{"title":"Behavior of radionuclides in the environment—I. Sorption of Zn(II) on clay minerals","authors":"Ryoko Fujiyoshi, Andriamisamanana Solofo Eugene, Meiseki Katayama","doi":"10.1016/0883-2889(92)90198-N","DOIUrl":null,"url":null,"abstract":"<div><p>Adsorption of Zn(II) on clay minerals (kaolinite, montmorillonite and bentonite) has been investigated spectrophotometrically and radiometrically. Both techniques offered fairly consistent results in spite that different procedure was used to obtain adsorbed amount of Zn(II). Adsorption isotherms fit Freundlich type equation depending on pH value of each clay suspension. The adsorbed amount of Zn(II) increased with increasing pH value of the suspension. Remarkable effect of Mg(II) on Zn(II) adsorption was observed in the case of bentonite. The results obtained may be explained by considering different surface properties of individual clay minerals.</p></div>","PeriodicalId":14288,"journal":{"name":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1992-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0883-2889(92)90198-N","citationCount":"16","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Radiation Applications and Instrumentation. Part A. Applied Radiation and Isotopes","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/088328899290198N","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 16
Abstract
Adsorption of Zn(II) on clay minerals (kaolinite, montmorillonite and bentonite) has been investigated spectrophotometrically and radiometrically. Both techniques offered fairly consistent results in spite that different procedure was used to obtain adsorbed amount of Zn(II). Adsorption isotherms fit Freundlich type equation depending on pH value of each clay suspension. The adsorbed amount of Zn(II) increased with increasing pH value of the suspension. Remarkable effect of Mg(II) on Zn(II) adsorption was observed in the case of bentonite. The results obtained may be explained by considering different surface properties of individual clay minerals.
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