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Gotowe bibliografie tematyczne / Platinum group

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Gotowa bibliografia na temat „Platinum group”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 31 lipca 2024

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Artykuły w czasopismach na temat "Platinum group"

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Evstigneeva, Tatiana, i Mahmud Tarkian. "Synthesis of platinum-group minerals under hydrothermal conditions". European Journal of Mineralogy 8, nr 3 (17.06.1996): 549–64. http://dx.doi.org/10.1127/ejm/8/3/0549.

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Rubezhov, A. Z. "Platinum Group Organometallics". Platinum Metals Review 36, nr 1 (1.01.1992): 26–33. http://dx.doi.org/10.1595/003214092x3612633.

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Platinum group organometallics have recently been the subject of intensive investigation designed to establish the basic characteristics of their decomposition, which results in the formation of metallic or metalcontaining coatings. This review has been compiled from a literature search and indicates some of the applications that are, or could be, of commercial significance.

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YARITA, Somei. "Platinum, Platinum Alloy Plating and Platinum Group Metals Electroforming Technology". Journal of the Surface Finishing Society of Japan 55, nr 10 (2004): 646. http://dx.doi.org/10.4139/sfj.55.646.

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Chen, Wei-Sheng, i Jie-Yu Yang. "Concentrating and Dissolving Platinum Group Metals from Copper Anode Slime". International Journal of Materials, Mechanics and Manufacturing 7, nr 6 (grudzień 2019): 245–49. http://dx.doi.org/10.18178/ijmmm.2019.7.6.468.

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Augé, Thierry, Guillaume Morin, Laurent Bailly i Todor Serafimovsky. "Platinum-group minerals and their host chromitites in Macedonian ophiolites". European Journal of Mineralogy 29, nr 4 (10.10.2017): 585–96. http://dx.doi.org/10.1127/ejm/2017/0029-2624.

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Schofield, Cynthia B. "The Platinum Loop Group". Laboratory Medicine 35, nr 7 (1.07.2004): 399–402. http://dx.doi.org/10.1309/u0jxj7c79n2fjvw8.

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Carlson, Ernest H. "Platinum-group element exploration". Geoexploration 26, nr 2 (listopad 1989): 145–46. http://dx.doi.org/10.1016/0016-7142(89)90059-8.

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Pohl, W. "Platinum-group element exploration". Ore Geology Reviews 4, nr 4 (sierpień 1989): 365–66. http://dx.doi.org/10.1016/0169-1368(89)90013-9.

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Burke, Gill. "The Platinum Group Metals". Minerals & Energy - Raw Materials Report 7, nr 4 (styczeń 1990): 19–23. http://dx.doi.org/10.1080/14041049009409959.

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Dey, Sandip, i Vimal K. Jain. "Platinum Group Metal Chalcogenides". Platinum Metals Review 48, nr 1 (1.01.2004): 16–29. http://dx.doi.org/10.1595/003214004x4811629.

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Some salientfeatures of platinum group metal compounds with sulfur, selenium or tellurium, known as chalcogenides, primarily focusing on binary compounds, are described here. Their structural patterns are rationalised in terms of common structural systems. Some applications of these compounds in catalysis and materials science are described, and emerging trends in designing molecular precursors for the syntheses of these materials are highlighted.

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Rozprawy doktorskie na temat "Platinum group"

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Tooze, R. P. "Organometallic compounds of platinum group metals". Thesis, Imperial College London, 1985. http://hdl.handle.net/10044/1/37880.

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Isbilir, Amina. "Tridentate ligands with platinum group metals". Thesis, University of Leicester, 2018. http://hdl.handle.net/2381/42777.

