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Journal articles on the topic 'Palladium, rhodium'

Author: Grafiati

Published: 4 June 2021

Last updated: 10 February 2022

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1

Zagula-Yavorska, Maryana. "Oxidation Behavior of Non-Modified and Rhodium- or Palladium-Modified Aluminide Coatings Deposited on CMSX-4 Superalloy." Metals 8, no. 8 (2018): 613. http://dx.doi.org/10.3390/met8080613.

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Rhodium-modified as well as palladium-modified and non-modified aluminide coatings on CMSX-4 Ni-based superalloy were oxidized in air atmosphere at 1100 °C. Uncoated substrate of CMSX-4 superalloy was also oxidized. The microstructure of coatings before oxidation consists of two layers: an additive and an interdiffusion one. The NiAl intermetallic phase was found in the microstructure of non-modified coatings, while the (Ni,Rh)Al intermetallic phase was observed in the microstructure of rhodium-modified aluminide coatings before oxidation. The (Ni,Pd)Al phase of palladium-modified aluminide co

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2

Hartwig, J. F. "Development of catalysts for the hydroamination of olefins." Pure and Applied Chemistry 76, no. 3 (2004): 507–16. http://dx.doi.org/10.1351/pac200476030507.

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Studies on the development of palladium, nickel, and rhodium catalysts for the hydroamination of dienes and vinylarenes are described. Enantioselective catalysts based on palladium have been developed for the addition of arylamines to dienes and for Markovnikov addition of arylamines to vinylarenes. In addition, nickel catalysts for the addition of aliphatic amines to dienes have been developed, and rhodium catalysts for the first transition metal-catalyzed aminations of vinylarenes that generate terminal amines as the major product are described. Mechanistic data on the hydroamination of viny

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3

Ren, Li, Austin C. Chen, Andreas Decken, and Cathleen M. Crudden. "Chiral bidentate N-heterocyclic carbene complexes of Rh and Pd." Canadian Journal of Chemistry 82, no. 12 (2004): 1781–87. http://dx.doi.org/10.1139/v04-165.

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The synthesis of a new chiral, bidentate oxazoline/imidazolidene carbene precursor is described. This species is reacted with various metal salts in the presence of a base to generate rhodium and palladium complexes, which are characterized spectroscopically and crystallographically.Key words: chiral N-heterocyclic carbene, rhodium, palladium, oxazolidine, asymmetric catalysis.

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4

Weber, W. H., R. J. Baird, and G. W. Graham. "Raman investigation of palladium oxide, rhodium sesquioxide and palladium rhodium dioxide." Journal of Raman Spectroscopy 19, no. 4 (1988): 239–44. http://dx.doi.org/10.1002/jrs.1250190404.

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5

Akkarasamiyo, Sunisa, Somsak Ruchirawat, Poonsaksi Ploypradith та Joseph S. M. Samec. "Transition-Metal-Catalyzed Suzuki–Miyaura-Type Cross-Coupling Reactions of π-Activated Alcohols". Synthesis 52, № 05 (2020): 645–59. http://dx.doi.org/10.1055/s-0039-1690740.

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The Suzuki–Miyaura reaction is one of the most powerful tools for the formation of carbon–carbon bonds in organic synthesis. The utilization of alcohols in this powerful reaction is a challenging task. This short review covers progress in the transition-metal-catalyzed Suzuki–Miyaura-type cross-coupling reaction of π-activated alcohol, such as aryl, benzylic, allylic, propargylic and allenic alcohols, between 2000 and June 2019.1 Introduction2 Suzuki–Miyaura Cross-Coupling Reactions of Aryl Alcohols2.1 One-Pot Reactions with Pre-activation of the C–O Bond2.1.1 Palladium Catalysis2.1.2 Nickel

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6

Teter, D. F., R. D. Field, and D. J. Thoma. "Hydrogen-Induced Phase Separation of Palladium-Rhodium Alloys Using an Environmental Cell TEM." Microscopy and Microanalysis 3, S2 (1997): 591–92. http://dx.doi.org/10.1017/s1431927600009843.

