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首页> 外文期刊>American Journal of Analytical Chemistry >Conductivity Method as a New Monitoring Technique for Corrosion and Corrosion Inhibition Processes of Zinc Metal
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Conductivity Method as a New Monitoring Technique for Corrosion and Corrosion Inhibition Processes of Zinc Metal

机译：电导率作为锌金属腐蚀和腐蚀抑制过程的新监测技术

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摘要

The electrical conductivity method was successfully applied as a new monitoring technique to monitor the corrosion and corrosion inhibition processes of zinc metal. Measurements of electrical conductivity at 20.0°C of three different corrosive solutions (HCl, NaOH, and NaCl) were performed with two different concentrations (0.10 and 1.00 M) containing zinc sheets in the absence and presence of four different concentrations of sodium lignosulfonate (1.0, 5.0, 10.0, and 20.0 mM). The analysis of curves that illustrates the changes in electrical conductivity of these solutions provides qualitative information about the strength of corrosion as well as the extent of corrosion inhibition behavior. The results obtained from electrical conductivity measurements revealed that sodium lignosulfonate was an effective corrosion inhibitor in acidic medium (for both 0.10 and 1.00 M HCl) in which it converted into lignosulfonic acid, but was less effective in salt and alkaline media.
机译：电导率方法被成功应用作为一种新的监测技术，以监测锌金属的腐蚀和腐蚀抑制过程。在不存在和存在四种不同浓度的木质素磺酸钠（1.0）的情况下，用两种不同浓度（0.10和1.00m）进行三种不同腐蚀溶液（HCl，NaOH和NaCl）的电导率的测量。 ，5.0,10.0和20.0 mm）。说明这些解决方案的电导率变化的曲线分析提供了关于腐蚀强度以及腐蚀抑制行为的程度的定性信息。从导电率测量获得的结果表明，木质素磺酸钠是酸性介质中的有效腐蚀抑制剂（对于0.10和1.00M HCl），其中它转化成木质素磺酸，但在盐和碱性介质中较小。

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