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Separation of high-boiling petroleum distillates using gradient elution through dual-packed (silica gel-alumina gel) adsorption columns.
Hirsch DE; Hopkins RL; Coleman HJ; Cotton FO; Thompson CJ
Anal Chem 1972 May; 44(6):915-919
The Bureau of Mines has developed a chromatographic separation procedure using a single dual-packed adsorption column containing silica gel and alumina that will separate high-boiling petroleum distillates into four concentrates: saturates, monoaromatics, diaromatics, and polyaromatics-polar. Spectral, adsorption, and radio-tracer data indicate that the concentrates produced are predominantly as labeled. Subdividing the aromatics into major types greatly simplifies subsequent separation and characterization studies.
OP; Journal Article
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Page last reviewed: October 8, 2021
Content source: National Institute for Occupational Safety and Health Education and Information Division