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The palladium-rhodium system has been extensively studied for its hydrogen absorption characteristics. However, the phase diagram of the palladium-rhodium system has not been conclusively determined below 800 K. Shield and Williams have experimentally determined the incoherent miscibility gap in Pd-Rh alloys using electrical resistivity studies, however the coherent miscibility gap and spinodal have not been determined. Recently work by Noh and Flanagan has suggested that hydrogen enhances metal atom mobility and may increase the kinetics of phase separation in Pd-Rh alloys. Field and Thoma fo

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7

Fedoseev, I. V., V. V. Vasekin, and N. V. Rovinskaya. "Hydrocarbonyl Processes for Conversion of Platinum-Rhodium-Palladium Alloys : Technological possibilities of a new process for pgms extraction." Johnson Matthey Technology Review 64, no. 1 (2020): 42–47. http://dx.doi.org/10.1595/205651320x15700992885660.

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A novel process for the recovery of platinum group metals (pgms) from ternary alloys using a hydrocarbonyl process is proposed. The hydrocarbonyl process involves treatment of a chloride solution of the pgms with carbon monoxide at ambient pressure. The results demonstrate that the process can provide high purity pgms from a ternary platinum-rhodium-palladium alloy such as that obtained from palladium-nickel catchment alloys used with platinum-rhodium gauzes during high temperature ammonia oxidation.

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8

Kleykamp, Heiko, and Sung-Goon Kang. "The Constitution of the Uranium-Palladium and Uranium-Rhodium-Palladium Systems / Der Aufbau der Systeme Uran-Palladium und Uran-Rhodium-Palladium." International Journal of Materials Research 82, no. 7 (1991): 544–52. http://dx.doi.org/10.1515/ijmr-1991-820707.

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9

Bálint, Erika, Ádám Tajti, Anna Tripolszky та György Keglevich. "Synthesis of platinum, palladium and rhodium complexes of α-aminophosphine ligands". Dalton Transactions 47, № 14 (2018): 4755–78. http://dx.doi.org/10.1039/c8dt00178b.

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10

McMinn, A., R. Viswanathan, and C. L. Knauf. "Field Evaluation of Gas Turbine Protective Coatings." Journal of Engineering for Gas Turbines and Power 110, no. 1 (1988): 142–49. http://dx.doi.org/10.1115/1.3240077.

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The hot corrosion resistance of several protective coatings that had been applied to MAR-M-509 nozzle guide vanes and exposed in a utility gas turbine has been evaluated. The coatings included basic aluminide, rhodium-aluminide, platinum-rhodium-aluminide, and palladium-aluminide diffusion coatings, and cobalt-chromium-aluminum-yttrium (CoCrAlY) and ceramic overlay coatings. A combination of metallographic examination of vane cross sections and energy dispersive X-ray analysis (EDS) was employed in the evaluation. The results showed that none of the coatings was totally resistant to corrosive

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11

Ren, Mengrui, Changming Li, Jiale Chen, Min Wei, and Shuxian Shi. "Preparation of a ternary Pd–Rh–P amorphous alloy and its catalytic performance in selective hydrogenation of alkynes." Catal. Sci. Technol. 4, no. 7 (2014): 1920–24. http://dx.doi.org/10.1039/c4cy00338a.

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12

Kaur, Rupan Preet, Ravinder Singh Sawhney, and Derick Engles. "Augmenting Molecular Junctions with Different Transition Metal Contacts." Journal of Multiscale Modelling 05, no. 02 (2013): 1350009. http://dx.doi.org/10.1142/s1756973713500091.

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In this research paper, the effect of the material of electrodes at the nanometer scale was elucidated towards measuring the electron transport properties of a single molecular junction comprising of anthracenedithiol molecule (ADT) stringed to two semi-infinite metallic electrodes using Extended Huckle Theory (EHT)-based semi-empirical modelling approach. The electron transport parameters i.e., I–V curves, Conductance-Voltage curves and transmission spectrum were investigated through ADT molecule by buffering it between different electrodes composed of rhodium, palladium, nickel and copper, a

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13

Moruzzi, V. L., and P. M. Marcus. "Magnetism in fcc rhodium and palladium." Physical Review B 39, no. 1 (1989): 471–74. http://dx.doi.org/10.1103/physrevb.39.471.

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14

Burwell, Robert L. "Supported platinum, palladium, and rhodium catalysts." Langmuir 2, no. 1 (1986): 2–11. http://dx.doi.org/10.1021/la00067a001.

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15

Okamoto, H. "Comment on Pd-Rh (palladium-rhodium)." Journal of Phase Equilibria 15, no. 3 (1994): 369. http://dx.doi.org/10.1007/bf02669233.

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16

Raghavan, V. "Al-Pd-Rh (Aluminum-Palladium-Rhodium)." Journal of Phase Equilibria and Diffusion 29, no. 1 (2007): 69–70. http://dx.doi.org/10.1007/s11669-007-9216-5.

