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Rugged dissolved carbon dioxide monitor for high purity water

  • US 4,801,551 A
  • Filed: 10/06/1986
  • Issued: 01/31/1989
  • Est. Priority Date: 10/06/1986
  • Status: Expired due to Fees
First Claim
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1. A method of determining dissolved carbon dioxide concentration in a sample, comprising the steps of:

  • (a) measuring a first cation conductivity in the sample at a first temperature;

    (b) measuring a second cation conductivity in the sample at a second temperature different from the first temperature; and

    (c) determining an actual concentration of carbon dioxide in the sample in dependence upon the first and second measured cation conductivities.

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