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Apparatus for electrochemical measurements

  • US 4,342,964 A
  • Filed: 02/14/1980
  • Issued: 08/03/1982
  • Est. Priority Date: 12/04/1978
  • Status: Expired due to Term
First Claim
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1. A device for measuring chemical characteristics of a liquid, said device comprising:

  • a housing having upper and lower end surfaces;

    a longitudinally extending channel in said housing terminating at one end thereof at least upper surface of the housing and adapted to receive a capillary tube containing a sample of the liquid;

    an indicating electrode located about the longitudinal axis of said channel, with said indicating electrode having a tip projecting upwardly into said channel;

    a reference electrode spaced from said indicating electrode;

    a chamber in said housing bridging said reference and indicating electrodes;

    means for introducing an electrolyte into said chamber to cover said electrodes; and

    wherein said channel is adapted to guide an open end of the capillary tube containing the liquid into engagement with the tip of the indicating electrode to displace the electrolyte therefrom whereupon an electrical property is established between the electrodes encompassing the electrolyte which is indicative of the chemical characteristic of the liquid.

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