UV-visible and ESR spectroelectrochemical study of xylenol orange
✍ Scribed by Shaojun Dong; Shihua Song
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 349 KB
- Volume
- 1
- Category
- Article
- ISSN
- 1040-0397
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The degradation of polyaniline at anodic potentials was studied with in situ UV-Vis spectroscopy of polymer-coated ITO glass electrodes. Spectral changes at high potential values were observed and discussed. Degradation follows first-order kinetics, with rate constants ranging from 8.40 ϫ 10 Ϫ6 to 2
The 19F-NMR spectrum at 30 "C contains one very broad signal, which becomes narrower with decrease in the temperature. At -60°C the chemical shift amounts to -55.1 ppm referred to CC13F as internal standard. The mass spectrum of (3) contains the typical fragments SC-NCS ( m / e = 102), CNCS (70), SC