Direkt zu

 

2001
 

 

M. Hunger, J. Weitkamp,
In situ IR, NMR, EPR and UV/Vis spectroscopy: Tools for new insight into the mechanisms of heterogeneous catalysis, Angew. Chem. 113 2001 3040-3059; Angew. Chem. Int. Ed. 40 2001 2954-2971.


M. Weihe, M. Hunger, M. Breuninger, H.-G. Karge, J. Weitkamp,
Influence of the nature of residual alkali cations on the catalytic activity of zeolites X, Y,and EMT in their Brønsted acid forms, J. Catal. 198 2001 256-265.


M. Hunger, M. Seiler, A. Buchholz,
In situ MAS NMR spectroscopic investigation of the conversion of methanol to olefins on silicoaluminophosphates SAPO-34 and SAPO-18 under continuous flow conditions, Catal. Lett. 74 2001 61-68.


A. Raichle, S. Moser, Y. Traa, M. Hunger, J. Weitkamp,
Gallium-containing zeolites - valuable catalysts for the conversion of cycloalkanes into a prenium synthetic steamcracker feedstock, Catal. Commun. 2 2001 23-29.


 M. Seiler, W. Wang, M. Hunger,
Local structure of framework aluminium in zeolite HZSM-5 during conversion of methanol investigated by in situ NMR spectroscopy, J. Phys. Chem. B 105 2001 8143-8148.


U. Rymsa, M. Hunger, J. Weitkamp,
Catalytic in situ infrared spectroscopic study of n-butyraldehyde aldol condensation, Stud. Surf. Sci. Catal. 135 2001 23-P-23.


 M. Hunger, A. Buchholz, U. Schenk,
High temperature MAS NMR investigation of the mobility of cations and guest compounds in zeolites Y and X, Stud. Surf. Sci. Catal. 135 2001 14-P-17.


I.I. Ivanova, E.B. Pomakhina, A.I. Rebrov, Yu.G. Kolyagin, M. Hunger, J. Weitkamp,
Mechanistic study of aniline methylation over acidic and basic zeolites Y, Stud. Surf. Sci. Catal. 135 2001 23-P-12.


S. Caldarelli, A. Buchholz, M. Hunger,
Investigation of sodium cations in dehydrated zeolites LSX, X, and Y by 23Na off-resonance RIACT triple-quantum and high speed MAS NMR spectroscopy, J. Am. Chem. Soc. 123 2001 7118-7123.


A. Raichle, M. Ramin, D. Singer, M. Hunger, Y. Traa, J. Weitkamp,
Influence of the aluminum content of zeolite H-ZSM-5 on the conversion of methylcyclohexane into a high-quality synthetic steamcracker feedstock, Catal. Commun. 2 2001 69-74.


W. Wang, M. Seiler, I.I. Ivanova, J. Weitkamp, M. Hunger,
In situ stopped-flow (SF) MAS NMR spectroscopy: A novel NMR technique applied for the study of aniline methylation on a solid base catalyst, Chem. Commun. 2001 1362-1363.


M. Breuninger, C. Berger, M. Hunger, J. Weitkamp,
Cumolsynthese an Zeolithen H-Beta, H-NU-87, H-EU-1 und H-MCM-22: Aufklärung der Katalysatordesaktivierung mittels In-situ-IR-Spektroskopie, Chem. Ing. Tech. 73 2001 869-872.


J. Weitkamp, M. Hunger, U. Rymsa,
Base catalysis on microporous and mesoporous materials: Recent progress and perspectives, Microporous Mesoporous Mater. 48 2001 255-270.


I.I. Ivanova, E.B. Pomakhina, A.I. Rebrov, M. Hunger, Yu.G. Kolyagin, J. Weitkamp,
Surface species formed during aniline methylation on zeolite H-Y investigated by in situ MAS NMR spectroscopy, J. Catal. 203 2001 375-381.


W. Wang, M. Seiler, M. Hunger,
The role of surface methoxy species in the conversion of methanol to dimethyl ether on acidic zeolites investigated by in situ stopped-flow (SF) MAS NMR spectroscopy, J. Phys. Chem. B 105 2001 12553-12558.


A. Arnold, M. Hunger, J. Weitkamp,
Dry-gel-Synthese von Zeolithen des Typs [Ga]Beta und deren quantitative Charakterisierung mittels NMR-Spektroskopie, Chem. Ing. Tech. 73 2001 1588-1592.

 

top top