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In this thesis, a series of symmetrical and unsymmetrical pincer ligands are synthesised and explored as supports for platinum group metals, such as palladium, platinum and ruthenium. In Chapters 2 and 3, the synthesis and characterisation of novel pyridine-based dianionic aryl-containing [C,NPy,O] and phenol-containing [O,NPy,O] pincer pro-ligands and their reactivity towards palladium(II) and ruthenium(II) metal precursors is described. [C,NPy,O]-type pincer pro-ligands have been shown to promote sp2 C-H activations upon reaction with palladium(II) and ruthenium(II) metal salts. Phenol-containing [O,NPy,O] pincer pro-ligands demonstrated deprotonation of the phenolic oxygen, resulting in a tridentate coordination upon binding to palladium(II) and ruthenium(III) metal centres. In Chapter 4, six novel paramagnetic ruthenium(III) pincer complexes developed from aryl-containing [C,NPy,O] and phenol-containing [O,NPy,O] pincer pro-ligands, have been employed as efficient catalysts for the transfer hydrogenation of ketones. Chapter 5 describes the synthesis of mono(imino)pyridyl [N,NPy,O] pincer pro-ligands incorporating an ethyl ester group at 6-position and their ability to undergo hydrolysis to a carboxylic acid upon coordination to palladium. Use of platinum(II) metal precursor, on the contrary, did not promote hydrolysis resulting in a bidentate coordination mode in the corresponding complexes. Chapter 6 explores the reactivity of two dien [N,N,N] pincer pro-ligands towards palladium(II) salts. Preliminary investigations demonstrated the ability of the amine-NH donor moieties to promote NH···A (acceptor) hydrogen bond interactions with the acceptor atoms on their corresponding anions in the solid state.

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Roberts, Yvonne V. "Macrocyclic complexes of platinum group metals". Thesis, University of Edinburgh, 1991. http://hdl.handle.net/1842/11897.

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A series of half-sandwich complexes, [M([9]aneS₃)*XY]ⁿ+ have been synthesised from MCl₂ [M = Pd, Pt,X = Y = Cl^-(n = 0), PPh₃0.5dppm, 0.5dppe,0.5x2, 2'-bipy(n = 2), X = Cl^-, Y = PPh₃(n&61 1); M = Pd, X = Y = 0.5oxytriphos, 0.5x1, 10-phen(n = 2), X = Cl^-, Y = PCy₃(n = 1)]. All but one of the crystal structures [M = Pd, X = Y = Cl^-, PPh₃, 0.5dppm, 0.5oxytriphos, 0.5x2,2'-bipy, 0.5x1,10-phen, X = Cl^-, Y&61 PPh₃; M = Pt, X = Y&61 PPh₃, 0.5dppm] solved show the metal in a square-planar, S₂XY co-ordination set, with a long-range apical interaction to the remaining S-atom of [9]aneS₃; [Pt([9]aneS₃)(PPh₃)₂]²+ is trigonal bipyramidal. The reductive electrochemistry of the Pd complexes shows the stabilisation of Pd(I) species by bidentate, π-acceptor X,Y ligands. A series of complexes [Ru([9]aneS_3)XYZ]^+ (X-Cl^-, Y = CO or PCy_3, Z&61 H or MeCN; X = H, Y = Z = 0.5x1,5-COD) and [Ru([n]aneS_4)*XY]^m+ (X = Cl^-, Y = PPh_3, n = 12,14,16, m&61 1; X = McCN, Y = PPh_3, n = 12,14, m&61 2; X = Y = McCN, n = 16, m = 2) have also been prepared. The crystral structures of [Ru([9]aneS_3)XYZ]^+ (X = Cl^-, Y = CO, Z&61 McCN; X = H, Y = Z = 0.5x1,5-COD) show the metal to be octahedrally co-ordinated. Such is also the case for [Ru([n]aneS_4)XY]^m+ (n = 14,16, X = Cl^-, Y&61 PPh_3; n = 16, X = Y = MeCN), with the non-macrocyclic ligands mutually cis. A study by nmr spectroscopy of the mechanism of formation of [Ru([9]aneS_3)Cl(PPh_3)(C_4H_3O)H^+ ]^- from [Ru([9]aneS_3)Cl_2(PPh_3)] and Et_2O/THF was undertaken. The former complex, and the dimeric intermediates [Ru([9]aneS_3)(PPh_3)Cl]_2^2+ and [Ru([9]aneS_3(PPh_3)(μ2-Cl)Tl(μ3-Cl)]_2^2+ were characterised by X-ray crystallography. Finally, the novel agostic species [Pd(H[9]aneN_3)Cl_2]_2(PF_6)_2.2([Pd(H[9]aneN_3)Cl_2]_2) is described. The X-ray structure of the dimer shows an unsupported Pd-Pd bond with mutally cis-Cl^- ligands. Only one of the two metal ions in the dimer forms an agostic M-H-N bond. The metal in each of the monomers also forms on M-H-N agostic bond. *[9]aneS_3 = 1,4,7-trithiacyclononane, [14]aneS_4 = 1,4,8,11-tetrathiacyclotetradecane [12]aneS_4 = 1,4,7,10-tetrathiacyclododecane, [16]aneS_4 = 1,5,9,13-tetrathiacyclohexadecane.

