Characterization of Catalytic MaterialsIsrael E. Wachs, the volume Editor, is Professor of Chemical Engineering at Lehigh University and Director of the Vibrational Spectroscopy Laboratory in the Zettlemoyer Center for Surface Studies. Professor Wachs has done importnat research in heterogeneous catalysis while at Lehigh and, earlier, as a staff member of Exxon Research. Characterization of Catalytic Materials is a modern, comprehensive reference volume covering the analysis of catalytic materials used in commercial applications. This book provides information for understanding the performance of each class of catalytic material and discusses the applications of these materials in different kinds of technologies such as in pollution control, and chemical and petroleum processing. Each chapter is written by individuals who are internationally recognized as experts in their respective areas and is organized for easy reference by catalytic classes, and the types of surface, interface, and bulk characterization that might be sought. Written from the materials perspective, Characterization of Catalytic Materials focuses on the properties to be measured rather than on the techniques to be used. |
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Page 20
... chemisorption may be used to measure dispersion , which is the ratio of surface metal atoms to total metal atoms in a sample . Surface atoms are assumed to be calculable from the ... Chemisorption 19, Methods of Measuring Chemisorption.
... chemisorption may be used to measure dispersion , which is the ratio of surface metal atoms to total metal atoms in a sample . Surface atoms are assumed to be calculable from the ... Chemisorption 19, Methods of Measuring Chemisorption.
Page 23
... chemisorption / temperature - programmed de- sorption apparatus . Pulses of adsorbate are injected into a car- rier gas for pulse chemisorption . If CO is a desorbed molecule , it would be converted to methane and then analyzed by FID ...
... chemisorption / temperature - programmed de- sorption apparatus . Pulses of adsorbate are injected into a car- rier gas for pulse chemisorption . If CO is a desorbed molecule , it would be converted to methane and then analyzed by FID ...
Page 120
... chemisorption did . In O2 chemisorption , the oxygen molecule is supposed to adsorb on a Mo cation and oxidize it ; thus , in principle , it could be a valuable tool for determining the number of exposed Mo ions . But , in practice ...
... chemisorption did . In O2 chemisorption , the oxygen molecule is supposed to adsorb on a Mo cation and oxidize it ; thus , in principle , it could be a valuable tool for determining the number of exposed Mo ions . But , in practice ...
Contents
SUPPORTED METALS | 17 |
BULK METAL OXIDES | 47 |
SUPPORTED METAL OXIDES | 69 |
Copyright | |
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Common terms and phrases
acid activity adsorbed adsorption alloys amount analysis application atoms beam behavior bismuth bond bulk bulk metal Catal cation changes characterization Chem chemical chemisorption Chemistry clusters composition contain coordination crystal crystalline depends Depth Detection determine diffraction dispersion distribution edge effect electron electron microscopy elements energy example Figure formation function hydrogen important indicated intensity interaction ions lattice layer limited materials measured metal oxide methods MICHIGAN molecular molecules molybdenum MoS2 Mössbauer observed obtained oxide catalysts oxygen particle peak phase pillared clays pore possible powders preparation present pressure probe produce promoter properties Raman spectroscopy range reaction reduced Reference relative requirements resolution sample scattering selective shows single solid solution specific spectra spectroscopy structure studies sulfides supported metal surface area techniques temperature tion typically usually X-ray X-ray diffraction zeolites