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17

Tripathi, S. N., and S. R. Bharadwqj. "The Pd-Rh (Palladium-Rhodium) system." Journal of Phase Equilibria 15, no. 2 (1994): 208–12. http://dx.doi.org/10.1007/bf02646369.

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18

Wang, Xian-Xu, Xiao-Yan Huang, Sen-Hao Lei та ін. "Relay Rh(ii)/Pd(0) dual catalysis: synthesis of α-quaternary β-keto-esters via a [1,2]-sigmatropic rearrangement/allylic alkylation cascade of α-diazo tertiary alcohols". Chemical Communications 56, № 5 (2020): 782–85. http://dx.doi.org/10.1039/c9cc08559a.

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19

Arisawa, Mieko. "Transition-Metal-Catalyzed Synthesis of Organophosphorus Compounds Involving P–P Bond Cleavage." Synthesis 52, no. 19 (2020): 2795–806. http://dx.doi.org/10.1055/s-0040-1707890.

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Organophosphorus compounds are used as drugs, pesticides, detergents, food additives, flame retardants, synthetic reagents, and catalysts, and their efficient synthesis is an important task in organic synthesis. To synthesize novel functional organophosphorus compounds, transition-metal-catalyzed methods have been developed, which were previously considered difficult because of the strong bonding that occurs between transition metals and phosphorus. Addition reactions of triphenylphosphine and sulfonic acids to unsaturated compounds in the presence of a rhodium or palladium catalyst lead to ph

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20

Miura, Tomoya, Tsuneaki Biyajima, Takeharu Toyoshima, and Masahiro Murakami. "Synthesis of cross-conjugated trienes by rhodium-catalyzed dimerization of monosubstituted allenes." Beilstein Journal of Organic Chemistry 7 (May 9, 2011): 578–81. http://dx.doi.org/10.3762/bjoc.7.67.

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A rhodium(I)/dppe catalyst promoted dimerization of monosubstituted allenes in a stereoselective manner to give cross-conjugated trienes, which are different from those obtained by a palladium catalyst.

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21

John, Jubi, Edmond Gravel, Irishi N. N. Namboothiri, and Eric Doris. "Advances in carbon nanotube-noble metal catalyzed organic transformations." Nanotechnology Reviews 1, no. 6 (2012): 515–39. http://dx.doi.org/10.1515/ntrev-2012-0025.

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AbstractThis review article is dealing with heterogeneous catalysis applied to synthetic chemistry using various carbon nanotube-supported noble metals (e.g., ruthenium, rhodium, palladium, silver, osmium, iridium, platinum, and gold).

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22

Dong, Xu, Hui Wang, Hui Liu, and Fagang Wang. "Recent advances in transition metal migration involving reactions." Organic Chemistry Frontiers 7, no. 21 (2020): 3530–56. http://dx.doi.org/10.1039/d0qo00558d.

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In this review, various types of metal-migration involved methodologies, including palladium, rhodium, iron, cobalt, iridium, chromium, nickel, platinum, are summarized and demonstrated elaborately for giving a better access to this field.

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23

Barkov, Andrei Y., and Federica Zaccarini. "Editorial for the Special Issue “Platinum-Group Minerals: New Results and Advances in PGE Mineralogy in Various Ni-Cu-Cr-PGE Ore Systems”." Minerals 9, no. 6 (2019): 365. http://dx.doi.org/10.3390/min9060365.

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The platinum-group minerals (PGM) consist of a group of accessory minerals that concentrate the six platinum-group elements (PGE): osmium (Os), iridium (Ir), ruthenium (Ru), rhodium (Rh), platinum (Pt), and palladium (Pd) [...]

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24

Lynch, Ciarán C., Zeus A. De los Santos, and Christian Wolf. "Chiroptical sensing of unprotected amino acids, hydroxy acids, amino alcohols, amines and carboxylic acids with metal salts." Chemical Communications 55, no. 44 (2019): 6297–300. http://dx.doi.org/10.1039/c9cc02525a.

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Optical chirality sensing of unprotected amino acids, hydroxy acids, amino alcohols, amines and carboxylic acids based on a practical mix-and-measure protocol with readily available copper, iron, palladium, manganese, cerium or rhodium salts is demonstrated.

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25

Ogenko, Volodymyr, Svitlana Orysyk, Ljudmila Kharkova, and Oleg Yanko. "SYNTHESIS AND SPECTRAL CHARACTERISTICS OF PERSPECTIVE NANOSIZED CARBON QUANTUM DOTS FOR ADSORPTION AND CATALYTIC PROCESSES." Ukrainian Chemistry Journal 86, no. 1 (2020): 3–11. http://dx.doi.org/10.33609/0041-6045.86.1.2020.3-11.

