REFERENCES
- Bodegom, B. V., Rob van Veen, J. A., van Kessel, G. M. M., Sinnige-Nijssen, M. W. A., and Stuiver, H. C. M. 1984. Action of solvents on coal at low temperatures: 1. Low-rank coals. Fuel 63:346–354.
- Giray, E. S. V., Chen, C., Takanohashi, T., and Iino, M. 2000. Increase of the extraction yields of coals by the addition of aromatic amines. Fuel 79:1533–1538.
- Guillen, M. D., Iglesias, M. J., Dominguez, A., and Blanco, C. G. 1992. Semi-quantitative FTIR analysis of a coal tar pitch and its extracts and residues in several organic solvents. Energy Fuels 6:518–525.
- Katoh, T., Yokoyama, S., and Sanada, Y. 1980. Analysis of a coal-derived liquid using high pressure liquid chromatography and synchronous fluorescence spectrometry. Fuel. 59:845–850.
- Lloyd, J., and Evett, I. 1977. Prediction of peak wavelengths and intensities in synchronously excited fluorescence emission spectra. Anal. Chem. 49:1710–1715.
- Makabe, M., and Ouchi, K. 1981. Effect of pressure and temperature on the reaction of coal with alcohol-alkali. Fuel 60:327–329.
- Makabe, M., Hirano, Y., and Ouchi, K. 1978. Extraction increase of coals treated with alcohol-sodium hydroxide at elevated temperatures. Fuel 57:289–292.
- Mayo, F. R., Pavelkat, L. A., Zevely, J. S., and Hirschon, A. T. S. 1988a. Extractions and reactions of coals below 100°C: 3. Comparison of extraction products of Illinois No. 6 coal. Fuel 67:607–611.
- Mayo, F. R., Zevely, J. S., and Pavelk, A L. A. 1988b. Extractions and reactions of coals below 100°C: 1. Solubilities of coals in pyridine and amines. Fuel 67:595–599.
- Mckay, J., and Latham, D. 1972. Fluorescence spectrometry in the characterization of high-boiling petroleum distillates. Anal. Chem. 44:2132–2137.
- Ouchi, K., Hosokawa, S., Maeda, K., and Itoh, H. 1982. Coal hydrogenolysis in the presence of NaOH. Fuel 61:627–630.