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Xiao, Zhixian 1970. "Characterizing the gravity recoverable platinum group minerals". Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=115859.

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Modeling gravity recovery of platinum group minerals (PGMs) in the grinding circuit is based on three components: Ore characterization of gravity recoverable platinum group minerals (GRPGM), their behavior in grinding mills and hydrocyclones, and the performance of the gravity recovery units. This thesis focuses on the first two components.
A laboratory methodology to characterize gravity-recoverable platinum group minerals (GRPGMs) in an ore with four incremental liberation and recovery stages was developed. It was applied to quantify GRPGM content of four ore samples from Canada. To measure the behavior of GRPGMs in the grinding circuit, a methodology to characterize the already liberated (or available) GRPGMs in the circuit streams was developed. The availability of GRPGM in streams, such as ball mill discharge, was used to model the behavior of the GRPGMs in the ball mills and hydrocyclones. Combining with the potential GRPGM in an ore, they can be used for design and/or optimization of platinum group mineral recovery circuit.
The GRPGM content measured by this methodology varied from 5 to 81% depending on the ore. The GRPGM size distribution varied from fine (most GRPGM below 37mum) to coarse (significant content above 212 mum). The stage size-by-size recovery and the total GRPGM content indicate that the methodology can quantify the GRPGM content of ores.
Based on the measurement of the availability of GRPGM in process streams, the behavior of PGMs in ball mills and hydrocyclones is characterized in terms of the less common cumulative selection functions and conventional classification efficiency curves. Mineralogical analysis indicates that sperrylite (PtAs 2) is the dominant platinum mineral at the Clarabelle mill. Its classification efficiency is similar to that of gold, despite its lower density, while grinding rate is significantly higher than gold. The cumulative selection function of platinum and palladium is 1.3 times higher than the ore for size classes above 212 mum and 50 to 70% of the ore below 212 mum.
As a result, sperrylite accumulates in finer sizes than native gold in the grinding circuit. The cumulative selection function of the platinum group minerals was calculated for the Clarabelle grinding circuit based on the survey data and the GRPGM contents in the ball mill discharge, cyclone underflow, and overflow.
The methodology of characterizing the content of GRPGMs in an ore also offers a way to concentrate the minerals for mineralogical study. The use of secondary electron microscopy (SEM), variable pressure SEM and QEM*SEM for qualitative analysis of platinum group mineral mineralogy is presented and discussed. Most of the GRPGMs recovered are well liberated. Qualitative mineralogical analysis of the GRPGM and its associations in ore samples are also discussed.

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Fotheringham, John David. "Heterobimetallic complexes of the platinum group metals". Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/10906.

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Tadie, Margreth. "An electrochemical investigation of platinum group minerals". Doctoral thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/15748.

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The Bushveld complex is the largest ore body in the world hosting platinum group elements (PGEs). It is a stratified orebody with three major reefs namely, the Merensky reef, UG2 reef and the Platreef. Platinum and palladium are the most abundant PGEs found in the Bushveld complex. They occur in the form of minerals/mineral phases with elements such as sulphur, tellurium, arsenic and iron. These minerals/mineral phases are associated with base metal sulphides occuring along grain boundaries. Unlike the Merensky and UG2 reef, the Platreef is almost barren of PGE sulphides and the distribution of base metals sulphides and their association with PGMs is erratic. Froth flotation targeted at the recovery of base metal sulphides is implemented in PGM concentrators to concentrate PGMs. Flotation of sulphide minerals is achieved with the use of thiol collectors to create hydrophobicity, and copper sulphate is often used to improve hydrophobicity and therefore recovery. Sodium ethyl xanthate (SEX) and sodium diethyl dithiophosphate (DTP) are commonly used as collectors on PGM concentrators. The erratic mineral variations in the Platreef ore, however, raise the question of the effectiveness of the application of sulphide mineral flotation techniques on this ore. Previous work by Shackleton, (2007) investigated the flotation of PGE tellurides, sulphides and arsenides. The study highlighted that the mechanisms with which these minerals interact with collectors and with copper sulphate was poorly understood. It is as a result of the findings of Shackleton's work that this study aims to elucidate the fundamental interactions of telluride and sulphide PGMs with thiol collectors and with copper sulphate. Subsequently this work also aims to compare the behaviour of these reagents on sulphide PGMs and telluride PGMs.

