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Comparative Study on Performance of Engineering Ag/AgCl Reference Electrode |
Received:September 28, 2010 Revised:June 15, 2011 |
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KeyWord:reference electrode powder press method thermal dip-coating method Ag/AgCl |
Author | Institution |
YIN Peng-fei |
Qingdao Research Institute for Marine Corrosion, Qingdao , China |
MA Chang-jiang |
Qingdao Research Institute for Marine Corrosion, Qingdao , China |
XU Li-kun |
Qingdao Branch of Luoyang Ship Material Research Institute, Qingdao , China |
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Abstract: |
Ag/AgCl reference electrodes for engineering were prepared with powder press and thermal dip-coating method. The electrochemical test result showed that the potential stability of them were both good; the Ag/AgCl reference electrode prepared with thermal dip-coating method has smaller polarization resistance than the one prepared with powder press method; the temperature coefficient of Ag/AgCl reference electrodes prepared with thermal dip-coating and powder press method are both small. It showed that the relative flow velocity of seawater has obvious effect on the electrode potential; encapsulation of reference electrodes can improve their potential stability in flowing seawater. |
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