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Table 3
1H
NMR Derived Average Molecule Parameters
Total Aliphatic-H % hydrogen atoms present in paraffinic or naphthenic components of the sample.
Total Olefinic-H % hydrogen atoms present in olefinic groups.
Total Aromatic-H % hydrogen atoms present in mono-, di-, and tri-ring aromatic groups.
HeteroAromatic-H % hydrogen atoms on carbons adjacent to heteroatoms (N, S, O) in heteroaromatic components of the sample.
TriAromatic-H % hydrogen atoms on carbons adjacent to a bridgehead site in a tri-ring aromatic.
DiAromatic-H % hydrogen atoms on carbons adjacent to a bridgehead site in a di-ring aromatic.
MonoAromatic-H % hydrogen atoms in a single ring aromatic group or on the periphery of a polynuclear aromatic group.
Alpha-H % paraffinic or naphthenic protons on carbon directly bonded to an aromatic ring.
CH2-Alpha to 2 Aromatics % hydrogen on methylene groups bridging two aromatic groups.
Alpha-CH2 % hydrogen present on methylene groups directly attached to aromatic groups.
Alpha-CH3 % hydrogen present on methyl groups directly attached to aromatic groups.
Beta-H % hydrogen in CH or CH2 groups in paraffinic or naphthenic groups, more than one carbon removed from an aromatic group.
Beta-CH2 % hydrogen present in naphthenic methylene groups or methylene groups in beta position to an aromatic group.
Paraffinic-CH2 % hydrogen present in paraffinic methylene groups.
Gamma-H % hydrogen present in methyl groups.