Advances in Coal Spectroscopy - download pdf or read online

By Michael L. Jones, David P. Kalmanovitch (auth.), Henk L. C. Meuzelaar (eds.)

ISBN-10: 0306437961

ISBN-13: 9780306437960

ISBN-10: 1489936718

ISBN-13: 9781489936714

ISBN-10: 1489936734

ISBN-13: 9781489936738

The prior decade has witnessed significant advances in our realizing of the chemical composition, constitution, and reactivity of the complicated organic-rich fossil topic referred to as "coal. " however, vital medical questions bearing on molecular weight distributions, measure of crosslinking, commonplace duster sizes, form of interconnecting bridges, the prospective position of a "mobile phase," and the character of natural sulfur kinds stay themes of heated debate. furthermore, there seems to be a striking loss of consensus in regards to the total path and targets of structural elucidation paintings. Is it important to check entire coal samples, or may still we separate out some of the, kind of well-defined, maceral and mineral elements sooner than trying to describe the structural and compositional positive aspects of coal on the molecular Ievel? moment, should still there be extra emphasis on key structural positive factors and general statistical parameters, or is it essential to determine person chemical constructions in massive element? From the advancements of the earlier decade it truly is transparent that complicated spectroscopic recommendations are enjoying an more and more vital function in resolving tough questions with reference to the chemical constitution and composition of coal. in addition, it has turn into both transparent that no unmarried spectroscopic method promises the entire solutions yet a number of recommendations have to be utilized in a hugely built-in and synergistic manner.

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Prins, X-ray Absorption Spectroscopy, Wiley, New York, 1988. 2. P. A. Lee, P. H. Citrin, P. Eisenberger, and B. M. Kincaid, Rev. Mod. Phys. 53 (1981) 769. 3. Herman Winnick, Properties of synchrotron radiation, in: Synchrotron Radiation Research, (H. Winnick and S. ) pp. 11-24, Plenum Press, New York, 1980. 4. J. Wong, F. W. Lytle, R. P. Messmer, and D. H. Maylotte, Phys. Rev. B 30 (1984) 5596. 5. G. P. Huffman, F. E. Huggins, S. Mitra, N. Shah, R. J. Pugmire, B. Davis, F. W. Lytle, and R. B. Greegor, Energy and Fuels 3 (1989) 200.

The approach used allows detailed comparison and analysis of the data obtained. 3. Results and Discussion To demonstrate the capabilities of the SEM and miereprobe techniques to study coal and coal ash products, some examples of typical data generated by these techniques from various coals and their interpretation are presented. 1. Coa/ Analysis Low-rank coals are typically characterized by CCSEM in combination with chemical fractionation to gain a comprehensive knowledge of the Table 1-3. 00 13 APPL/CAT/ON OF SEM TECHN/QUES inorganics present.

E. Straszheim and R. Markuszewski, Automated image analysis of mineral matter in raw and supercleaned coals, Am. Chem. , Div. , Prepr. 29 (1984) 310. 14. W. E. Straszheim, J. G. Yousling, K. A. Younkin, and R. Markuszewski, Mineralogical characterization of lower-rank coals by SEM-based automated image analysis and energydispersive X-ray spectrometry, Fuel 67 (1988). APPL/CA T/ON OF SEM TECHN/QUES 27 15. S. A. Benson, C. J. Zygarlicke, E. N. Steadman, and F. R. Karner, Geochemistry and mineralogy of Fort Union Iignites, in: Geology and Utilization of Fort Union Lignites (R.

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Advances in Coal Spectroscopy by Michael L. Jones, David P. Kalmanovitch (auth.), Henk L. C. Meuzelaar (eds.)

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