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Sekota, Mantoa Makoena C. "Catalytic reactions of platinum group metal phthalocyanines". Thesis, Rhodes University, 1999. http://hdl.handle.net/10962/d1006151.

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The voltammetric behaviour of I-cysteine and other organic compounds such as hydrazine, hydroxylamine and methionine has been studied on GCE modified with phthalocyanine complexes of osmium, rhodium and ruthenium. For cysteine oxidation, the catalytic activity of the electrode was dependent the nature of the axial ligand. When cyanide and dimethylsulphoxide (DMSO) were used as axial ligands, giving (DMSO)(Cl)Rh(III)Pc, [(CN)₂Rh(III)Pc], (DMSO)₂0S(II)Pc and [(DMSO)₂Ru(II)Pc].2DMSO complexes, the peak current increased with repetitive scanning, indicating the increase in catalytic activity of the electrode after each scan. This behaviour was not observed when pyridine was used as axial ligand. The improvement of the catalytic activity of the GCE after the first scan has been attributed to the formation of the dimeric π-cation radical species at the electrode surface. Water soluble phthalocyanine complex ([(CN)₂Os(II)Pc]²⁻) and the tetramethyltetra-pyridinoporphyrazine complexes of Pd(II) and Pt(II), ([Pd(II)2,3Tmtppa(-2)]⁴⁺, [Pd(II)3,4Tmtppa(-2)]⁴⁺, [Pt(II)2,3Tmtppa(-2)]⁴⁺ and [Pt(II)3,4Tmtppa(-2)⁴⁺) have been prepared. [(CN)₂Os(II)Pc]²⁻ is soluble in water at pH greater 4 without the formation of dimers. The [M(II)Tmtppa(-2)]⁴⁺ (M = Pd or Pt) show high solubility in water and are stable only in acidic pHs. The cyclic voltammetry of the MPc and [M(II)Tmtppa(-2)]⁴⁺ complexes prepared, is also reported. The interactions of amino acids I-histidine and I-cysteine with the [M(II)Tmtppa(-2)]⁴⁺ complexes of Pd(II) and Pt(ll) were studied. All the [M(Il)Tmtppa(-2)]⁴⁺ are readily reduced to the monoanion species [M(Il)Tmtppa(-3)]³⁻ in the presence of histidine and cysteine. The rate constants for the interaction of [M(Il)Tmtppa(-2)]⁴⁺ complexes ofPt(II) and Pd(II), with histidine and cysteine range from approximately 2 x 10⁻³ to 0.26 dm³ mol⁻¹ s⁻¹. Kinetics of the interaction of [Co(Il)TSPc]⁴⁻ with amino acids, histidine and cysteine in pH 7.2 buffer were studied. The rate constants were found to be first order in both [Co(II)TSPc]⁴⁻ and the amino acid. The formation of [Co(III)TSPc]³⁻ in the presence of histidine occurred with the rate constant of 0.16 dm³ mol⁻¹ s⁻¹, whereas the formation of the [Co(I)TSPc]⁵⁻ species in the presence of cysteine gave the rate constant of 2.2 dm³ mo⁻¹ s¹. The relative quantum yield (QΔ) for singlet oxygen production by [(CN)₂Os(Il)Pc]²⁻, and [(CN)⁴Ru(II)Pc]²⁻ in DMF using diphenylisobenzofuran (DPBF) and a chemical quencher were determined. The quantum yield values were obtained as 0.39 ± 0.05 , and 0.76 ± 0.02 for [(CN₂Os(II)Pc]²⁻ and [(CN)₂Ru(II)Pc]²⁻ respectively. The differences in quantum yield values have been explained in terms of donor abilities of both the central metal and the axial ligands.

