Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Derek F. Williams"'
Publikováno v:
Fuel. 54:226-235
A novel supercritical-gas (toluene) extract, comprising 17.0% of a low-rank coal, was separated by a combination of solvent fractionation and both silica-gel and gel-permeation chromatography. The average structure of the soluble fractions, together
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5dc1a1996802e4daffe3e875ef545c6c
https://doi.org/10.1016/0016-2361(75)90034-4
https://doi.org/10.1016/0016-2361(75)90034-4
Publikováno v:
Fuel. 58:413-422
The chemical structure of two extracts prepared by supercritical extraction of low-rank coals with toluene, with and without hydrogen, have been determined using solvent and Chromatographic fractionation followed by ultimate analysis, 1 H nuclear mag
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f999fbebbef848b9df6726c989da0a1
https://doi.org/10.1016/0016-2361(79)90081-4
https://doi.org/10.1016/0016-2361(79)90081-4