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Method for monitoring agents in hydrocarbon fluids

  • US 6,217,745 B1
  • Filed: 08/24/1999
  • Issued: 04/17/2001
  • Est. Priority Date: 08/24/1999
  • Status: Expired due to Term
First Claim
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1. An apparatus for monitoring at least one electroactive antioxidant or antiwear agent in a hydrocarbon fluid comprising:

  • a) a source of hydrocarbon fluid;

    b) a low pressure and low pulsation pump;

    c) a reservoir in communication with the pump for storing a carrier mobile phase capable of dissolving or emulsifying the hydrocarbon fluid;

    d) an injector located between the pump and the detector for injecting the hydrocarbon fluid into the carrier; and

    e) an electrochemical detector downstream of the injector which senses at least one of said agents in the hydrocarbon fluid.

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