System for analyzing coal liquefaction products

Details System for analyzing coal liquefaction products System for analyzing coal liquefaction products

1982-10-29

1984-05-01

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

73 611C, 210 961, 2101982, 210659, 436140, 436150, 436161, G01N 3108

Patent

active

044461054

ABSTRACT:
A system for analyzing constituents of coal-derived materials comprises three adsorption columns and a flow-control arrangement which permits separation of both aromatic and polar hydrocarbons by use of two eluent streams.

REFERENCES:
patent: 3508880 (1970-04-01), Hrdina
patent: 4154583 (1979-05-01), Favre et al.
patent: 4233156 (1980-11-01), Tsukada et al.
patent: 4271697 (1981-06-01), Mowery, Jr.
patent: 4379751 (1983-04-01), Yoritomi et al.
The Role of HPLC and LC-MS in the Separation and Characterization of Coal Liquefaction Products, Dark et al, Journal of Chromatographic Science, vol. 16, Jul. 1978, pp. 289-293.
Chemically Bonded Aminosilane Stationary Phase for the HPLC Separation of Polynuclear Aromatic Compounds, Wise et al, Analytical Chem., vol. 49, No. 14, Dec. 1977, pp. 2306-2310.
Use of Liquid Chromatography in the Characterization of Asphalts, Dark et al, Journal of Chromatographic Science, vol. 16, Dec. 1978, pp. 610-615.

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