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Separation of high-boiling petroleum distillates using gradient elution through dual-packed (silica gel-alumina gel) adsorption columns.

Authors
Hirsch-DE; Hopkins-RL; Coleman-HJ; Cotton-FO; Thompson-CJ
Source
Anal Chem 1972 May; 44(6):915-919
NIOSHTIC No.
10010392
Abstract
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.
CODEN
ANCHAM
Publication Date
19720501
Document Type
OP; Journal Article
Fiscal Year
1972
NTIS Accession No.
NTIS Price
Identifying No.
OP 95-72
Issue of Publication
6
ISSN
0003-2700
NIOSH Division
BERC
Source Name
Analytical Chemistry
State
OK
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