Gas Chromatographic Analysis of Alkyl-Substituted Paraffins
- 1 February 1986
- journal article
- Published by Oxford University Press (OUP) in Journal of Chromatographic Science
- Vol. 24 (2) , 53-59
- https://doi.org/10.1093/chromsci/24.2.53
Abstract
This paper is devoted to the gas chromatographic (GC) analysis of various alkyl-substituted paraffins in the C10 to C30+ range. Several mixtures of olefinic compounds were prepared by co-oligomerization of ethylene and different alpha olefins to mixtures of linear alpha olefins, internal linear olefins, vinylidene olefins, and alkyl-branched alpha olefins. These olefinic mixtures were subsequently hydrogenated with Raney nickel to the mixtures of alkyl-substituted paraffins. Peak assignments in the gas chromatograms of these mixtures were performed on the basis of the comparison with known compounds, the comparison of the GC patterns in different mixtures, correlations between the boiling points of different compounds and their peak positions in the chromatograms, and the inferences based on expected structures of olefins formed in the oligomerization reactions and respective paraffins. The results of this analysis were correlations between peak positions in gas chromatograms and the structure of various monoalkyl-substituted paraffins.Keywords
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