Lithia distribution in infiltrated silica gels

Nathalie Le Bars, L. C. Klein

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Silica gels were prepared by mixing colloidal silica with potassium silicate in a 1:9 weight ratio. Following ion exchange to remove Na and K, the highly porous samples were soaked in methanolic LiOH or aqueous LiNO3 solutions. The influence of the soaking time was determined for LiOH solutions. The influence of solution concentration was determined for LiNO3 solutions. Bulk concentrations of Li were increased by increasing the soaking time in LiOH solutions and increasing the solution concentration in LiNO3 solutions. Once bulk compositions of about 15 mol% Li2O-85 mol% SiO2 were achieved, the distribution of Li in the sample was evaluated by dissolving the samples in HF. In all cases, the distribution of Li in the dried samples was not uniform. The Li content was negligible in the middle of the sample. Only in the case of LiNO3 samples was the chemical uniformity improved by heat treatment at 200°C for 1 h.

Original languageEnglish (US)
Pages (from-to)291-297
Number of pages7
JournalJournal of Non-Crystalline Solids
Issue number3
StatePublished - Aug 1 1990

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry


Dive into the research topics of 'Lithia distribution in infiltrated silica gels'. Together they form a unique fingerprint.

Cite this