{"title":"碱性α-环氧化合物的测定*","authors":"J.B. Leary","doi":"10.1002/jps.3030490911","DOIUrl":null,"url":null,"abstract":"<div><p>A common disadvantage of methods for determining basic epoxides or epoxides in the presence of a base is the necessity for determining a blank correction. A fast, direct method based on reaction with a standard solution of sodium thiosulfate is presented. The excess sodium thiosulfate is titrated with standard iodine solution. No blank correction is necessary. The stoichiometry of the reaction, the effect of temperature on the rate of reaction, precision, and other factors are described.</p></div>","PeriodicalId":100839,"journal":{"name":"Journal of the American Pharmaceutical Association (Scientific ed.)","volume":"49 9","pages":"Pages 606-608"},"PeriodicalIF":0.0000,"publicationDate":"1960-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1002/jps.3030490911","citationCount":"3","resultStr":"{\"title\":\"Determination of Basic α-Epoxides*\",\"authors\":\"J.B. Leary\",\"doi\":\"10.1002/jps.3030490911\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>A common disadvantage of methods for determining basic epoxides or epoxides in the presence of a base is the necessity for determining a blank correction. A fast, direct method based on reaction with a standard solution of sodium thiosulfate is presented. The excess sodium thiosulfate is titrated with standard iodine solution. No blank correction is necessary. The stoichiometry of the reaction, the effect of temperature on the rate of reaction, precision, and other factors are described.</p></div>\",\"PeriodicalId\":100839,\"journal\":{\"name\":\"Journal of the American Pharmaceutical Association (Scientific ed.)\",\"volume\":\"49 9\",\"pages\":\"Pages 606-608\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1960-09-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"https://sci-hub-pdf.com/10.1002/jps.3030490911\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of the American Pharmaceutical Association (Scientific ed.)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://www.sciencedirect.com/science/article/pii/S0095955315363186\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the American Pharmaceutical Association (Scientific ed.)","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0095955315363186","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A common disadvantage of methods for determining basic epoxides or epoxides in the presence of a base is the necessity for determining a blank correction. A fast, direct method based on reaction with a standard solution of sodium thiosulfate is presented. The excess sodium thiosulfate is titrated with standard iodine solution. No blank correction is necessary. The stoichiometry of the reaction, the effect of temperature on the rate of reaction, precision, and other factors are described.
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