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Title: Multiple frequency method for operating electrochemical sensors

Patent ·
OSTI ID:1042652
 [1]
  1. San Ramon, CA
+ Show Author Affiliations

A multiple frequency method for the operation of a sensor to measure a parameter of interest using calibration information including the steps of exciting the sensor at a first frequency providing a first sensor response, exciting the sensor at a second frequency providing a second sensor response, using the second sensor response at the second frequency and the calibration information to produce a calculated concentration of the interfering parameters, using the first sensor response at the first frequency, the calculated concentration of the interfering parameters, and the calibration information to measure the parameter of interest.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
W-7405-ENG-48
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
Patent Number(s):
8,177,957
Application Number:
11/893,751
OSTI ID:
1042652
Country of Publication:
United States
Language:
English

References (5)

Impedance-metric Pt/YSZ/Au–Ga2O3 sensor for CO detection at high temperature journal September 2005
Impedancemetric NO[sub x] Sensing Using YSZ Electrolyte and YSZ∕Cr[sub 2]O[sub 3] Composite Electrodes journal January 2007
Impedancemetric gas sensor based on zirconia solid electrolyte and oxide sensing electrode for detecting total NOx at high temperature journal August 2003
Detection of combustible hydrogen-containing gases by using impedancemetric zirconia-based water-vapor sensor journal October 2005
Impedancemetric sensor based on YSZ and In2O3 for detection of low concentrations of water vapor at high temperature journal October 2004

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