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Citation: Wu Zhigang, Zhou Zhongbai, Zha Quanxing. A NOVEL ELECTROCHEMICAL GAS-SENSITIVE ELECTRODE[J]. Chinese Journal of Applied Chemistry, ;1988, 5(5): 21-24. shu

A NOVEL ELECTROCHEMICAL GAS-SENSITIVE ELECTRODE

1.
Department of Chemistry, Wukan University

Received Date: 27 July 1987
Available Online: 21 December 1987
Fund Project:

A novel type of gassensitive electrode,a gas thin-layer electrode(GTLE),has been con-structed by using hydrophobic gas diffusing electrode technique.Distinctive peaks appeared on linear sweep voltammetry curves as the result of exhaustive electrolysis of reactants within GTLE.The charge(Q_p) correlated to the current peak was directly proportional to the amount of the reactant component in the pores of GTLE,thus its concentration in the gas sample can be detected. The measuring system is simple in construction,capable of fast sampling(<5S),with lower temperature coefficient(-0.1-0.3%/℃),high sensitivity and good stability.
- Gassensitive electrode,
- Hydrophobic gas diffusing electrode,
- Gas thin-layer eletrode,
- Bulk electrolysis
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