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Voltammetric detector for flow analysis

  • US 5,131,999 A
  • Filed: 01/16/1990
  • Issued: 07/21/1992
  • Est. Priority Date: 01/16/1990
  • Status: Expired due to Fees
First Claim
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1. A wall-jet detector for detecting electrochemical species in continuous-flow monitoring, comprising:

  • a detector cell having an internal chamber of large solution volume where the chamber is open at one end;

    a liquid jet producing means coupled tothe cell housing for providing a liquid jet having a jet direction into said chamber and said liquid jet producing means defining a liquid jet inlet to said chamber;

    a working electrode fabricated on a flat, rectangular slide that is slidably positioned in said cell chamber opposite to said liquid jet inlet at a predetermined distance therefrom, and said working electrode lying in a plane substantially perpendicular to the direction of said liquid jet inlet;

    a reference electrode coupled to the cell and extending into said chamber and positioned outside the boundary layer of said liquid jet;

    a counter electrode coupled tothe cell; and

    a liquid outlet means for permitting the outflow of solution from said chamber where the outlet controls the solution level in the cell chamber so that the level is above the working

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