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RUI Yu-lan, TAN Yi, FU Zhan-da, TIAN Hui-juan. Corrosion Inhibition of BTA and KI for Brass in Seawater[J]. Corrosion & Protection, 2009, 30(4): 223-226.
Citation: RUI Yu-lan, TAN Yi, FU Zhan-da, TIAN Hui-juan. Corrosion Inhibition of BTA and KI for Brass in Seawater[J]. Corrosion & Protection, 2009, 30(4): 223-226.
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Corrosion Inhibition of BTA and KI for Brass in Seawater

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  • Received Date: April 10, 2008
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    • Abstract
  • The synergistic effect between benzotriazole(BTA) and KI on the corrosion inhibition of brass in seawater has been studied using electrochemical polarization,EIS,weight loss,solution analysis,and SEM methods.The results indicated that there was a good synergistic effect between BTA and KI.While the concentration of BTA and KI were 2 mg L-1 and 10 mg L-1,respectively,the inhibition efficiency reached 97.19%.The maximum inhibition efficiency even reached 99.31% considering the adding order of inhibitors.Polarization curves showed that the compound inhibitor of BTA and KI was a mixed inhibitor.SEM images indicated that little or no pitting corrosion occurred on metal surface.Solution analysis revealed that the BTA and KI excellently controled the dezincification of brass in seawater.
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