{"title":"Preparation of Bismuth Subsalicylate from Bismuth Subnitrate","authors":"E. S. Koledova, Yu. M. Yukhin","doi":"10.1134/S0040579524700155","DOIUrl":null,"url":null,"abstract":"<div><p>It was shown that bismuth subsalicylate BiC<sub>7</sub>H<sub>5</sub>O<sub>4</sub> of high purity (with low contents of impurity metals and nitrate ions) is advisable to obtain from bismuth subnitrate [Bi<sub>6</sub>O<sub>5</sub>(OH)<sub>3</sub>](NO<sub>3</sub>)<sub>5</sub>⋅3H<sub>2</sub>O through converting it into oxide Bi<sub>2</sub>O<sub>3</sub> by treating with a solution of sodium hydroxide and then into bismuth subsalicylate BiC<sub>7</sub>H<sub>5</sub>O<sub>4</sub> by treating bismuth oxide with a lactic acid–salicylic acid solution at a temperature of 60–85°C.</p></div>","PeriodicalId":798,"journal":{"name":"Theoretical Foundations of Chemical Engineering","volume":"58 1","pages":"71 - 75"},"PeriodicalIF":0.7000,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Theoretical Foundations of Chemical Engineering","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1134/S0040579524700155","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, CHEMICAL","Score":null,"Total":0}
Preparation of Bismuth Subsalicylate from Bismuth Subnitrate
It was shown that bismuth subsalicylate BiC7H5O4 of high purity (with low contents of impurity metals and nitrate ions) is advisable to obtain from bismuth subnitrate [Bi6O5(OH)3](NO3)5⋅3H2O through converting it into oxide Bi2O3 by treating with a solution of sodium hydroxide and then into bismuth subsalicylate BiC7H5O4 by treating bismuth oxide with a lactic acid–salicylic acid solution at a temperature of 60–85°C.
期刊介绍:
Theoretical Foundations of Chemical Engineering is a comprehensive journal covering all aspects of theoretical and applied research in chemical engineering, including transport phenomena; surface phenomena; processes of mixture separation; theory and methods of chemical reactor design; combined processes and multifunctional reactors; hydromechanic, thermal, diffusion, and chemical processes and apparatus, membrane processes and reactors; biotechnology; dispersed systems; nanotechnologies; process intensification; information modeling and analysis; energy- and resource-saving processes; environmentally clean processes and technologies.