RESINS OF PEAT AND BROWN-COAL BITUMENS.

被引：0
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作者：
Bel'kevich, P.I.
Dolidovich, E.F.
Kaganovich, F.L.
Yurkevich, E.A.
Prokhorov, G.M.
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来源：
Solid Fuel Chemistry | 1982年 / 16卷 / 03期
关键词：
CHEMICAL ANALYSIS - Resin Determination - CHROMATOGRAPHIC ANALYSIS - COAL - Extraction - PARAFFIN WAXES - Chemistry;
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摘要：
In the reported experiments, individual component resins of peat wax and South-Urals brown-coal bitumen have been isolated and compared. It has been shown that the resins of peat wax contain 5. 9% of a mixture of sterols and traces of triterpenoids: betulin, friedelin, and friedelan-3 beta -ol. The resin of the South-Urals brown-coal bitumen contains only 0. 7% of steroid derivatives different from the sterols of the peat wax resin but a considerable amount of friedelin, friedelan-3 alpha -ol, and friedelan-3 beta -ol.
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页码：51 / 55
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