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Experimental and theoretical investigation of inhibition behavior of 2-((4-(dimethylamino)benzylidene)amino)benzenethiol for carbon steel in HCl solution

Corrosion Science, ISSN: 0010-938X, Vol: 184, Page: 109376
2021
  • 40
    Citations
  • 0
    Usage
  • 19
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    40
    • Citation Indexes
      40
  • Captures
    19

Article Description

2-((4-(dimethylamino) benzylidene)amino)benzenethiol (DBB) compound has been synthesized and tested for prevention of carbon steel corrosion in HCl at different temperatures. The research was carried out using electrochemical and microscopic techniques. Extended tests were conducted at 25 °C while short-term tests were performed at 25 °C and 55 °C. The inhibition efficiency increased with increasing temperature and increasing immersion time. Temperature rise changed the inhibitor's adsorption character. Activation parameters E a, Δ H a * and Δ S a * were evaluated and discussed. Inhibition properties of DBB was investigated by quantum chemical calculation at wB97XD/6-311+G(d) level in water in a bid to predict DBB interaction with metal.

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