{"title":"Study of Co-crystallization of Neodymium and Strontium Sulfates in the Absence of Potassium Ions","authors":"N. N. Bushuev, G. K. Tatosyan","doi":"10.1134/s0036023624601168","DOIUrl":null,"url":null,"abstract":"<h3 data-test=\"abstract-sub-heading\">Abstract</h3><p>Co-crystallization of neodymium and strontium sulfates was studied using powder X-ray diffraction, energy dispersive X-ray spectroscopy, and microscopy. High absorption activity of crystalline matrices, trigonal SrSO<sub>4</sub>∙0.5H<sub>2</sub>O and dehydrated monoclinic SrSO<sub>4</sub>, towards the isomorphic heterovalent inclusion of Nd<sup>3+</sup> ions to give solid solutions stable in the absence of water was established for the first time. The unit cell parameters and the structural similarity of the solid solutions were determined. In a moist environment, solid solutions degrade within 6–10 h to give stable poorly soluble single compounds Nd<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>∙8H<sub>2</sub>O and orthorhombic SrSO<sub>4</sub>.</p>","PeriodicalId":762,"journal":{"name":"Russian Journal of Inorganic Chemistry","volume":"22 1","pages":""},"PeriodicalIF":1.8000,"publicationDate":"2024-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Russian Journal of Inorganic Chemistry","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1134/s0036023624601168","RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, INORGANIC & NUCLEAR","Score":null,"Total":0}
引用次数: 0
Abstract
Co-crystallization of neodymium and strontium sulfates was studied using powder X-ray diffraction, energy dispersive X-ray spectroscopy, and microscopy. High absorption activity of crystalline matrices, trigonal SrSO4∙0.5H2O and dehydrated monoclinic SrSO4, towards the isomorphic heterovalent inclusion of Nd3+ ions to give solid solutions stable in the absence of water was established for the first time. The unit cell parameters and the structural similarity of the solid solutions were determined. In a moist environment, solid solutions degrade within 6–10 h to give stable poorly soluble single compounds Nd2(SO4)3∙8H2O and orthorhombic SrSO4.
期刊介绍：
Russian Journal of Inorganic Chemistry is a monthly periodical that covers the following topics of research: the synthesis and properties of inorganic compounds, coordination compounds, physicochemical analysis of inorganic systems, theoretical inorganic chemistry, physical methods of investigation, chemistry of solutions, inorganic materials, and nanomaterials.
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