Publications of Hellmut G. Karge

Coker, E.N. and H.G. Karge: Novel high-temperature, high-vacuum, all-metal sample cells for microcalorimetric measurements of solids. Review of Scientific Instruments 68 (12), 4521–4524 (1997).

Sulikowski, B., J. Find, H.G. Karge and D. Herein: Solid-state ion exchange in zeolites: Part 8. Interaction of lanthanum(III) chloride with zeolites under anhydrous conditions. Zeolites 19 (5-6), 395–403 (1997).

Sheu, S.-P., H.G. Karge and R. Schlögl: Characterization of Activated States of Ruthenium-Containing Zeolite NaHY. Journal of Catalysis 168 (2), 278–291 (1997).

Kazansky, V.B., V.Y. Borovkov and H.G. Karge: Diffuse reflectance IR study of molecular hydrogen and deuterium adsorbed at 77 K on NaA zeolite. Part 1.-Fundamentals, combination and vibrational–rotational modes. Journal of the Chemical Society, Faraday Transactions 93 (9), 1843–1848 (1997).

Mihályi, R.M., G. Pál-Borbély, H.K. Beyer, C. Minchev, Y. Neinska and H.G. Karge: Study on the reactivity of In₂O₃ in mixtures with ammonium-zeolites. Reaction Kinetics and Catalysis Letters 60 (1), 195–200 (1997).

Karge, H.G., W. Nießen and H. Bludau: In-situ FTIR measurements of diffusion in coking zeolite catalysts. Applied Catalysis A: General 146 (2), 339–349 (1996).

Grünert, W., M. Muhler and H.G. Karge: Investigations of zeolites by photoelectron and ion-scattering spectroscopy. Part 3.—Cation depletion at the external surface of HNa-faujasites. Journal of the Chemical Society, Faraday Transactions 92 (4), 701–706 (1996).

Gutsze, A., M. Plato, H.G. Karge and F. Witzel: Characterization of Lewis-acid sites in zeolites by EPR using the NO molecule as a probe. Journal of the Chemical Society, Faraday Transactions 92 (13), 2495–2498 (1996).

Karge, H.G. and M. Jiang: Investigation of acid properties of dealuminated H-mordenite zeolites by low-temperature diffuse reflectance FTIR. Journal of the Chemical Society, Faraday Transactions 92 (14), 2641–2649 (1996).

Maltha, A., H.F. Kist, T.L.F. Favre, H.G. Karge, F. Asmussen, H. Onishi, Y. Iwasawa and V. Ponec: Role of alkali promoters on Mn₃O₄ in the selective reduction of nitrobenzene. Applied Catalysis A: General 115 (1), 85–101 (1994).

Jozefowicz, L.C., H.G. Karge and E.N. Coker: Microcalorimetric Investigation of H-ZSM-5 Zeolites Using an Ultrahigh-Vacuum System for Gas Adsorption. The Journal of Physical Chemistry 98 (8), 8053–8060 (1994).

Mishin, I.V., V.P. Kalinin, V.D. Nissenbaum, H.K. Beyer and H.G. Karge: The thermal stability of the framework, hydroxyl groups, and active sites of faujasites. Kinetics and Catalysis 35 (4), 634–640 (1994).

Karge, H.G., G. Pál-Borbély and H.K. Beyer: Solid-state ion exchange in zeolites: Part 6. SystemLaCl₃/NaY zeolite. Zeolites 14 (7), 512–518 (1994).

Lázár, K., G. Pál-Borbély, H.K. Beyer and H.G. Karge: Solid-state ion exchange in zeolites. Part 5.—NH₄-Y–iron(II) chloride. Journal of the Chemical Society, Faraday Transactions 90, 1329–1334 (1994).

Jozefowicz, L.C., H.G. Karge, E. Vasilyeva and J.B. Moffat: A microcalorimetric investigation of heteropolyacids. Microporous Materials 1 (5), 313–322 (1993).

Dalla Lana, I.G., H.G. Karge and Z.M. George: Dissociative adsorption of sulfur dioxide on γ-alumina investigated by TPD and mass spectrometry. The Journal of Physical Chemistry 70 (30), 8005–8011 (1993).

Beyer, H.K., G. Pál-Borbély and H.G. Karge: Assignment of ²³Na MAS NMR signals of ammonium- and lanthanum-exchanged sodium Y zeolites. Microporous Materials 1 (1), 67–71 (1993).

Grünert, W., S. Ulrike, R. Schlögl and H.G. Karge: XPS investigations of lanthanum in faujasite-type zeolites. The Journal of Physical Chemistry 97 (7), 1413–1419 (1993).

Brunner, E., H.G. Karge and H. Pfeifer: On the correlation between the ¹H NMR chemical shift and the stretching vibration frequency of hydroxyl groups in solids. Zeitschrift für Physikalische Chemie 176 (2), 173–183 (1992).

Borbély, G., H.K. Beyer, H.G. Karge, W. Schwieger, A. Brandt and K.-H. Bergk: Chemical Characterization, Structural Features, and Thermal Behavior of Sodium and Hydrogen Octosilicate. Clays and Clay Minerals 39 (5), 490–497 (1991).