全固态Ag/AgCl参比电极电位</br>稳定性的影响因素

中国腐蚀与防护学报

2013, Vol. 33

Issue (3): 231-234

本期目录 | 过刊浏览

全固态Ag/AgCl参比电极电位
稳定性的影响因素

辛永磊许立坤尹鹏飞王均涛李相波

中国船舶重工集团公司第七二五研究所海洋腐蚀与防护国防科技重点实验室青岛 266101

Factors Influencing Potential Stability of a Solid
Ag/AgCl Reference Electrode

XIN Yonglei, XU Likun, YIN Pengfei, WANG Juntao, LI Xiangbo

State key Laboratory for Marine Corrosion and Protection, Luoyang Ship Material Research Institute, Qingdao 266101, China

全文: PDF(527 KB)

摘要: 采用热浸涂-电化学还原工艺制备得到全固态Ag/AgCl参比电极，并研究了Cl^-浓度、温度、光照、水流流速及pH值对电极的影响。结果表明，制备的全固态Ag/AgCl参比电极Nernst响应和温度响应特性较好，温度系数较小；当溶液中有溶解氧存在时，光照会使电极表面生成Ag₂O，使电极电位发生漂移；随海水流动速度的升高，Ag/AgCl参比电极的电极电位呈下降趋势，而pH值的变化对电极电位基本没有影响。

关键词 ： Ag/AgCl, 参比电极, Nernst响应, 温度, 光照

Abstract：The all-solid-state Ag/AgCl reference electrode was prepared by thermal-dip coating and electrochemical reduction method. Effects of chloride ion concentration, temperature, light, pH and seawater flow on the potential of the Ag/AgCl reference electrode were studied in this paper. The results showed that the as-prepared Ag/AgCl reference electrode had good Nernst response and temperature response characteristic. If dissolved oxygen existed in the solution, on the electrode surface Ag₂O formed under sunshine and the electrode potential drifted. The flow rate of seawater had great effect on the electrode potential, however，the influence of pH value was minimal.

Key words： Ag/AgCl reference electrode Nernst response temperature light illumination

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引用本文:

辛永磊许立坤尹鹏飞王均涛李相波. 全固态Ag/AgCl参比电极电位
稳定性的影响因素[J]. 中国腐蚀与防护学报, 2013, 33(3): 231-234.
. Factors Influencing Potential Stability of a Solid
Ag/AgCl Reference Electrode. Journal of Chinese Society for Corrosion and protection, 2013, 33(3): 231-234.

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https://www.jcscp.org/CN/ 或 https://www.jcscp.org/CN/Y2013/V33/I3/231

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