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Critical Impact of Chloride Containing Reference Electrodes on Electrochemical Measurements
Electroanalysis ( IF 2.7 ) Pub Date : 2017-09-20 , DOI: 10.1002/elan.201700379 C. Lämmel 1 , C. Heubner 2 , T. Liebmann 1 , M. Schneider 1
Electroanalysis ( IF 2.7 ) Pub Date : 2017-09-20 , DOI: 10.1002/elan.201700379 C. Lämmel 1 , C. Heubner 2 , T. Liebmann 1 , M. Schneider 1
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Chloride containing reference electrodes, such as various silver-silver chloride electrodes, are well established in electrochemical analyses. Usually less attention is paid to the influence of potential chloride contamination of electrochemical measurements. Herein, the impact of the chloride leakage rate is studied by means of experiments concerning the anodic oxidation of aluminum. Based on the results, the authors determine critical leakage rates, depending on typical electrolyte volumes and experimental conditions. The results demonstrate that chloride leakage can significantly influence electrochemical measurements, even at ultra-low leakage rates. A guideline for the usage of chloride containing reference electrodes is deduced from the experimental results and theoretical considerations.
中文翻译：
含氯参比电极对电化学测量的关键影响
含氯化物的参比电极，例如各种银-氯化银电极，在电化学分析中已得到广泛应用。通常较少关注电化学测量中潜在氯化物污染的影响。在此，通过铝阳极氧化实验研究氯化物泄漏率的影响。基于这些结果，作者根据典型的电解液体积和实验条件确定了临界泄漏率。结果表明，即使在超低泄漏率下，氯化物泄漏也会显着影响电化学测量。根据实验结果和理论考虑推导出含氯化物参比电极的使用指南。
更新日期：2017-09-20
中文翻译：
含氯参比电极对电化学测量的关键影响
含氯化物的参比电极，例如各种银-氯化银电极，在电化学分析中已得到广泛应用。通常较少关注电化学测量中潜在氯化物污染的影响。在此，通过铝阳极氧化实验研究氯化物泄漏率的影响。基于这些结果，作者根据典型的电解液体积和实验条件确定了临界泄漏率。结果表明，即使在超低泄漏率下，氯化物泄漏也会显着影响电化学测量。根据实验结果和理论考虑推导出含氯化物参比电极的使用指南。
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