Continuous electrolytically regenerated packed bed suppressor for ion chromatography

  • US 6,508,985 B2
  • Filed: 06/08/2001
  • Issued: 01/21/2003
  • Est. Priority Date: 02/26/1998
  • Status: Expired due to Term
First Claim
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1. A suppressor for ion chromatography comprising:

  • (a) a flow-through suppressor adapted for continuous suppression and comprising an ion exchange resin bed having exchangeable ions of one charge, positive or negative, serving as a source of suppressing ions, said resin bed having an inlet section and an adjacent outlet section, said suppressor defining a liquid sample stream flow path between said resin bed inlet and outlet sections, (b) at least one electrode chamber adjacent to said resin bed inlet section but not adjacent said resin bed outlet section, (c) a first electrode disposed in said one electrode chamber in electrical communication with but not in direct contact with said flow path, and (d) a second electrode disposed in or adjacent to said suppressor resin bed outlet section in electrical communication with said resin bed but not in or adjacent to said suppressor bed inlet section.

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