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Gas analyzing method and apparatus for performng the same

  • US 3,973,186 A
  • Filed: 08/28/1974
  • Issued: 08/03/1976
  • Est. Priority Date: 09/05/1973
  • Status: Expired due to Term
First Claim
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1. A gas analysing method comprising the steps ofintroducing a gas sample into a microwave rectangular cavity resonator having a Stark electrode;

  • causing the resonator to resonate at a fixed microwave frequency;

    applying an alternating current Stark voltage as well as a direct current Stark voltage to the Stark electrode;

    varying the magnitude of the direct current Stark voltage; and

    observing the absorption spectrum of the gas sample.

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