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Characterization of asphaltenes by pyrolysis and chromatography

✍ Scribed by F. Behar; R. Pelet


Publisher
Elsevier Science
Year
1984
Tongue
English
Weight
855 KB
Volume
7
Category
Article
ISSN
0165-2370

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πŸ“œ SIMILAR VOLUMES


Pyrolysis/gas chromatography/mass spectr
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Two n-heptane-precipitated asphaltene samples, characterized by elemental analysis and nuclear magnetic resonance spectrometry, were fractionated according to relative molecular size by gel permeation chromatography (CPC). Both the whole asphaltene samples and their fractions were analysed by pyroly

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## Abstract A series of substituted acetylenes has been polymerized with WOCl~4~/Ph~4~Sn metathesis catalyst and [Rh(cod)OMe]~2~ insertion catalyst, and the thermal degradation of the polyacetylenes prepared has been studied using pyrolysis capillary gas chromatography (Py‐GC) with flame ionization