{"title":"植物提取物对低碳钢在盐酸溶液中的缓蚀作用","authors":"Fabrizio Zucchi , Ibrahim Hashi Omar","doi":"10.1016/0376-4583(85)90057-3","DOIUrl":null,"url":null,"abstract":"<div><p>The effects of various plant extracts on the dissolution of mild steel in HCl solutions were studied. The additives investigated were <em>Papaia, Poinciana pulcherrima, Cassia occidentalis</em> and <em>Datura stramonium</em> seeds and <em>Papaia, Calotropis procera B, Azydracta indica</em> and <em>Auforpio turkiale</em> sap. Weight-loss determinations and electrochemical measurements were performed. It was found that all extracts except those of <em>Auforpio turkiale</em> and <em>Azydracta indica</em> reduced the corrosion of steel with an efficiency of 88%–96% in 1 N HCl and with a slightly lower efficiency in 2 N HCl. Both the cathodic evolution of hydrogen and the anodic dissolution of steel are inhibited. We believe that the inhibition action is mostly due to the products of the hydrolysis of the protein content of these plants.</p></div>","PeriodicalId":22037,"journal":{"name":"Surface Technology","volume":"24 4","pages":"Pages 391-399"},"PeriodicalIF":0.0000,"publicationDate":"1985-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0376-4583(85)90057-3","citationCount":"132","resultStr":"{\"title\":\"Plant extracts as corrosion inhibitors of mild steel in HCl solutions\",\"authors\":\"Fabrizio Zucchi , Ibrahim Hashi Omar\",\"doi\":\"10.1016/0376-4583(85)90057-3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>The effects of various plant extracts on the dissolution of mild steel in HCl solutions were studied. The additives investigated were <em>Papaia, Poinciana pulcherrima, Cassia occidentalis</em> and <em>Datura stramonium</em> seeds and <em>Papaia, Calotropis procera B, Azydracta indica</em> and <em>Auforpio turkiale</em> sap. Weight-loss determinations and electrochemical measurements were performed. It was found that all extracts except those of <em>Auforpio turkiale</em> and <em>Azydracta indica</em> reduced the corrosion of steel with an efficiency of 88%–96% in 1 N HCl and with a slightly lower efficiency in 2 N HCl. Both the cathodic evolution of hydrogen and the anodic dissolution of steel are inhibited. We believe that the inhibition action is mostly due to the products of the hydrolysis of the protein content of these plants.</p></div>\",\"PeriodicalId\":22037,\"journal\":{\"name\":\"Surface Technology\",\"volume\":\"24 4\",\"pages\":\"Pages 391-399\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1985-04-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1016/0376-4583(85)90057-3\",\"citationCount\":\"132\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Surface Technology\",\"FirstCategoryId\":\"1087\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/0376458385900573\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Surface Technology","FirstCategoryId":"1087","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/0376458385900573","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 132
摘要
研究了不同植物提取物对低碳钢在盐酸溶液中溶解的影响。研究添加物为木瓜、Poinciana pulcherrima、决明子和曼陀罗种子，木瓜、Calotropis procera B、Azydracta indica和Auforpio turkiale汁液，进行失重测定和电化学测定。结果表明，除土豆花和稻瘟病菌提取物外，其余提取物对钢的缓蚀作用在1 N HCl中效率为88% ~ 96%，在2 N HCl中效率略低。氢的阴极析出和钢的阳极溶解均受到抑制。我们认为这种抑制作用主要是由于这些植物的蛋白质含量的水解产物。
Plant extracts as corrosion inhibitors of mild steel in HCl solutions
The effects of various plant extracts on the dissolution of mild steel in HCl solutions were studied. The additives investigated were Papaia, Poinciana pulcherrima, Cassia occidentalis and Datura stramonium seeds and Papaia, Calotropis procera B, Azydracta indica and Auforpio turkiale sap. Weight-loss determinations and electrochemical measurements were performed. It was found that all extracts except those of Auforpio turkiale and Azydracta indica reduced the corrosion of steel with an efficiency of 88%–96% in 1 N HCl and with a slightly lower efficiency in 2 N HCl. Both the cathodic evolution of hydrogen and the anodic dissolution of steel are inhibited. We believe that the inhibition action is mostly due to the products of the hydrolysis of the protein content of these plants.
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