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Figure 3. IH NMR spectra of aromatic fractions from tar sands bitumen...

$Figure 3. IH NMR spectra of aromatic fractions from tar sands bitumen...$

The 13C NMR spectra of aromatic fractions (Figure 9) and average parameter calculations therefrom (Table IX) indicate that biological reactions primarily occurred on the condensed aromatic rings and the... [Pg.56]

See other pages where NMR spectra of aromatic fractions is mentioned: [Pg.57]