Dynamic nuclear polarization in suspensions of liquid asphalts in weak magnetic field
✍ Scribed by A. Yalçıner; M. A. Çimenoğlu; C. Akay; H. Ovalıoğlu
- Book ID
- 106234519
- Publisher
- Springer
- Year
- 1998
- Tongue
- English
- Weight
- 171 KB
- Volume
- 51
- Category
- Article
- ISSN
- 1434-5641
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📜 SIMILAR VOLUMES
Nuclear magnetic resonance and the Overhauser effect type dynamic nuclear polarization were used to study some colloidal suspensions of asphaltene obtained from MC-30 liquid asphalt in a weak magnetic ®eld of 1.437 mT. Intermolecular spin±spin interactions occur between diffusing nuclear spins in th
Dynamic nuclear polarization (DNP) is presented as an applicaformed with insoluble (16) or soluble free radicals (5,6), tion for EPR spectroscopy in low magnetic field (below 40 G). but the most widely used free radicals are nitroxides dis-An updated theory of DNP allows the calculation of the maxim
A, where A is the hyperfine coupling in megahertz (12).