EIS STUDY ON ZINC RICH PAINTS IN 3.5% NaCl SOLUTION BY DOUBLE-CELL TEST

金属学报(英文版), 2002, 15(3): 299-306.

^1, , ^2, , ^3, , ^4,

1.Department of Chemistry, Zhejiang University, Hangzhou 310027, China

2.Department of Chemistry, Zhejiang University, Hangzhou 310027, China

3.Department of Chemistry, Zhejiang University, Hangzhou 310027, China

4.Department of Chemistry, Zhejiang University, Hangzhou 310027, China; State Key Laboratory for Corrosion and Protection of Metals, Institute of Metal Research, The Chinese Academy of Sciences, Shenyang 110016, China

基金项目: 国家重点基础研究发展计划(973计划)(G19990650) 中国博士后科学基金

EIS STUDY ON ZINC RICH PAINTS IN 3.5% NaCl SOLUTION BY DOUBLE-CELL TEST

Keywords： serial double-cell

This paper discussed the possibility of obtaining electrochemical impedance spec-troscopy (EIS) responses of zinc rich paints (ZRP) using serial double-cell (SDC).The influence of counter electrode was outlined. An equivalent circuit (EC) for thedouble-cell was then discussed. The relationship between EC, the time constant, theparameters in EC of SDC and those of two single cells was also discussed. The resultsgained by serial double cell test are consistent with those of single cell test. It can beconcluded that double cell test method can be used to study ZRP completely.

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EIS STUDY ON ZINC RICH PAINTS IN 3.5% NaCl SOLUTION BY DOUBLE-CELL TEST

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