{"title":"系统“羟基磷灰石- CuSO4水溶液”中的吸附相互作用","authors":"T. Smotrina, O. Stoyanov","doi":"10.31044/1994-6260-2021-0-9-13-20","DOIUrl":null,"url":null,"abstract":"Regularities of adsorption of copper (II) ions by synthetic hydroxyapatite have been examined. It is shown that sorption of metal ions occurs mainly in the mixed diffusion region, the chemical interaction described by the pseudo-second order kinetic equation has a significant effect on the process speed. It was found out that that the adsorption isotherm was described by the Langmuir monomolecular adsorption equation in the best way. Interaction specificity of hydroxyapatite with water was studied by NMR relaxation spectroscopy method","PeriodicalId":204165,"journal":{"name":"All the Materials. Encyclopedic Reference Book","volume":"49 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Sorption interactions in system «hydroxyapatite—aqueous solution of CuSO4»\",\"authors\":\"T. Smotrina, O. Stoyanov\",\"doi\":\"10.31044/1994-6260-2021-0-9-13-20\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Regularities of adsorption of copper (II) ions by synthetic hydroxyapatite have been examined. It is shown that sorption of metal ions occurs mainly in the mixed diffusion region, the chemical interaction described by the pseudo-second order kinetic equation has a significant effect on the process speed. It was found out that that the adsorption isotherm was described by the Langmuir monomolecular adsorption equation in the best way. Interaction specificity of hydroxyapatite with water was studied by NMR relaxation spectroscopy method\",\"PeriodicalId\":204165,\"journal\":{\"name\":\"All the Materials. Encyclopedic Reference Book\",\"volume\":\"49 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1900-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"All the Materials. Encyclopedic Reference Book\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.31044/1994-6260-2021-0-9-13-20\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"All the Materials. Encyclopedic Reference Book","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.31044/1994-6260-2021-0-9-13-20","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Sorption interactions in system «hydroxyapatite—aqueous solution of CuSO4»
Regularities of adsorption of copper (II) ions by synthetic hydroxyapatite have been examined. It is shown that sorption of metal ions occurs mainly in the mixed diffusion region, the chemical interaction described by the pseudo-second order kinetic equation has a significant effect on the process speed. It was found out that that the adsorption isotherm was described by the Langmuir monomolecular adsorption equation in the best way. Interaction specificity of hydroxyapatite with water was studied by NMR relaxation spectroscopy method
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