Effect of temperature on K+ and Mg2+ extracted desorption of Cs from vermiculitized biotite

Xiangbiao Yin, Lijuan Zhang, Asumi Ochiai, Satoshi Utsunomiya, Hideharu Takahashi, Toshihiko Ohnuki, Kenji Takeshita

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10 Citations (Scopus)

Abstract

Sorbed Cs on vermiculitized biotite in saturation amount was desorbed by extractions with 1 M K+ and Mg2+ at varied temperatures. At room temperature, Cs+ was readily desorbed by leaching with K+ (ca. 100%) but not by Mg2+ (ca. 50%). However, the contrary was true for desorption at high temperatures, in which Mg2+ desorbed far more Cs+ (ca. 100%) than K+ (ca. 25%). XRD analysis of Cs-depleted samples suggested that the contrary abilities of K+ and Mg2+ for Cs desorption at low and high temperatures were attributed to their induced interlayer collapse or expansion during extraction.

Original languageEnglish
Pages (from-to)1350-1352
Number of pages3
JournalChemistry Letters
Volume46
Issue number9
DOIs
Publication statusPublished - 2017

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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