Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Uwe Kürschner"'
Publikováno v:
Journal of the Chemical Society, Faraday Transactions. 94:971-977
The nature, strength and relative concentration of acid sites of siliceous and Al-, Ga- and Fe-substituted MCM-48 have been studied by FTIR spectroscopy in the region of the νOH vibrations and δNH vibrations of adsorbed ammonia. The interior surfac
Autor:
Reinhard Trettin, Irene Pitsch, Barbara Parlitz, Uwe Kürschner, Wolfgang Geßner, Rainer Bertram, Ellen Schreier, D. Müller
Publikováno v:
Journal of Materials Chemistry. 7:2469-2476
Al,SiOxgels have been prepared by reaction of different inorganic aluminium compounds with silicic acid. Characterization by chemical analysis,27Al MAS NMR spectroscopy and adsorption measurements shows that the gels obtained from a mixture (pH ca. 3
Publikováno v:
Catalysis Letters. 34:191-199
The hydrogenation of 2-nitrotoluene, 2,4-dinitrotoluene and 2,4,6-trinitrotoluene on Pd/C, Pt/C and Ni/SiO2 catalysts was investigated in a liquid phase batch reactor at pressures between 0.4 and 2.5 MPa. The reaction was controlled by regulating the