Qualitative characterization of 370 to 535 C aromatic concentrates of crude oils from GPC analyses / by D. E. Hirsch ...[et al.] - Washington, D.C. : U.S. Dept. of the Interior, 1975. - 26 p. - Report of investigations / Bureau of Mines, U.S. Department of the Interior ; 7974 . - Report of investigations (U.S. Department of the Interior. 7974 .

92045004


Petroleum compounds.
Aromatic compounds.
Gel permeation chromatography.