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Method of calibrating conductive metal oxide electrodes

  • US 4,551,209 A
  • Filed: 01/19/1984
  • Issued: 11/05/1985
  • Est. Priority Date: 01/19/1984
  • Status: Expired due to Term
First Claim
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1. A method for calibrating conductive metal oxide electrodes wherein the oxide is an oxide of a metal selected from the group consisting of platinum and rhenium group metals comprising the steps of:

  • immersing said metal oxide electrode into a solution of known pH;

    immersing a reference electrode into said solution, andapplying across said metal oxide electrode and said reference electrode a potential equal to approximately the steady state potential that is observed for a second electrode having substantially the same chemical composition as said metal oxide electrode when said second second electrode is immersed in a solution of the same pH and is allowed to stabliize slowly in open circuit conditions.

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