| 硝酸钠与十二烷基苯磺酸钠在二氧化氯介质中对铝合金的协同缓蚀作用研究 |
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| 引用本文： | 王奎涛,鲁楠,高金龙,吴海霞,李文亚.硝酸钠与十二烷基苯磺酸钠在二氧化氯介质中对铝合金的协同缓蚀作用研究[J].河北科技大学学报,2012,33(3):215-219. |
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| 作者姓名： | 王奎涛 鲁楠 高金龙 吴海霞 李文亚 |
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| 作者单位： | 河北科技大学化学与制药工程学院,河北石家庄050018;河北科技大学河北省药物化工工程技术研究中心,河北石家庄050018 |
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| 摘 要： | 为了探讨二氧化氯(ClO2)介质中金属的腐蚀问题,采用静态失重法、动电位极化曲线法和扫描电镜法研究了硝酸钠和十二烷基苯磺酸钠(DBSAS)在100mg/L二氧化氯介质中对铝合金的缓蚀协同效应。结果表明,硝酸钠对铝合金的缓蚀作用较差,最大缓蚀率仅为55.58%;DBSAS对铝合金有中等程度的缓蚀作用,缓蚀效率随其浓度的增加而增大,最大缓蚀率可达89.33%;硝酸钠和DBSAS复配后对铝合金产生明显的缓蚀协同效应,当硝酸钠和DBSAS复配的质量之比为3∶7时,最大缓蚀率可达96.28%。
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| 关 键 词： | 二氧化氯 铝合金 硝酸钠 十二烷基苯磺酸钠 缓蚀剂 协同作用 |
| 收稿时间： | 2011/12/16 0:00:00 |
| 修稿时间： | 2012/3/9 0:00:00 |
Synergistic corrosion inhibition effect of sodium nitrate and DBSAS on aluminum alloy in chlorine dioxide solution |
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| WANG Kui-tao,LU Nan,GAO Jin-long,WU Hai-xia and LI Wen-ya.Synergistic corrosion inhibition effect of sodium nitrate and DBSAS on aluminum alloy in chlorine dioxide solution[J].Journal of Hebei University of Science and Technology,2012,33(3):215-219. |
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| Authors: | WANG Kui-tao LU Nan GAO Jin-long WU Hai-xia and LI Wen-ya |
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| Institution: | 1,2(1.College of Chemical and Pharmaceutical Engineering,Hebei University of Science and Technology,Shijiazhuang Hebei 050018,China 2.Hebei Research Center of Pharmaceutical and Chemical Engineering,Hebei University of Science and Technology,Shijiazhuang Hebei 050018,China) |
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| Abstract: | Synergistic inhibition effect of sodium nitrate and dodecylbenzenesulfonic acid sodium(DBSAS) on aluminum alloy in 100 mg/L chlorine dioxide solution was studied by method of weight loss,polarization curves and SEM.The results show that NaNO3 has little inhibition effect on aluminum alloy corrosion,and the corrosion inhibition efficiency is only 55.58%.DBSAS has better inhibition effect on aluminum alloy corrosion,and the corrosion inhibition efficiency is up to 89.33%.The complex of NaNO3 and DBSAS has good synergistic inhibition effects.When the mass ratio of NaNO3 to DBSAS is 3∶7,the complex shows best inhibition effect on aluminum alloy corrosion,and the corrosion inhibition efficiency reaches 96.28%. |
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| Keywords: | chlorine dioxide aluminum alloy sodium nitrate DBSAS inhibitor synergistic effect |
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