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首页> 外文会议>Proceedings of the 3rd Pan American materials congress >Green Extract of Mate Tea as Corrosion Inhibitor of Copper and Aluminum
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Green Extract of Mate Tea as Corrosion Inhibitor of Copper and Aluminum

机译：伴侣茶绿色提取物对铜和铝的缓蚀作用

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摘要

Many of the corrosion inhibitors in current use are expensive and toxic so the current trend is to study compounds that are environmentally friendly and efficient. Inhibitors are easy to use and they have the additional advantage that can be applied in situ and without causing significant disruption in the process. In the present work we investigate the influence of the aqueous extract of yerba mate as corrosion inhibitor of copper and aluminum in 0.5 M NaCl and 1 M HC1 solutions, using different electrochemical techniques. The following inhibition efficiencies: 56% for copper in 0.5 M NaCl with 25% concentration of extract, 17% for copper in 1 M HC1 with 5% concentration of extract, and 99% for aluminum in 0.5 M NaCl for 1% concentration of extract were obtained by potentiodynamic polarization.
机译：当前使用的许多腐蚀抑制剂价格昂贵且有毒，因此当前的趋势是研究对环境友好且有效的化合物。抑制剂易于使用，并且具有可在现场使用且不会造成工艺中断的其他优点。在目前的工作中，我们使用不同的电化学技术研究了在0.5 M NaCl和1 M HCl溶液中作为铜和铝的腐蚀抑制剂的大麦酸水提取物的影响。以下抑制效率：0.5％NaCl中铜的56％，萃取物浓度为25％； 1M HCl中铜17％，萃取物浓度为5％； 0.5％NaCl中铝，对于1％萃取物的浓度为99％通过电位动力学极化获得。

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  • 来源
  • 会议地点 San Diego(US)
  • 作者

    Ana M. Derna; Claudia M. Mendez; Lilians M. Gassa; and Alicia E. Ares;

  • 作者单位

    Faculty of Sciences, National University of Misiones, 1552 Azara Street, 3300 Posadas, Misiones, Argentina;

    Faculty of Sciences, National University of Misiones, 1552 Azara Street, 3300 Posadas, Misiones, Argentina;

    CIC of the National Research Council (CONICET) of Argentina,Buenos Aires, Argentina,Instituto de Investigaciones Fisicoquimicas Teoricas y Aplicadas,INIFTA, Calle 64 Diag, 113, 1900 La Plata, Buenos Aires, Argentina;

    Faculty of Sciences, National University of Misiones, 1552 Azara Street, 3300 Posadas, Misiones, Argentina,CIC of the National Research Council (CONICET) of Argentina,Buenos Aires, Argentina;

  • 会议组织
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Inhibitors; Mate tea; Copper; Aluminum; Corrosion parameters;

    机译：抑制剂；伴侣茶；铜;铝;腐蚀参数;

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