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Smale, Simon. "Study of the hydrogen evolution reaction on platinum and platinum group metal surfaces". Thesis, Cardiff University, 2008. http://orca.cf.ac.uk/54760/.

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The hydrogen evolution reaction (HER) has been examined on a variety of Pt and Pt-group metal surfaces to investigate the rate of the reaction. Pt stepped single crystal surfaces were investigated in relation to the HER using cyclic voltammetry, linear sweep voltammetry and multi-frequency AC voltammetry. It was found that the hydrogen evolution reaction activity did not show a dependence on the structure of single crystal platinum electrode surfaces. Thick films of Au, Rh and Pd were deposited onto Pt {111} and successfully annealed to give pseudomorphic surfaces of the bulk metal. The aim of such measurements was to investigate whether strains within the crystal lattice of these films would result in enhanced HER activity. None of the surfaces investigated showed significant HER enhancement. Rather, results similar to those observed using the bulk metals were obtained. Rough Ir and Pt deposits on Pt{111} were also investigated. Enhanced HER activity was observed on these surfaces. This enhancement was interpreted in terms of the structural arrangement of the Ir and Pt deposits. For Pd films on Pt {111} (0 < fVPd < 2 monolayers) it was observed that Pt dominated the HER kinetics for Pd coverages up to one monolayer and was still influential on the HER at two monolayers of Pd. Similarly Pd-Pt surface alloys also showed that Pd had little or no influence on the HER kinetics even with 75 % Pd in the surface layer. Possible mechanisms for this behaviour have been proposed, in particular, the role of subsurface hydrogen in HER on Pt is discussed.

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Harding, Nigel Anthony. "β-thia-alkyl complexes of platinum group metals". Thesis, Imperial College London, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.283721.

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Scanlan, Thomas Huw. "Platinum group chemistry of iminophosphines and related ligands". Thesis, University of Newcastle Upon Tyne, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391972.

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Książki na temat "Platinum group"

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Loebenstein, J. Roger. Platinum-group metals. [Washington, D.C.?]: Bureau of Mines, U.S. Dept. of the Interior, 1985.

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Loebenstein, J. Roger. Platinum-group metals. [Washington, D.C.?]: Bureau of Mines, U.S. Dept. of the Interior, 1985.

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Loebenstein, J. Roger. Platinum-group metals. [Washington, D.C.?]: Bureau of Mines, U.S. Dept. of the Interior, 1985.

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Loebenstein, J. Roger. Platinum-group metals. [Washington, D.C.?]: Bureau of Mines, U.S. Dept. of the Interior, 1985.

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Loebenstein, J. Roger. Platinum-group metals. [Washington, D.C.?]: Bureau of Mines, U.S. Dept. of the Interior, 1985.

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Canada. Energy, Mines and Resources Canada., red. Platinum. Canada: Energy, Mines and Resources Canada, 1989.

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Canada. Dept. of Energy, Mines and Resources., red. Platinum. [Ottawa]: Supply and Services Canada, 1989.

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Buchanan, D. L. Platinum-group element exploration. Amsterdam: Elsevier, 1988.

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Fogg, Catharine T. Availability of platinum and platinum-group metals. Washington, D.C: U.S. Dept. of the Interior, Bureau of Mines, 1993.

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Zereini, Fathi, i Friedrich Alt, red. Anthropogenic Platinum-Group Element Emissions. Berlin, Heidelberg: Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-59678-0.

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Części książek na temat "Platinum group"

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Crowson, Phillip. "Platinum Group". W Minerals Handbook 1992–93, 192–99. London: Palgrave Macmillan UK, 1992. http://dx.doi.org/10.1007/978-1-349-12564-7_30.

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Crowson, Phillip. "Platinum Group". W Minerals Handbook 1994–95, 202–9. London: Palgrave Macmillan UK, 1994. http://dx.doi.org/10.1007/978-1-349-13431-1_32.

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Crowson, Phillip. "Platinum Group". W Minerals Handbook 1996–97, 280–89. London: Palgrave Macmillan UK, 1996. http://dx.doi.org/10.1007/978-1-349-13793-0_33.

