Microstructure of poly(2-vinylpyridine): correlation between 13C and 1n.m.r. determinations
β Scribed by M. Brigodiot; H. Cheradame; M. Fontanille; J.P. Vairon
- Publisher
- Elsevier Science
- Year
- 1976
- Tongue
- English
- Weight
- 244 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0032-3861
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## Abstract ^13^C n.m.r. spectra of a series of __N__,__N__βdisubstituted thioamides have been recorded and signal assignments were performed. Separate signals are observed for methylene groups fixed on the nitrogen atom. Since the carbon atom __syn__ to the thiocarbonyl sulfur resonates at higher
elevating control of emitter heating current ranging at least from 6 to 12 mA was found to be essential. In conclusion, a combination of emitter heating current control and the accumulation of ions on a photographic plate or through a computer will be indispensable in the measurement of mixtures. Th