Publications of Hellmut G. Karge

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

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

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

Kazansky, V. B.; Borovkov, V. Y.; Karge, H. G.: 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), pp. 1843 - 1848 (1997)

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

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

Grünert, W.; Muhler, M.; Karge, H. G.: 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), pp. 701 - 706 (1996)

Gutsze, A.; Plato, M.; Karge, H. G.; Witzel, F.: 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), pp. 2495 - 2498 (1996)

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

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

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

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

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

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

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

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

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

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

Brunner, E.; Karge, H. G.; Pfeifer, H.: 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), pp. 173 - 183 (1992)

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