Publications of Hellmut G. Karge
All genres
Journal Article (49)
Journal Article
E.N. Coker 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).
Journal Article
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).
Journal Article
H.G. Karge and R. Schlögl: Characterization of Activated States of Ruthenium-Containing Zeolite NaHY. , Journal of Catalysis 168 (2), 278–291 (1997).
Journal Article
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. , and Journal of the Chemical Society, Faraday Transactions 93 (9), 1843–1848 (1997).
Journal Article
H.G. Karge: Study on the reactivity of In2O3 in mixtures with ammonium-zeolites. , , , , and Reaction Kinetics and Catalysis Letters 60 (1), 195–200 (1997).
Journal Article
H.G. Karge, W. Nießen and H. Bludau: In-situ FTIR measurements of diffusion in coking zeolite catalysts. Applied Catalysis A: General 146 (2), 339–349 (1996).
Journal Article
W. Grünert, 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).
Journal Article
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).
Journal Article
H.G. Karge 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).
Journal Article
H.G. Karge, F. Asmussen, , and : Role of alkali promoters on Mn3O4 in the selective reduction of nitrobenzene. , , , Applied Catalysis A: General 115 (1), 85–101 (1994).
Journal Article
L.C. Jozefowicz, 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).
Journal Article
H.G. Karge: The thermal stability of the framework, hydroxyl groups, and active sites of faujasites. , , , and Kinetics and Catalysis 35 (4), 634–640 (1994).
Journal Article
H.G. Karge, and : Solid-state ion exchange in zeolites: Part 6. SystemLaCl3/NaY zeolite. Zeolites 14 (7), 512–518 (1994).
Journal Article
H.G. Karge: Solid-state ion exchange in zeolites. Part 5.—NH4-Y–iron(II) chloride. , , and Journal of the Chemical Society, Faraday Transactions 90, 1329–1334 (1994).
Journal Article
L.C. Jozefowicz, H.G. Karge, and : A microcalorimetric investigation of heteropolyacids. Microporous Materials 1 (5), 313–322 (1993).
Journal Article
I.G. Dalla Lana, 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).
Journal Article
H.G. Karge: Assignment of 23Na MAS NMR signals of ammonium- and lanthanum-exchanged sodium Y zeolites. , and Microporous Materials 1 (1), 67–71 (1993).
Journal Article
W. Grünert, , and H.G. Karge: XPS investigations of lanthanum in faujasite-type zeolites. The Journal of Physical Chemistry 97 (7), 1413–1419 (1993).
Journal Article
H.G. Karge and : 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).
Journal Article
H.G. Karge, , and : Chemical Characterization, Structural Features, and Thermal Behavior of Sodium and Hydrogen Octosilicate. , , Clays and Clay Minerals 39 (5), 490–497 (1991).