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Device for use in chemical test procedures

DC
  • US 5,141,868 A
  • Filed: 11/27/1989
  • Issued: 08/25/1992
  • Est. Priority Date: 06/13/1984
  • Status: Expired due to Term
First Claim
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1. A specifically-reactive sample-collecting and testing device consisting essentially of:

  • a pair of plate elements mounted in facing relation so as to define therebetween at least one cavity, said plate elements being spaced apart so that sample liquid can be drawn into and held within the cavity defined therebetween by capillary action;

    electrode means for measuring at least one electrically measurable characteristic of a sample liquid disposed in said cavity, said electrode means comprising an electrically conductive coating of a substance which includes an electrical conductor consisting of at least one of graphite, silver, platinum, gold and copper; and

    a coating of a material related to a test to be carried out in the device disposed on a surface defining said cavity.

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