High yield of vaterite precipitation induced by trace lanthanum ion from a supersaturated solution of calcium carbonate at 50°C

Hiroshi Tsuno, Hiroyuki Kagi, Tasuku Akagi

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Abstract

The formation of calcium carbonate from a supersaturated solution doped with trace lanthanum was studied at various temperatures. At a temperature of around 50°C, more than 80% of calcium carbonate precipitated from 5 μmol kg-1 LaCl3, 15 mmol kg-1 CaCl2-NaHCO3 solution was vaterite while from a lanthanum-free solution calcium carbonate precipitated exclusively as calcite.

Original languageEnglish
Pages (from-to)960-961
Number of pages2
JournalChemistry Letters
Issue number10
DOIs
Publication statusPublished - Oct 5 2002
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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