$Composition of the wax fraction of bitumen from methylated brown coals$

Composition of the wax fraction of bitumen from methylated brown coals

Changes in the group and individual compositions of the wax fractions of bitumen in the course of brown coal methylation were studied. With the use of IR and NMR spectroscopy and chromatography-mass spectrometry, it was found that the esters of methylated coal waxes consisted of the native esters of...

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Veröffentlicht in:	Solid fuel chemistry 2009-04, Vol.43 (2), p.71-79
Hauptverfasser:	Zherebtsov, S. I., Moiseev, A. I.
Format:	Artikel
Sprache:	eng
Schlagworte:	01 COAL, LIGNITE, AND PEAT ALKYLATION BITUMENS BROWN COAL CHEMICAL COMPOSITION Chemistry Chemistry and Materials Science ESTERIFICATION HEXANE INFRARED SPECTROMETERS METHANOL METHYLATION NUCLEAR MAGNETIC RESONANCE Physical Chemistry WAXES YIELDS
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