ISSN:
1476-4687
Quelle:
Nature Archives 1869 - 2009
Thema:
Biologie
,
Chemie und Pharmazie
,
Medizin
,
Allgemeine Naturwissenschaft
,
Physik
Notizen:
[Auszug] The compound mixtures analysed were obtained by two sequential extraction steps, namely extraction of pulverized shale with benzene/methanol, followed by extraction of the kerogen material which remained after treatment with hydrofluoric and hydrochloric acid of the exhaustively extracted shale ...
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1038/226075a0