| 氨基酸类有机物在硫酸介质中对钢的缓蚀作用 |
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| 引用本文： | 刘晓轩,袁朗白,李向红,木冠南.氨基酸类有机物在硫酸介质中对钢的缓蚀作用[J].云南大学学报(自然科学版),2003,25(4):355-357,360. |
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| 作者姓名： | 刘晓轩 袁朗白 李向红 木冠南 |
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| 作者单位： | 1. 云南大学,化学系,云南,昆明,650091;大理学院,生化系,云南,大理,671000
2. 云南大学,化学系,云南,昆明,650091 |
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| 基金项目： | 国家自然科学基金资助项目(50231004)，云南省自然科学基金资助项目(2000E0017M). |
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| 摘 要： | 用失重法研究了各种氨基酸在硫酸溶液中对钢的缓蚀作用.实验表明,L-半胱氨酸和DL-类半胱氨酸硫内酯盐酸盐对钢有较好的缓蚀作用.应用Langmuir吸附方程讨论了产生缓蚀作用的原因.
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| 关 键 词： | L-半胱氨酸 DL-类半胱氨酸硫内酯盐酸盐 硫酸 缓蚀作用 钢 |
| 文章编号： | 0258-7971(2003)04-0355-03 |
Corrosion inhibion of amino acids for cold rolling steel in sulfuric acid solution |
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| LIU Xiao-xuan,YUAN Lan-bai,LI Xiang-hong,MU Guan-nan.Corrosion inhibion of amino acids for cold rolling steel in sulfuric acid solution[J].Journal of Yunnan University(Natural Sciences),2003,25(4):355-357,360. |
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| Authors: | LIU Xiao-xuan YUAN Lan-bai LI Xiang-hong MU Guan-nan |
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| Institution: | 1. Department of Chemistry Yunnan University, Kunming 650091, China;2. Department of Biology and Chemistry, Dali College, Dali 671000, China |
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| Abstract: | Some kinds of amino acids were examined as corrosion inhibitors for cold rolling steel in sulfuric acid solution by weight loss method.The results show that:L-Cysteine and DL-Cysteine sulphur ester hydrochloride are highly effective inhibitors for corrosion of cold rolling steel in sulfuric acid solution.The results of the experiments were discussed in the light of Langmuir adsorption theory. |
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| Keywords: | L-Cysteine DL-Cysteine sulphurester hydrchioride sulfuric acid inhibition cold rolling steel |
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