Polynuclear Aromatic Compounds in Coal

Polynuclear Aromatic Compounds in Coal

IN a recent communication, Friedel 1 compared the specific extinction coefficients of coal at two wave-lengths with those of various polynuclear aromatics and found the values for coal (a Pittsburgh vitrain containing 84 per cent carbon) 30–40 times lower than those for the model substances. From th...

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Veröffentlicht in:Nature (London) 1958-03, Vol.181 (4609), p.640-641
Hauptverfasser: VAN KREVELEN, D. W., GROENEWEGE, M. P., RIETVELD, B. J.
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container_issue 4609
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container_title Nature (London)
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creator VAN KREVELEN, D. W.
GROENEWEGE, M. P.
RIETVELD, B. J.
description IN a recent communication, Friedel 1 compared the specific extinction coefficients of coal at two wave-lengths with those of various polynuclear aromatics and found the values for coal (a Pittsburgh vitrain containing 84 per cent carbon) 30–40 times lower than those for the model substances. From these data Friedel concluded that the concentration of polynuclear condensed aromatics in coal is low.
doi_str_mv 10.1038/181640a0
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Science
Science (multidisciplinary)
title Polynuclear Aromatic Compounds in Coal
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