13C relaxation studies of13C enriched polystyrene in solution
✍ Scribed by Wolfram Gronski; Thomas Schäfer; Rolf Peter
- Publisher
- Springer
- Year
- 1979
- Tongue
- English
- Weight
- 312 KB
- Volume
- 1
- Category
- Article
- ISSN
- 0170-0839
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📜 SIMILAR VOLUMES
The paper is devoted to investigations of spin-lattice relaxation ation determined by nuclear dipole-dipole interactions for processes in 99% 13 C-enriched diamonds. Relaxation time measpin-1 2 nuclei and T imp 1 is the impurity component of the spinsurements were performed as a function of orientat
Analysis of 'H and 13C! spectra of l-'3C-acctyl&ne giver the same relative sign for JCH and -I&. Precise chemical shift valyes due to isotopic substitution are reported and compared with the earlier results. The chemical shift anisotropics (Ao) in acetylene and 1,2-13 C-acetylene arc found to be 22