Fluorescence spectroscopy in the characterization of coal-derived liquids
โ Scribed by John R. Kershaw
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- English
- Weight
- 534 KB
- Volume
- 57
- Category
- Article
- ISSN
- 0016-2361
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๐ SIMILAR VOLUMES
The mass range and the number-average molecular weight of coal-derived liquids upgraded with various catalysts were determined by field-ionization mass spectrometry (FIMS). The differences in the main components in liquids upgraded with HDS (hydrodesulphurization) and zeolite catalysts were clarifie
Fourier-transform infrared spectroscopy offers considerable advantages over conventional dispersive methods for the characterization of highly absorbing materials such as coal. This technique has been applied to the determination of the functional groups present in three solvent-refined-coal samples