A 13C CP/MAS NMR investigation of poly(isothianaphthene)
β Scribed by Hoogmartens, I.; Vanderzande, D.; Martens, H.; Gelan, J.
- Book ID
- 123148728
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 161 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0379-6779
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## Abstract ^13^C CP/MAS NMR spectra were recorded to characterize the solidβstate conformation of flavonoids: galangin, kaempferol, quercetin, myricetin, chrysin, apigenin, luteolin, acacetin, hesperetin and naringenin. Correct assignment of the signals in solutionβstate spectra (using APT, HSQC a
A method for temperature calibration of CP/MAS NMR probes and their temperature controllers is described that relies upon known phase changes in the compounds adamantane, d-camphor, pivalic acid and DABCO. The method appears to give a convenient and reliable calibration over the temperature range cu