solution containing PGMs precipitates. Finally, the acid-wash solution was filtered with ...

High-entropy alloys containing 5 and 6 platinum group metals have been prepared by thermal decomposition of single-source precursors non requiring high temperature or mechanical alloying. The ...

3.3. Selective reduction of gold in PGM solutions. The classic process involving reduction of gold to metal from chloride solution is a simple and effective process that is well suited to batch operation. A large number of reagents have been used, namely hydrazine, SO 2 gas, oxalic acid, bi sulfite, sucrose and others.

In this context, this work aims at describing accurately the rheological behavior of glass melts containing platinum group metals to better model the thermal hydraulics in vitrification process. A Searle viscometer has been used to characterize the non-Newtonian behavior of nuclear glass melt containing these noble metals versus temperature and ...

Solvent extraction of platinum group metals such as: Pd, Pt and Rh was carried out from chloride media with Kelex 100 in the absence and presence of a large amount of tin. ... 373-382 Technical Note Extraction of rhodium from other platinum group metals with Kelex 100 from chloride media containing tin M. Shafiqul Alam, …

The quantity of platinum group metals (PGMs) used by the automotive and electronic industries is predicted to continuously increase in the future [1]. However, the amounts of PGMs such as platinum (Pt), palladium (Pd), and rhodium (Rh) that are available in the Earth's crust are, of course, limited. ... PIMs containing an ionic liquid …

The viscosity of simulated high level radioactive waste glasses containing platinum group metal particles is studied over a wide range of shear stress, as a function of the particles content and the temperature, thanks to a stress imposed rheometer, coupled to a high-temperature furnace. The system shows a very shear thinning behavior.

Four equi- or near equi-molar platinum-group-metals-containing high entropy alloys (PGM-HEAs) have been developed with the aim to identify promising materials for ultra-high temperature applications. Experimental results indicate that IrNiPtRh and IrNiPtRhCo HEAs can form single phase fcc solid-solution, ...

3) intervention: the control group was treated with platinum-containing chemotherapy and correspondingly, the experimental group was treated with bevacizumab on the basis of the control group. 4) outcome: objective response rate, disease control rate, year survival rate, progression-free survival, overall survival, VEGF levels and treatment ...

Platinum group metals (PGMs) are used to purify automobile exhaust gases, and more than 60% of overall production of Pt, Pd, and Rh is used to produce automobile exhaust cleaners each year [1,2].

A spent catalytic converter was treated with concentrated HCl and hydrogen peroxide in very mild conditions to extract approximately half of its platinum group metals (PGMs) content, mainly as chlorides. The noble metals were subsequently charged into functionalized mesoporous silica by complexation with mercapto groups.

Platinum (Pt) is a rare and valuable metal that is widely used in various industrial applications due to its unique properties. Platinum ore refers to the naturally occurring rocks or minerals that …

The platinum group metals (PGMs) comprise 6 elements, which are platinum, palladium, rhodium, ruthenium, iridium, and osmium. These metals have high melting points, high …