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Bernfeld, G. J., A. J. Bird, R. I. Edwards, Hartmut Köpf, Petra Köpf-Maier, Christoph J. Raub, W. A. M. te Riele, Franz Simon i Walter Westwood. "High Purity Platinum-Group Metals". W Pt Platinum, 24–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-662-10278-7_2.

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Puchtel, Igor S. "Platinum Group Elements". W Encyclopedia of Earth Sciences Series, 1–5. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-39193-9_274-1.

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Puchtel, Igor S. "Platinum Group Elements". W Encyclopedia of Earth Sciences Series, 1236–39. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-39312-4_274.

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Arndt, Nicholas. "Platinum Group Elements". W Encyclopedia of Astrobiology, 1300. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-11274-4_1175.

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Arndt, Nicholas. "Platinum Group Elements". W Encyclopedia of Astrobiology, 1962–63. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-662-44185-5_1175.

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Gunn, Gus. "Platinum-group metals". W Critical Metals Handbook, 284–311. Oxford: John Wiley & Sons, 2013. http://dx.doi.org/10.1002/9781118755341.ch12.

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Zereini, F., i C. L. S. Wiseman. "Platinum Group Elements". W Trace Elements in Soils, 567–77. Chichester, UK: John Wiley & Sons, Ltd, 2010. http://dx.doi.org/10.1002/9781444319477.ch24.

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Streszczenia konferencji na temat "Platinum group"

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Buchanan, Dennis L. "Current Platinum-Group Exploration Targets". W SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1988. http://dx.doi.org/10.4271/880125.

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Doran, Richard K., i John H. Medinger. "Platinum Group Metals: A U.S. Producer's Perspective". W SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1988. http://dx.doi.org/10.4271/880124.

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Borisov, R. V., O. V. Belousov, N. V. Belousova i A. A. Akimenko. "DISSOLUTION OF PLATINUM GROUP METALS IN AN AUTOCLAVE". W XVI INTERNATIONAL CONFERENCE "METALLURGY OF NON-FERROUS, RARE AND NOBLE METALS" named after corresponding member of the RAS Gennady Leonidovich PASHKOVA. Krasnoyarsk Science and Technology City Hall, 2023. http://dx.doi.org/10.47813/sfu.mnfrpm.2023.339-346.

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Platinum metals (PGMs) find wide practical application in high-tech areas and allow solving a number of economic and environmental problems. Under normal conditions, platinum metals are thermodynamically stable and resistant to the action of mineral acids and alkalis. On the other hand, a feature of PGMs and their compounds is the kinetic inhibition of processes involving them. The constant growth in the consumption of precious metals requires solving the problems of their highly efficient extraction from primary ores and concentrates, secondary raw materials, which are mainly represented by spent catalysts and electronic scrap. Processing is carried out using pyro- and hydrometallurgical methods. Modern hydrometallurgical technologies for the processing of precious metals are most preferable due to their greater environmental friendliness compared to pyrometallurgical processes. The most efficient transfer of platinum group metals into solution can be carried out at elevated temperatures and pressures, which makes it possible to remove kinetic difficulties. To do this, autoclaves are used, the use of which does not lead to losses and contamination with impurities of valuable metals, makes it possible to intensify the processes of dissolution and reduce the environmental burden on the environment. Unfortunately, despite the rapid development of autoclave technologies, there are few studies on the dissolution of pure metals under autoclave conditions. At the same time, the establishment of the mechanism and factors influencing the process of dissolution of metals will make it possible to develop and optimize existing schemes for processing platinum-containing raw materials.

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Steel, M. C. F. "Changing Patterns of Platinum Group Metals Use in Autocatalyst". W SAE International Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1988. http://dx.doi.org/10.4271/880127.

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Mitra, Arijeet, Indra Sekhar Sen, Thomas Meisel i Christoph Walkner. "Platinum Group Elements in Indian Environment: Magnitude and Pathways". W Goldschmidt2020. Geochemical Society, 2020. http://dx.doi.org/10.46427/gold2020.1816.

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Zimova, Magdalena. "HEALTH�AND�ENVIRONMENTAL�RISKS�OF�CYTOSTATICS�PLATINUM�GROUP�RESIDUES". W SGEM2012 12th International Multidisciplinary Scientific GeoConference and EXPO. Stef92 Technology, 2012. http://dx.doi.org/10.5593/sgem2012/s20.v5063.

