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Open Access Quantitative Capillary Supercritical Fluid Chromatography and Supercritical Fluid Extraction of Basic Drugs of Abuse

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Capillary SFC of basic drugs of abuse have been studied using two different columns, and the results were compared with GC. These results have proved the ability of supercritical CO2 to solubilize and extract basic drugs of interest. A novel restrictor has been used to control precisely the flow rate through the extraction cell over a long period of time. Optimal conditions for quantitative recoveries of aqueous morphine adsorbated on C18 silica by SFE has been determined. Recoveries of 100% with a variation of 2% was obtained with an extraction time of 25 min. The influence of the pressure, solvent modifier, and flow rate of extraction fluid on the extraction efficiency was determined. These conditions were also found to be applicable for extracting other drugs of abuse.

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Document Type: Research Article

Publication date: April 1, 1992

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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