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Processes of interaction between carbon quantum dots (CQDs) and solutions of rhodium, ruthenium and palladium chlorides in the surface layer have been investigated by electron and IR spectroscopy. When rhodium chloride is added to a solution of CQDS, a bathochromic shift of the β- and p-absorption bands (ABs) at 48725 and 41711 cm-1 as well as hypsochromic shift of the α-AB at 28935 cm-1 indicate that rhodium adsorption occurs on the surface of CQDs. The bathochromic shift of the absorption bands at 22400 сm1 together with the hypsochromic shift of ABs corresponding to d-d electron transitions

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26

Kiremire, Enos Masheija Rwantale. "Unusual underground Capping Carbonyl Clusters of Palladium." International Journal of Chemistry 8, no. 1 (2016): 145. http://dx.doi.org/10.5539/ijc.v8n1p145.

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<p>Transition metal carbonyls form unlike boranes a wide range of clusters. High nuclearity carbonyl clusters have a tendency to form capped clusters. Using the method of series explained in this paper, many capped carbonyl clusters have been identified for group 7, 8, 9 and 10 transition metals such as rhenium, osmium, rhodium and palladium. The series have discovered that palladium form exclusively capped carbonyl clusters. Furthermore, it has been discovered that some of the capped clusters have negative nuclear closo function. Such carbonyls have been regarded as capping underground.

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27

Ilie, Sorin, Adrian Miuţescu, Mircea Stoianovici, and Gabriela Mitran. "Recovery of Precious Metals from Catalytic Converters of Automobiles by Hydrometallurgical Solid-Liquid Extraction Processes." Advanced Materials Research 837 (November 2013): 105–9. http://dx.doi.org/10.4028/www.scientific.net/amr.837.105.

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Today, among the basic requirements to be fulfilled by an automobile, those relating to environmental protection and recyclability are of great importance. This paper aims to present a new technological solution to recover rare metals - Platinum, Palladium and Rhodium - from automotive used catalysts, based on hydrometallurgical method of solid-liquid extraction. Following the theoretical and experimental researches, were established the technological sequences which must be carried for recovering precious metals from used automotive catalysts, in the pilot phase. The proposed technology has b

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28

AMBROZIK, Andrzej. "Deactivation of three-way catalytic converters and selected methods for investigating their efficiency." Combustion Engines 119, no. 2 (2004): 32–39. http://dx.doi.org/10.19206/ce-117416.

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The paper presents operating conditions and basic processes involved in the deactivation of three-way catalytic converters of exhaust gases. The methods of diagnosing three-way catalytic converters are characterised taking into account their differentiation into three groups. The research stand for catalytic converter tests is described. The results of investigations into the conversion of harmful components of exhaust gases are given in a graphic form. The catalytic converters experimented on are platinum-rhodium and palladium-rhodium, both new and aged ones.

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29

Sliwa, Wanda. "Ruthenium, rhodium and palladium complexes of pyridines." Transition Metal Chemistry 14, no. 5 (1989): 321–35. http://dx.doi.org/10.1007/bf01032504.

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30

Abramov, A. A., S. V. Volkova, B. Z. Iofa, E. V. Rakhmanov, and A. V. Anisimov. "Isolation of palladium-103 from rhodium targets." Radiochemistry 55, no. 3 (2013): 324–27. http://dx.doi.org/10.1134/s1066362213030132.

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31

Oilunkaniemi, Raija, Ludmila Vigo, Merja J. Poropudas, and Risto S. Laitinen. "Telluroether Complexes of Platinum, Palladium, and Rhodium." Phosphorus, Sulfur, and Silicon and the Related Elements 183, no. 4 (2008): 1046–49. http://dx.doi.org/10.1080/10426500801901079.

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32

Bergbreiter, David E., Yun-Shan Liu, and Philip L. Osburn. "Thermomorphic Rhodium(I) and Palladium(0) Catalysts." Journal of the American Chemical Society 120, no. 17 (1998): 4250–51. http://dx.doi.org/10.1021/ja980136l.

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33

Żurowski, A., M. Łukaszewski, and A. Czerwiński. "Electrosorption of hydrogen into palladium–rhodium alloys." Electrochimica Acta 53, no. 27 (2008): 7812–16. http://dx.doi.org/10.1016/j.electacta.2008.05.052.

