An electron-microscopic diffraction technique has been described to record with ease diffraction patterns of cotton cellulose with 3-5 sec exposure time, which is suited to determine the crystallinity of cellulose. The % crystallinity index for cotton and ramie determined by this technique amounted
Effect of accelerating potential on the determination of structural parameters of cellulose by electron diffraction technique
β Scribed by K. M. Paralikar; S. M. Betrabet
- Publisher
- John Wiley and Sons
- Year
- 1978
- Tongue
- English
- Weight
- 517 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0021-8995
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Empirical solvatochromic polarity parameters ( a-, b-, and p\*, AN and DN, as well as E T (30)-values) for cellulose, N,N-dimethylacetamide (DMA)/LiCl and cellulose dissolved in DMA/LiCl are presented. The following solvent polarity indicators were applied: 2,6-diphenyl-4-(2,4,6-triphenyl-1-pyridini