产品描述：参考电极为Ag/AgCl电极。它作为氧化还原(铂)电极电位差的参考点。它由一个银丝用AgCl封好，放入3 M溶液中氯化钾。电解液的电接触是由周围的土壤通过陶瓷隔膜提供的。

英文描述：The reference electrode is an Ag/AgCl electrode. It functions as reference point for the potentials difference to the redox-(Platinum-)electrode. It consists of a silver wire which is sealed with AgCl and plunged into a 3 M solution of potassium chloride. The electrical contact of the electrolyte solution to the surrounding soil is given by a ceramic diaphragm.

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