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34

Żurowski, A., M. Łukaszewski, and A. Czerwiński. "Electrosorption of hydrogen into palladium–rhodium alloys." Electrochimica Acta 51, no. 15 (2006): 3112–17. http://dx.doi.org/10.1016/j.electacta.2005.08.047.

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35

Gürler, R., L. A. Cornish, and J. N. Pratt. "Computer assessment of the palladium-rhodium system." Journal of Alloys and Compounds 191, no. 1 (1993): 165–68. http://dx.doi.org/10.1016/0925-8388(93)90291-t.

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36

Piburn, Graham W., Hao Li, Pranaw Kunal, Graeme Henkelman, and Simon M. Humphrey. "Rapid Synthesis of Rhodium-Palladium Alloy Nanocatalysts." ChemCatChem 10, no. 1 (2017): 329–33. http://dx.doi.org/10.1002/cctc.201701133.

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37

Ong, Markus D., Benjamin W. Jacobs, Joshua D. Sugar, et al. "Effect of Rhodium Distribution on Thermal Stability of Nanoporous Palladium–Rhodium Powders." Chemistry of Materials 24, no. 6 (2012): 996–1004. http://dx.doi.org/10.1021/cm202688m.

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38

Zereini, Fathi, Clare L. S. Wiseman, My Vang, et al. "Geochemical behaviour of palladium in soils and Pd/PdO model substances in the presence of the organic complexing agentsl-methionine and citric acid." Environmental Science: Processes & Impacts 18, no. 1 (2016): 22–31. http://dx.doi.org/10.1039/c5em00521c.

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Risk assessments of platinum group metal (PGE) emissions, notably those of platinum (Pt), palladium (Pd) and rhodium (Rh), have been mostly based on data regarding the metallic forms used in vehicular exhaust converters, known to be virtually biologically inert and immobile.

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39

Rinkovec, Jasmina. "Platinum, palladium, and rhodium in airborne particulate matter." Archives of Industrial Hygiene and Toxicology 70, no. 4 (2019): 224–31. http://dx.doi.org/10.2478/aiht-2019-70-3293.

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AbstractMeasurable quantities of platinum, palladium, and rhodium, even in remote areas of the planet, evidence the global nature of pollution with these metals, mostly from catalytic converters of modern vehicles (other sources are jewellery production, chemical industry, and anticancer drugs). The amount of the platinum group metals (PGMs) emitted from automobile catalysts varies with the type, age, and condition of the engine and the catalyst, as well as the style of driving. Current literature suggests that the concentrations of these metals have increased considerably over the last twenty

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40

Kodama, Shintaro, Yuki Yamamoto, Yohsuke Kobiki, et al. "Transition-Metal-Catalyzed Diarylation of Isocyanides with Triarylbismuthines for the Selective Synthesis of Imine Derivatives." Materials 14, no. 15 (2021): 4271. http://dx.doi.org/10.3390/ma14154271.

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The transition-metal-catalyzed diarylation of isocyanides with triarylbismuthines was investigated in detail, and rhodium catalysts such as [RhCl(nbd)]2 were found to selectively afford N-alkyl diaryl ketimines. On the other hand, palladium-catalyzed diarylation proceeded with the incorporation of two molecules of isocyanide, preferentially yielding N,N’-dialkyl or N,N’-diaryl α-diimines. In addition, a cascade synthesis of 2,3-diarylquinoxalines starting from the palladium-catalyzed diarylation of isocyanides with triarylbismuthines was successfully achieved.

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41

Rochefort, Alain, Jan Andzelm, Nino Russo, and Dennis R. Salahub. "Chemisorption and diffusion of atomic hydrogen in and on cluster models of palladium, rhodium and bimetallic palladium tin, rhodium tin, and rhodium zinc catalysts." Journal of the American Chemical Society 112, no. 23 (1990): 8239–47. http://dx.doi.org/10.1021/ja00179a003.

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42

Rydchuk, Petro, Olena Gritchenko, Dariya Semenyshyn, and Oleksandr Tymoshuk. "Voltammetric Determination of Rhodium by Means of Furan-Oxime Derivatives in Industrial Samples with Considerable Content of Palladium." Chemistry & Chemical Technology 5, no. 3 (2011): 249–53. http://dx.doi.org/10.23939/chcht05.03.249.

