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Spectra obtained by High Resolution Spectrofluorimetry (HRS) in n-alkane matrices are more resolved and more structured than those obtained in nitrogen matrix. Analysis of petroleum and marine sediment fractions obtained by a two steps HPLC procedure allow us to identify and quantify the five isomers of the monomethylphenanthrene by HRS in n-hexane at 15K. Some results are compared with those obtained by GC-MS analysis.
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Garrigues et al. (1982) studied this question.
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