Solid state proton spin–lattice relaxation in four structurally related organic molecules
✍ Scribed by Peter A. Beckmann; Kendra S. Burbank; Matty M.W. Lau; Jessica N. Ree; Tracy L. Weber
- Book ID
- 108429413
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 237 KB
- Volume
- 290
- Category
- Article
- ISSN
- 0301-0104
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📜 SIMILAR VOLUMES
Proton spectra of solids are usually broadened by strong proton homonuclear dipolar interactions. However, substantial line narrowing may be achieved by Magic Angle Spinning (MAS) in systems of low proton density or in systems in which rapid molecular motions occur. In such conditions, T1(H) measure
By measuring the proton spin-lattice relaxation times (T~) in the solid state, for a series of progressively sulphonated and methylated black spruce pulps, the molecular mobilities of carbohydrates and lignin have been evaluated as a function of chemical treatment. These measurements were made possi