Results 341 to 350 of about 76,897 (397)
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Phenylamido-complexes of rhenium(I) and rhenium(III)
Journal of the Chemical Society, Chemical Communications, 1981The reduction of phenylimidotrichlorobis-(trimethylphosphine)rhenium(V) in tetrahydrofuran by sodium amalgam under atmospheres of argon, nitrogen, hydrogen, carbon monoxide, and buta-1, 3-diene, leads to new complexes in all of which there is a phenylamido-group, Re(NHPh).
Wai-Kwok Wong +2 more
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Consolidation methods for spherical rhenium and rhenium alloys
Powder Metallurgy, 2003AbstractThe development of high density spherical rhenium and spherical tungsten-rhenium powders has enabled the use of advanced consolidation techniques for the manufacture of refractory metal components. The investigated consolidation techniques are powder metal injection moulding (PIM) and vacuum plasma spraying (VPS); both produce net shape ...
T. Leonhardt, R. Hickman, C. Trybus
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2000
The article contains sections titled: 1. Introduction 2. Properties 3. Occurrence and Raw Materials 3.1. Molybdenite 3.2. Recovery from Spent Catalysts and Alloys 4. Production 4.1. Recovery of Rhenium from Flue Gases in Molybdenite Roasting 4.2. Production of Pure Rhenium Compounds from Gas Scrubbing Liquors 4.3.
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The article contains sections titled: 1. Introduction 2. Properties 3. Occurrence and Raw Materials 3.1. Molybdenite 3.2. Recovery from Spent Catalysts and Alloys 4. Production 4.1. Recovery of Rhenium from Flue Gases in Molybdenite Roasting 4.2. Production of Pure Rhenium Compounds from Gas Scrubbing Liquors 4.3.
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Journal of Inorganic and Nuclear Chemistry, 1972
Abstract A new method for the preparation of K 3 [ReO 2 (CN) 4 ] from [ReO 2 py 4 ]Cl·2H 2 O is described. The acid association constants of [ReO 2 (CN) 4 ] 3− have been determined by Bjerrum's method using Calvin-Wilson titration technique. The violet colour formed by the addition of acid to a solution of [ReO 2 (CN) 4 ] 3− has been shown by the ...
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Abstract A new method for the preparation of K 3 [ReO 2 (CN) 4 ] from [ReO 2 py 4 ]Cl·2H 2 O is described. The acid association constants of [ReO 2 (CN) 4 ] 3− have been determined by Bjerrum's method using Calvin-Wilson titration technique. The violet colour formed by the addition of acid to a solution of [ReO 2 (CN) 4 ] 3− has been shown by the ...
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Oxidative Coupling of Terminal Rhenium Pnictide Complexes.
Angewandte Chemie, 2019The isolation of rhenium(V) complexes with terminal phosphide and arsenide ligands is reported upon decarbonylation of rhenium(III) pnictaethynolates. One electron oxidation of the pnictide complexes yields Pn-Pn (Pn = P, As) coupling products that were ...
Josh Abbenseth +7 more
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Heterotetrametallic Re-Zn-Zn-Re Complex Generated by an Anionic Rhenium(I) β-Diketiminate.
Journal of the American Chemical Society, 2019We report the synthesis of an anionic rhenium(I) compound, Na[Re(η5-Cp)(BDI)] (1; Cp = cyclopentadienide, BDI = N, N'-bis(2,6-diisopropylphenyl)-3,5-dimethyl-β-diketiminate) and initial investigations of its use as a strong chemical reductant and ...
Trevor D. Lohrey +3 more
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Hydridoacetylacetonates of rhenium
Journal of Inorganic and Nuclear Chemistry, 1970Abstract Some new hydridoacetylacetonates of rhenium are described: ReH2(Pph3)3Acac (II), ReH(Pph3)2AcacX2 (III) and (VI), ReH(Pph3)3AcacX (V), where Pph3 = triphenylphosphine, Acac = acetylacetone, XCl,Br,I. The compounds (III) and (VI) are the first paramagnetic hydrido compounds of rhenium. Their reactivities are studied, and their i.r.
D. Giusto, P. Romiti, M. Freni
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Phosphorescent rhenium-dipyrrinates: efficient photosensitizers for singlet oxygen generation.
Dalton Transactions, 2019A series of rhenium(i) dipyrrinato complexes (Re1-Re8) have been prepared and characterized; their crystal structures, phosphorescence and singlet oxygen generation studies are reported.
Neha Manav +7 more
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Chemical properties of rhenium silicides and rhenium germanide
Soviet Powder Metallurgy and Metal Ceramics, 1977A study was made of the chemical stability of rhenium, the germanide ReGe2, and the silicides Re3Si, ReSi, and ReSi2 in liquid corrosive media and in atmospheric oxygen.
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Physical Review, 1952
Measurements have been made in the liquid helium temperature region of the magnetic threshold curve of rhenium by observations of the magnetic moment of a powdered sample. The transition temperature ${T}_{c}$ in zero magnetic field was found to be 2.42\ifmmode^\circ\else\textdegree\fi{}K, and the observed slope of the threshold curve at $T={T}_{c}$ was
T. S. Smith, J. G. Daunt
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Measurements have been made in the liquid helium temperature region of the magnetic threshold curve of rhenium by observations of the magnetic moment of a powdered sample. The transition temperature ${T}_{c}$ in zero magnetic field was found to be 2.42\ifmmode^\circ\else\textdegree\fi{}K, and the observed slope of the threshold curve at $T={T}_{c}$ was
T. S. Smith, J. G. Daunt
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