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Letseli, Mohale, Willie Nheta i Arno Steinmuller. "Characterisation and Flotation of a Weathered Platinum Group Metal Ore". W The 4th World Congress on Mechanical, Chemical, and Material Engineering. Avestia Publishing, 2018. http://dx.doi.org/10.11159/mmme18.124.

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Ito, Kyohei, Shuhei Inoue i Yukihiko Matsumura. "Synthesis of Single-Walled Carbon Nanotube Containing Platinum Group Element". W ASME/JSME 2011 8th Thermal Engineering Joint Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/ajtec2011-44257.

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To prepare homogeneous nanoparticles is a key issue for catalytic reaction because it directly connects to the control of the reaction. Using the sidewall of SWCNT as a catalyst supporter, the size of nanoparticle can be controlled, because the particle size should be affected by the interaction between SWCNT and metal species and its curvature. In this study, we focused on the direct synthesis of SWCNT with highly dispersed platinum group metal species. As a result, adding an adequate amount of platinum group metals into catalysts never disturbs the synthesis of SWCNT. Referring to TGA measurement, the presence of metal attached and/or metal involved SWCNT is suggested. Furthermore, SEM images show many nanoparticles are on SWCNT. When ruthenium catalyst is used, ruthenium nanoparticles are observed on the surface of nano carbon materials, which looks like SWCNT. These results indicate the possibility of direct synthesis of metal-containing SWCNT in CVD technique.

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Murakami, H., T. Honma, Y. Koizumi i H. Harada. "Distribution of Platinum Group Metals in Ni-Base Single-Crystal Superalloys". W Superalloys. TMS, 2000. http://dx.doi.org/10.7449/2000/superalloys_2000_747_756.

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Hanaki, Yasunari, Misaki Fujimoto i Junji Itou. "Alternative Technology for Platinum Group Metals in Automobile Exhaust Gas Catalysts". W SAE 2016 World Congress and Exhibition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 2016. http://dx.doi.org/10.4271/2016-01-0930.

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Raporty organizacyjne na temat "Platinum group"

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Barrie, C. T. Magmatic platinum group elements. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1995. http://dx.doi.org/10.4095/208044.

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Eckstrand, O. R. Magmatic nickel-copper-platinum group elements. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1995. http://dx.doi.org/10.4095/208040.

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Hulbert, L. J., J. M. Duke, O. R. Eckstrand, J. W. Lydon, R F J. Scoates, L. J. Cabri i T N Irvine. Geological Environments of the Platinum Group Elements. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1988. http://dx.doi.org/10.4095/130338.

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Lawrence Shore. Platinum Group Metal Recycling Technology Development - Final Report. Office of Scientific and Technical Information (OSTI), sierpień 2009. http://dx.doi.org/10.2172/962699.

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Foley, J. Y., L. E. Burns, C. L. Schneider i R. B. Forbes. Preliminary report of platinum group element occurrences in Alaska. Alaska Division of Geological & Geophysical Surveys, 1989. http://dx.doi.org/10.14509/1423.

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Sinclair, W. D., I. R. Jonasson, R. V. Kirkham i A. E. Soregaroli. Rhenium and other platinum-group metals in porphyry deposits. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2009. http://dx.doi.org/10.4095/247485.

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Smith, Braeton, Diane Graziano, Matthew Riddle, Di-Jia Liu, Pingping Sun, Chukwunwike Iloeje, Emmeline Kao i David Diamond. Platinum Group Metal Catalysts - Supply Chain Deep Dive Assessment. Office of Scientific and Technical Information (OSTI), luty 2022. http://dx.doi.org/10.2172/1871583.

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Eisenberg, R. Photochemistry and charge transfer chemistry of the platinum group elements. Office of Scientific and Technical Information (OSTI), grudzień 1991. http://dx.doi.org/10.2172/5713717.

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Eisenberg, R. Photochemistry and charge transfer chemistry of the platinum group elements. Office of Scientific and Technical Information (OSTI), grudzień 1992. http://dx.doi.org/10.2172/6673318.

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Hoatson, D. M., i B. Lewis, red. Platinum-group elements in Australia : geological setting, mineral systems, and potential. Geoscience Australia, 2014. http://dx.doi.org/10.11636/record.2014.051.

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