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Apparatus and method for supercritical fluid extraction

  • US 5,690,828 A
  • Filed: 02/14/1996
  • Issued: 11/25/1997
  • Est. Priority Date: 07/13/1990
  • Status: Expired due to Fees
First Claim
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1. Apparatus for supercritical fluid extraction, comprising:

  • means for performing supercritical fluid extraction;

    collection means for collecting analyte;

    said collection means being in contact with said means for performing supercritical fluid extraction;

    said collection means including means for storing a plurality of collection vials and for moving at least one collecting vial from said plurality of collection vials into position to receive analyte and means for controlling the temperature of the at least one collection vial;

    said means for controlling the temperature including an aluminum block in contact with the at least one collection vial;

    said aluminum block being pivotable and slidable with respect to the at least one collection vial; and

    said block incorporating at least one of CO2 cooling and electric heating means.

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