Zobrazeno 1 - 10
of 208
pro vyhledávání: '"Elmer C. Alyea"'
Publikováno v:
European Journal of Mass Spectrometry. 6:23-30
The positive- and negative-ion electrospray spectra of methanolic solutions of a water-soluble platinum (II) phosphine complex, chlorotris(1,3,5-triaza-7-phosphaadamantane)platinum (II) chloride, have been shown to contain a series of platinum (II) c
Publikováno v:
Langmuir. 15:3521-3528
A series of catalysts with vanadia contents varying between 1 and 14 wt % were prepared by the wet impregnation technique on zirconia and phosphorus-modified zirconia. The catalysts were characterized by employing X-ray diffraction (XRD), electron sp
Autor:
Elmer C. Alyea, L. Jhansi Lakshmi
Publikováno v:
Catalysis Letters. 59:73-77
A series of SnO2-supported MoO3 catalysts were prepared by the metal oxide vapor synthesis (MOVS) technique. ESR studies indicated the presence of highly dispersed Mo5+ species in both octahedral and tetrahedral coordination environments at all the l
Publikováno v:
Polyhedron. 17:2727-2732
The 1,3,5-triaza-7-phosphaadamantane [TPA] complexes of the type [MCl 2 (TPA) 2 ] (where M = Ni, Pd, Pt) , [Ni (CN) 2 (TPA) 3 ] and [PtCl (TPA) 3 ] (BPh 4 ) have been synthesized and characterized by 1 H, 31 P { 1 H} NMR, Laser-Raman spectroscopy and
Autor:
José Campo, Elmer C. Alyea
Publikováno v:
Polyhedron. 17:275-279
The 95Mo NMR chemical shifts are reported for two series of solvent adducts of the dimeric molybdenum(II) complexes Mo2(O2CR)4L2 (R = CF3, But; L - solvent). The large deshielding effect (over 450 ppm for the R = CF3 series as the solvent changes fro
Publikováno v:
Polyhedron. 17:11-16
A series of cobalt(II) complexes of general formula [CoX 2 L 2 ] (X = Cl, Br, I, NO 3 , ClO 4 , NCS; L 2 = Ph 2 PCH 2 Si(CH 3 ) 2 CH 2 PPh 2 ) have been synthesised and characterised by electronic and infrared spectroscopy and by magnetic moment stud
Publikováno v:
Polyhedron. 17:2231-2235
Mononuclear palladium(II) complexes of the type [Pd(SePh)2L2] [where L = PMe3, PEt3, P(n-Bu)3, PMePh2 or TPA (1,3,5-triaza-7-phosphaadamantane)] have been prepared and characterized by elemental analysis, 1H, 13C{1H} and 31P{1H} NMR data and in the c
Publikováno v:
Inorganic Chemistry. 36:4749-4752
The bidentate phosphine ligand Ph(2)PCH(2)Si(CH(3))(2)CH(2)PPh(2) (L(2)), an analogue of 1,3-bis(diphenylphosphino)propane (dppp), coordinates to mercury(II) salts to form complexes of the general formula [HgX(2).L(2)] (X = Cl, Br, I, NCS). Infrared,
Publikováno v:
Langmuir. 13:5621-5626
A series of catalysts with vanadia contents varying between 1 and 14 wt % were prepared on titania (Degussa) and phosphorus-modified titania. The catalysts were characterized by employing BET surface area, X-ray diffraction (XRD), electron spin reson
Influence of Metal Oxide Modification of Alumina on the Dispersion and Activity of Vanadia Catalysts
Publikováno v:
The Journal of Physical Chemistry B. 101:3324-3328
Alumina was modified with 10 wt % MOx (MOx = TiO2, ZrO2, La2O3, or MgO) prior to its impregnation with 12 wt % vanadia. The catalysts VTiAl, VZrAl, VLaAl, and VMgAl were characterized by X-ray diff...