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Updated: Jan 23, 2026

Metal Corrosion and the Efficiency of Corrosion Inhibitors in Less Conductive Media
Published on: November 3, 2018
Experimental and Electrochemical Research of an Efficient Corrosion and Scale Inhibitor
Yanmin Chen1, Weiwei Xing2, Ling Wang3
1College of Chemistry and Chemical Engineering, Zhengzhou Normal University, No.6 Yingcai Street, Zhengzhou 450044, China. yanminchen2011@163.com.
Abstract:
A novel corrosion and scale inhibitor (TPP) containing tobacco stem extract (TSE), polyepoxysuccinic acid (PESA), and polyaspartic acid (PASP) was obtained by the optimal proportion of the orthogonal test. The anticorrosion effect of TPP for carbon steel was researched by static weight-loss method, on-line simulated dynamic test, electrochemical measurement, and scanning electron microscopy (SEM). The results showed that TPP could protect carbon steel efficiently with a maximal corrosion inhibition rate of 85.7% and it was a mixed-type corrosion inhibitor, mainly exhibiting cathode suppression capacity. Simultaneously, the results of calcium carbonate deposition experiment indicated that the scale inhibition rate of TPP was up to 100%.
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