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2000 / 1999
 

 

B. Burger, K. Haas-Santo, M. Hunger, J. Weitkamp,
Synthesis and characterization of aluminum-rich zeolite ZSM-5, Chem. Eng. Technol. 23 2000 322-324.


T. Horvath, M. Seiler, M. Hunger,
A comparative study of methyl-tert-butyl ether synthesis on zeolites HY, HBeta, HBeta/F and HZSM-5 by in situ MAS NMR spectroscopy under flow conditions and on-line gas chromatography, Appl. Catal. A: General 193 2000 227-236.


M. Hunger, U. Schenk, M. Seiler, J. Weitkamp,
In situ MAS NMR spectroscopy of surface compounds formed by conversion of methanol and a toluene/methanol feed on basic zeolite X under batch and flow conditions, J. Mol. Catal. A: Chemical 156 2000 153-161.


 M. Hunger, U. Schenk and A. Buchholz,
Mobility of cations and guest compounds in cesium-exchanged and impregnated zeolites Y and X investigated by high-temperature MAS NMR spectroscopy, J. Phys. Chem. B 104 2000 12230-12236.


H.G. Karge, M. Hunger, H. Beyer,
Characterization of Zeolites - Infrared and nuclear magnetic resonance spectroscopy and X-ray diffraction
, in: J. Weitkamp, L. Puppe (Hrsg.), Catalysis and Zeolites - Fundamentals and Application, Springer-Verlag, Berlin, 1999, S. 198-326.


M. Hunger, U. Schenk, M. Breuninger, R. Gläser, J. Weitkamp,
Characterization of the acid sites in MCM-41-type materials by spectroscopic and catalytic techniques, Microporous Mesoporous Mater. 27 1999 261-271.


J. Weitkamp, M. Breuninger, H.-G. Karge, M. Hunger,
Peculiarities of Brønsted acid sites in FER-type zeolites, in: M.M.J. Treacy, B.K. Marcus, M.E. Bisher, J.B. Higgins (Hrsg.), Proc. of the 12th International Zeolite Conference, Materials Research Society, Warrendale, Pennsylvania, 1999, S. 2697-2704.


M. Hunger, U. Schenk, B. Burger, J. Weitkamp,
Influence of guest compounds on the base strength of zeolites Y and X investigated by NMR spectroscopy, in: M.M.J. Treacy, B.K. Marcus, M.E. Bisher, J.B. Higgins (Hrsg.), Proc. of the 12th International Zeolite Conference, Materials Research Society, Warrendale, Pennsylvania, 1999, S. 2503-2510.


M. Hunger, M. Seiler, T. Horvath,
A technique for simultaneous in situ MAS NMR and on-line gas chromatographic studies of hydrocarbon conversions on solid catalysts under flow conditions, Catal. Lett. 57 1999 199-204.


U. Schenk, M. Hunger, J. Weitkamp,
Characterization of basic guest compounds on solid catalysts by 13C CP/MAS NMR spectroscopy of surface methoxy groups, Magn. Reson. Chem. 37 1999 S75-S78.


U. Rymsa, M. Hunger, H. Knözinger, J. Weitkamp,
Spectroscopic and catalytic characterization of basic zeolites and related porous materials, Stud. Surf. Sci. Catal. 125 1999 197-204.


M. Seiler, U. Schenk, M. Hunger,
Conversion of methanol to hydrocarbons on zeolite HZSM-5 investigated by in situ MAS NMR spectroscopy under flow conditions and on-line gas chromatography, Catal. Lett. 62 1999 139-145.

 

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