Publications of Hellmut G. Karge
All genres
Journal Article (49)
1997
Journal Article
Coker, Eric N. and Hellmut G. Karge: Novel high-temperature, high-vacuum, all-metal sample cells for microcalorimetric measurements of solids.
Journal Article
, and Hellmut 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 Article
, , , , and Hellmut G. Karge: Study on the reactivity of In2O3 in mixtures with ammonium-zeolites.
Journal Article
, Hellmut G. Karge and Robert Schlögl: Characterization of Activated States of Ruthenium-Containing Zeolite NaHY.
Journal Article
, Josef Find, Hellmut G. Karge and Daniel Herein: Solid-state ion exchange in zeolites: Part 8. Interaction of lanthanum(III) chloride with zeolites under anhydrous conditions.
1996
Journal Article
Grünert, Wolfgang, Martin Muhler and Hellmut G. Karge: Investigations of zeolites by photoelectron and ion-scattering spectroscopy. Part 3.—Cation depletion at the external surface of HNa-faujasites.
Journal Article
, , Hellmut G. Karge and Frank Witzel: Characterization of Lewis-acid sites in zeolites by EPR using the NO molecule as a probe.
Journal Article
Karge, Hellmut G. and Ming Jiang: Investigation of acid properties of dealuminated H-mordenite zeolites by low-temperature diffuse reflectance FTIR.
Journal Article
Karge, Hellmut G., Wilhelm Nießen and Horst Bludau: In-situ FTIR measurements of diffusion in coking zeolite catalysts.
1994
Journal Article
Jozefowicz, Linda C., Hellmut G. Karge and Eric N. Coker: Microcalorimetric Investigation of H-ZSM-5 Zeolites Using an Ultrahigh-Vacuum System for Gas Adsorption.
Journal Article
Karge, Hellmut G., and : Solid-state ion exchange in zeolites: Part 6. SystemLaCl3/NaY zeolite.
Journal Article
, , and Hellmut G. Karge: Solid-state ion exchange in zeolites. Part 5.—NH4-Y–iron(II) chloride.
Journal Article
, , , Hellmut G. Karge, F. Asmussen, , and : Role of alkali promoters on Mn3O4 in the selective reduction of nitrobenzene.
Journal Article
, , , and Hellmut G. Karge: The thermal stability of the framework, hydroxyl groups, and active sites of faujasites.
1993
Journal Article
, and Hellmut G. Karge: Assignment of 23Na MAS NMR signals of ammonium- and lanthanum-exchanged sodium Y zeolites.
Journal Article
Dalla Lana, Ivo G., Hellmut G. Karge and Zacheria M. George: Dissociative adsorption of sulfur dioxide on γ-alumina investigated by TPD and mass spectrometry.
Journal Article
Grünert, Wolfgang, , and Hellmut G. Karge: XPS investigations of lanthanum in faujasite-type zeolites.
Journal Article
Jozefowicz, Linda C., Hellmut G. Karge, and : A microcalorimetric investigation of heteropolyacids.
1992
Journal Article
, Hellmut G. Karge and : On the correlation between the 1H NMR chemical shift and the stretching vibration frequency of hydroxyl groups in solids.
1991
Journal Article
, , Hellmut G. Karge, , and : Chemical Characterization, Structural Features, and Thermal Behavior of Sodium and Hydrogen Octosilicate.