Abstract
Supercritical fluid separations of metal complexes in CO 2 have received little attention in the literature. This is believed to be caused by low solubilities of these compounds in supercritical CO 2. The solubilities of several metals complexed with bis(trifluoroethyl)dithiocarbamate have been determined spectroscopi cally and their behavior in supercritical CO 2 studied using UV-VIS and FT-IR spectroscopy. Fluorination of the ligands in these metal chelates was found to increase solubilities of the complexes by several orders of magnitude.
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