Chemical Details

SAMPLE ORIGIN SAMPLE PREP./SIZE PVROL. CONDITIONS TOTAL ION COUNTS

SPORINITE (from Deep Hard Seam)

H/C ratio 0.98; sporinite 93.0%; micrinite and fusinite 7.0% (see ref. 206)

England suspension in methanol; 20 yg standard 5 X 104

remarks - This pattern appears to be more or less intermediate between that of vitrinite (Spectrum F.26) and fusinite (Spectrum F.24). To some extent, this may reflect technical difficulties in obtaining sporinite fractions free of vitrinite and fusinite. Olefinic series at m/z 42, 56, etc. and m/z 54, 68, etc. appear to dominate the overall pattern as might be expected from a fraction rich in exinitic plant residues.

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