目的 研究柚子皮提取物对C38钢在l mol/L HCl中的缓蚀作用.方法 通过索氏提取器从柚子皮中提取天然绿色缓蚀剂,进而与0.01 mol/L KI进行复配,采用失重法和电化学测试法分析柚子皮提取物的缓蚀作用机理.结果 失重实验表明,柚子皮提取物对C38钢的缓蚀作用最高达93％,而与0.01mol/L KI复配使用后缓蚀效率最高达98％以上.同时表明其在碳钢表面的吸附符合Langmuir吸附等温式;Tafel极化曲线表明其能同时抑制碳钢腐蚀的阴、阳极过程;碳钢的阻抗值随着柚子皮提取物浓度的增加而增大.结论 柚子皮提取物是很好的缓蚀剂,与卤素离子复配后效果更佳.
参考文献
| [1] | 张天胜.缓蚀剂[M].北京:化学工业出版社,2002 |
| [2] | VANESSA V T;ROBERTO S A;CAMILA F de S et al.Inhibitory Action of Aqueous Coffee Ground Extracts on the Corrosion of Carbon Steel in HCl Solution[J].Corrosion Science,2011,53(07):2385-2392. |
| [3] | PARIKH K S;JOSHI K J;TRANS .Natural Compounds Onion (Allium Cepa),Garlic (Allium Sativum) and Bitter Gourd (Momordica Charantia) as Corrosion Inhibitors for Mild Steel in Hydrochloric Acid[J].Transactions of the SAEST,2004,39:29-35. |
| [4] | Pandian Bothi Raja;Mathur Gopalakrishnan Sethuraman .Natural products as corrosion inhibitor for metals in corrosive media - A review[J].Materials Letters,2008(1):113-116. |
| [5] | LEBRINI M;ROBERT F;ROOS C .Inhibition Effect of Alkaloids Extract from Annona Squamosa Plant on the Corrosion of C38 Steel in Normal Hydrochloric Acid Medium[J].International Journal of Electrochemical Science,2010,5:1698-1712. |
| [6] | DAHMANI M;ET-TOUHAMI A;AL-DEYAB S S et al.Corrosion Inhibition of C38 Steel in 1 M HCl:A Comparative Study of Black Pepper Extract and Its Isolated Piperine[J].International Journal of Electrochemical Science,2010,5:1060-1069. |
| [7] | Simone Santana de Assuncao Araujo Pereira;Michelle Macedo Pegas;Tatiana Lopez Fernandez;Mariana Magalhaes;Thais Gadiole Schontag;Dalva Cristina Lago;Lilian Ferreira de Senna;Eliane D'Elia .Inhibitory action of aqueous garlic peel extract on the corrosion of carbon steel in HCl solution[J].Corrosion Science: The Journal on Environmental Degradation of Materials and its Control,2012(Dec.):360-366. |
| [8] | HUSSIN M H;KASSIM M J .Electrochemical Studies of Mild Steel Corrosion Inhibition in Aqueous Solution by Uncaria gambir Extract[J].Journal of Physical Science,2010,21(01):1-13. |
| [9] | 李焰,赵澎,侯保荣.黄连提取物在1 mol/L HCl中对Q235的缓蚀作用[J].腐蚀科学与防护技术,2006(01):1-4. |
| [10] | 刘学虎,辛剑,马伟.海带提取液作为酸洗缓蚀剂的研究[J].腐蚀科学与防护技术,2003(03):172-174. |
| [11] | 李向红,邓书端,付惠.滑竹叶提取物在盐酸介质中对铝的缓蚀性能[J].应用化学,2012(08):962-968. |
| [12] | 龚敏,蒋伟,曾宪光,刘多丽.从大蒜中提取酸洗缓蚀剂[J].清洗世界,2007(08):1-5. |
| [13] | 王秀梅,万晔,杨怀玉.双苯并咪唑化合物对碳钢在H2SO4溶液中的缓蚀作用[J].腐蚀科学与防护技术,2012(04):296-300. |
| [14] | 马欢,戴亚堂,李常雄,张欢,欧青海,申振.聚噻吩的电化学合成及其对不锈钢的抗腐蚀性研究[J].中国腐蚀与防护学报,2013(02):148-152. |
| [15] | KHALED K F .The Inhibition of Benzimidazole Derivatives on Corrosion of Iron in 1 mol/L HCI Solutions[J].Electrochimica Acta,2003,48(17):2493. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%