• P-ISSN1225-0163
  • E-ISSN2288-8985
  • SCOPUS, ESCI, KCI

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  • P-ISSN 1225-0163
  • E-ISSN 2288-8985

Study on Characterization of Galvanic Oxygen Sensor

Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1994, v.7 no.3, pp.371-378
Cho, Dong-Hoe
Park, Myon-Yong
Lee, Byoung-Cho
Chung, Koo-Chun
Park, Jongman
Lee, Kyeong-Jae
Chung, Sung-Sook
Park, Sun-Young
Lee, Kwang-Woo
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Abstract

The detection range of this galvanic oxygen sensor for oxygen concentration was 0.0% to 20.0%. By using gold or silver as cathode, reproducible response time and sensitivity to change of oxygen concentration were observed. The anode was Pb-Sn-Ca alloy. Oxygen selective permeable membrane was hydrophobic and porous Teflon film. The effect of the membranes varying in thickness have been studied on the temperature(<TEX>$10{\sim}50^{\circ}C$</TEX>) and relative humidity(R. H 0~99%). Lead acetate buffer solution as the electrolyte has shown a high output voltage and longer life.

keywords
Galvanic Oxygen Sensor, Oxygen Permeable Membrane


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