Chromatographic analysis of hydrocarbon mixtures

Details Chromatographic analysis of hydrocarbon mixtures Chromatographic analysis of hydrocarbon mixtures

1980-12-10

1983-05-24

Kreitman, Stephen A.

Measuring and testing

Gas analysis

Gas chromatography

422 89, 436140, G01N 3108

Patent

active

043844715

ABSTRACT:
The paraffin, olefin and aromatic compounds in a gasoline containing hydrocarbons up to about C.sub.13 can be analyzed and identified by gas liquid chromatography. The aromatics are reversibly absorbed from the gasoline sample by N,N-bis(2-cyanoethyl) formamide while the olefins are irreversibly absorbed by sulfuric acid. Following separation by compound type, each group is resolved and identified by gas liquid chromatography.

REFERENCES:
patent: 3550428 (1970-12-01), Mator et al.
patent: 4287752 (1981-09-01), Ury
L. Stavinoha et al., "Isolation and Determination of Aromatics in Gasoline by Gas Chrom.", J. Chrom. Sci., vol. 10(9), pp. 583-589, 1972, vol. 79, No. 106597w.
G. Esposito et al., "Aromatic-Aliphatic selectivity of Cyanoethyl Liquid Phases", J. Paint Tech., vol. 44(568), pp. 77-79, 1972, vol. 79, No. 76735.
Schulz et al., 27 Erdoel Kohle, Erdgas 25, Petrochem, Brennst-Chem., 345-352, 1974.

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