A coal tar pitch from the high temperature coking of coal has been fractionated by planar chromatography into fractions immobile in pyridine, mobile in pyridine but not mobile in acetonitrile, and mobile in both solvents. Fractions have been examined by pyrolysis-gas chromatography/mass spectrometry
β¦ LIBER β¦
Pyrolysis-gas chromatography/mass spectrometry of a coal extract and its fractions separated by planar chromatography: correlation of structural features with molecular mass
β Scribed by C. A. Islas; I. Suelves; J. F. Carter; A. A. Herod; R. Kandiyoti
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 195 KB
- Volume
- 14
- Category
- Article
- ISSN
- 0951-4198
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This work presents the results of a study involving a high-inertinite coal Ε½ . from Amando Simoes Mine, located in Parana state Brazil . The organic matter ΛΕ½ . was extracted in a supercritical fluid static mode apparatus using toluene as the extraction fluid in the presence of hydrogen. The variabl