几种混凝土用固态参比电极的综合性能对比研究

何奥成, 周祺艳, 肖唐, 屈展庆, 卢向雨, 陈松贵, 冯兴国

Comparison of Comprehensive Properties of Several Solid-state Reference Electrodes for Concrete

HE Aocheng, ZHOU Qiyan, XIAO Tang, QU Zhanqing, LU Xiangyu, CHEN Songgui, FENG Xingguo

表1 4种固态参比电极综合性能比较

Table 1 Comparison of the comprehensive performances of four solid-state reference electrodes

Type of electrode	Stabilization	Reproducibility	Sensitivity on temperature	Sensitivity on pH	Sensitivity on oxygen concentration	Sensitivity on chloride ion content	Comprehensive performance
Powder MnO₂	++++	++++	++	+++	+++	++++	++++
Colloidal MnO₂	+++	+++	++	++++	+++	+++	+++
NiFe₂O₄	++	+++	++++	+++	++++	+++	+++
Graphite	+	++++	+++	+++	+	++	++