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A Comparative Study of Corrosion Rate Measurement Using Capacity Analysis and Weight Loss |
Received:July 04, 2017 Revised:October 29, 2017 |
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DOI:doi:10.3969/j.issn.2095-1035.2018.01.007 |
KeyWord:redox titration; weight loss; carbon steel; corrosion rate; heterogeneity |
Author | Institution |
SU Tiejun |
长江大学工程技术学院,湖北 荆州 |
CAO Fa |
长江大学工程技术学院,湖北 荆州 |
YANG Fan |
长江大学工程技术学院,湖北 荆州 |
LIU Guihui |
长江大学工程技术学院,湖北 荆州 |
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Abstract: |
Weight loss method is a standard test to measure corrosion rate of acidification process, however, the process is complicated and time consuming. In order to fulfil this deficiency of weight loss method, the present study reports the feasibility of using fast redox titration method for corrosion rate measurement. The difference between weight loss method and capacity analysis was discussed. The results showed that the relative average deviation between weight loss method and redox titration is not more than 4%. The contact angle analysis revealed that this difference is due to the increase of carbon steel surface heterogeneity. |
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