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43

Journal, Baghdad Science. "Study of Cytotoxic Effect of Aqueous Extract Fenugreek(Trigonella Foenum Graecum L.S) Seeds and The New Complexes of Rh (?) and Pd (?) on Cancer Cell Lines." Baghdad Science Journal 9, no. 2 (2018): 289–95. http://dx.doi.org/10.21123/bsj.9.2.289-295.

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The effect of the aqueous extract of fenugreek seeds (Trigonella Foenum Graecum L.), Rhodium complex (?) with formula [RhL2CLH2O].1 1/2 ETOH and palladium (?) [pdl2].2ETOH,where L=2-hydroxy phenyl piperonalidine was studied on two cancer cell lines. The first cell line was intestine cancer of female albino mice (L20B), the second one was Rhabdomysarcomas (RD)cell line in human. The activity of the new complexes and the aqueous extract was compared to the well-known anticancer drug (cis-platin) by utilizing the in vitro system. The cell lines were treated with four concentrations of cis-platin

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44

Oro, Luis A., Miguel A. Ciriano, Cristina Tejel, Marta Bordonaba, Claudia Graiff, and Antonio Tiripicchio. "Heteronuclear Rhodium, Palladium, Platinum, and Gold Organoimido Complexes from Dinuclear Organoamido Rhodium Precursors." Chemistry - A European Journal 10, no. 3 (2004): 708–15. http://dx.doi.org/10.1002/chem.200305378.

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45

Araya, Paulo E., Eduardo E. Miró, and Laura Cornaglia. "The Topography of Rhodium in Bimetallic Rhodium–Palladium Catalysts on a Silica Support†." Journal of Chemical Research, no. 7 (1997): 258–59. http://dx.doi.org/10.1039/a608411g.

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46

Oh, Chang Ho, Seung Hyun Jung, and Chul Yun Rhim. "Chemoselectivities in palladium- and rhodium-catalyzed allenyne cyclizations." Tetrahedron Letters 42, no. 49 (2001): 8669–71. http://dx.doi.org/10.1016/s0040-4039(01)01896-2.

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47

Motoyama, Yukihiro, Nobuyuki Makihara, Yoshiharu Mikami, Katsuyuki Aoki, and Hisao Nishiyama. "Chiral Bis(oxazolinyl)phenyl Rhodium and Palladium Complexes." Chemistry Letters 26, no. 9 (1997): 951–52. http://dx.doi.org/10.1246/cl.1997.951.

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48

José-Yacamán, M., M. Marín-Almazo, and J. A. Ascencio. "High Resolution TEM Studies On Palladium, Rhodium Nanoparticles." Microscopy and Microanalysis 7, S2 (2001): 1100–1101. http://dx.doi.org/10.1017/s1431927600031573.

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The field of catalysis is one of the most important areas of the nano-sciences for many years. in deed the goal of having a catalyst, with the maximum active area exposed to a chemical reaction, has produced enormous amount of research in nanoparticles. Particularly, the metal nanoparticles study is a very important field in catalysis. Electron Microscopy is one of the techniques that have played a mayor role on studding nanoparticles. Since bright field images, dark field techniques, to the high-resolution atomic images of nanoparticles and more recently the High Angle Annular dark field imag

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49

Ugalde, M., E. Chavira, M. T. Ochoa-Lara, I. A. Figueroa, C. Quintanar, and A. Tejeda. "Synthesis by Microwaves of Bimetallic Nano-Rhodium-Palladium." Journal of Nanotechnology 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/578684.

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An improved acrylamide sol-gel technique using a microwave oven in order to synthesize bimetallic Rh-Pd particles is reported and discussed. The synthesis of Pd and Rh nanoparticles was carried out separately. The polymerization to form the gel of both Rh and Pd was carried out at 80°C under constant agitations. The method chosen to prepare the Rh and Pd xerogels involved the decomposition of both gels. The process begins by steadily increasing the temperature of the gel inside a microwave oven (from 80°C to 170°C). In order to eliminate the by-products generated during the sol-gel reaction, a

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Antonov, Andrey, Nikolay Samotaev, Andreas Tietz, Denis Veselov, and Andrey Kirichenko. "Iron Collector Recycling by Electrochlorination Method." Materials Science Forum 977 (February 2020): 190–94. http://dx.doi.org/10.4028/www.scientific.net/msf.977.190.

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Abstract:

Modern methods of recycling spent automotive catalysts and their main disadvantages in industrial practice are considered. The electrochlorination method is proposed as the basis of the platinum-group metals extraction technology after electric arc melting of ceramic catalysts carrier material. The results of the experimental work on the extraction of platinum, palladium, rhodium are analyzed.

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