H.F.W.J. van Breukelen , G.J.C. Kraaijveld , L.J.M. van de Ven , J.W. de Haan , J.H.C. van Hooff
{"title":"Clustering of cobalt in CoAPO-5 molecular sieves","authors":"H.F.W.J. van Breukelen , G.J.C. Kraaijveld , L.J.M. van de Ven , J.W. de Haan , J.H.C. van Hooff","doi":"10.1016/S0927-6513(97)00078-3","DOIUrl":null,"url":null,"abstract":"<div><p>The clustering of cobalt in CoAPO-5 is studied by means of quantitative <sup>31</sup>P MAS NMR. To explain the amount of “NMR-invisible” P as function of the cobalt content, clusters consisting of at least five cobalt atoms have to be present inside the framework. Probably, cobalt atoms belonging to one cluster are situated in the wall of one and the same pore.</p></div>","PeriodicalId":100926,"journal":{"name":"Microporous Materials","volume":"12 4","pages":"Pages 313-322"},"PeriodicalIF":0.0000,"publicationDate":"1997-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0927-6513(97)00078-3","citationCount":"12","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Microporous Materials","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0927651397000783","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 12
Abstract
The clustering of cobalt in CoAPO-5 is studied by means of quantitative 31P MAS NMR. To explain the amount of “NMR-invisible” P as function of the cobalt content, clusters consisting of at least five cobalt atoms have to be present inside the framework. Probably, cobalt atoms belonging to one cluster are situated in the wall of one and the same pore.
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