Modification of offretite and omega zeolites: Part I. Structural characterization
✍ Scribed by Eric Ponthieu; Paul Grange; Jean-François Joly; Francis Raatz
- Book ID
- 107894498
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 594 KB
- Volume
- 12
- Category
- Article
- ISSN
- 0144-2449
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📜 SIMILAR VOLUMES
The quantitative criteria characterizing the regularity of C a -backbones in the protein structures are presented. A technique is based on the Fourier remapping of the Cartesian coordinates for the C a -chain. The Fourier spectra identify the hidden periodicities and symmetries in protein structures
In the present work we have studied the structure and the acidic properties of HZSM-5 zeolite modified with trimethyl phosphite. The modifications were carried out by using a chemical vapour deposition method as well as impregnation from n-octane solution. Both modification techniques resulted in ma