%0 conference lecture %@ %A Loebbecke, S., Meinig, R., Eberhardt, R., Krause, H. %D 1998 %J Proceedings of the 5th Meeting on Supercritical Fluids: Materials and Products Processing. Tome 2: Natural Products Advanced Processes Reactions and Various %P 925-931 %T Spectroscopic investigation of the solvent polarity of different supercritical fluids %U %X