scholarly journals Nuclear spin relaxation as a probe of zeolite acidity: a combined NMR and TPD investigation of pyridine in HZSM-5

Author(s):  
Neil Robinson ◽  
Pierre Bräuer ◽  
Andrew York ◽  
Carmine D'Agostino

The relative surface affinities of pyridine within microporous HZSM-5 zeolites are explored using two-dimensional 1H nuclear magnetic resonance (NMR) relaxation time measurements. The dimensionless ratio of longitudinal-to-transverse nuclear spin relaxation...

1990 ◽  
Vol 41 (4) ◽  
pp. 1797-1811 ◽  
Author(s):  
N. Bulut ◽  
D. W. Hone ◽  
D. J. Scalapino ◽  
N. E. Bickers

2016 ◽  
Vol 94 (24) ◽  
Author(s):  
A. V. Shchepetilnikov ◽  
D. D. Frolov ◽  
Yu. A. Nefyodov ◽  
I. V. Kukushkin ◽  
D. S. Smirnov ◽  
...  

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