Dynamic nuclear polarization (DNP) has proved to be one of the most effective methods to increase the nuclear spin polarization in inorganic as well as organic materials since several decades. In combination with methods to rapidly dissolve the polarized solid sample it is possible to obtain a solut
Dynamic polarization of 13C nuclei in 1-Butanol
β Scribed by M. Borghini; F. Udo
- Publisher
- Elsevier Science
- Year
- 1973
- Tongue
- English
- Weight
- 159 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0375-9601
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π SIMILAR VOLUMES
In contrast to previously studied nuclei, solvent carbon-13 NhfR enhancements at 74 G for a series of free radicals show increased contribution of scalar coupling for well shielded, saturated carbons. Enriched \*'CC4 with BDPA gives an ultimrtte enhancement of +850.
## Carbon-13 NNR spectra of chemically polarized decomposition pro&&s %%X6? in~est~g~~~d. The pofarization is much larger than in proton spectra, positive for radical recombination pro&cts and negative Ear thr? others. The chemical polarization appears ;IC the very moment of Formation of the stabl