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Sulfur in lignite :form and transformations on thermal treatment

Leonardite :a lignite byproduct

Infrared spectra of hydroxy-aromatic organic compounds :(Supplement to R.I. 5505)

An examination of a low-temperature tar from a North Dakota lignite

Cell with four variable compartments for rapid infrared analysis

Changes in ash composition of North Dakota lignite treated by ion exchange

Coal-derived humus :plant growth effects

Published Year

• 1960-1969 (7) *

Subject

• Lignite (2)
• Aromatic compounds (1)
• Coal (1)
• Humus--Testing (1)
• Infrared equipment (1)
• Infrared spectra (1)
• Ion exchange (1)
• Leonardite (1)
• Lignite--North Dakota (1)

Author

• Fowkes, Walter W. (7) *
• Beckering, Willis. (2)
• Frost, Clyde M. (2)
• Beckering, W. (1)
• Freeman, P. G. (1)
• Freeman, Philip G. (1)
• Frost, C. M. (1)
• Hoeppner, J. J. (1)
• Paulson, Leland E. (1)
• Youngs, R. W. (1)

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