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Appropriate solvent NaVO3 for composition analysis of LiNbO 3 crystal using chemical method

  • De Long Zhang*
  • , Jian Gao
  • , Ping Rang Hua
  • , Dao Yin Yu
  • , Edwin Yue Bun Pun
  • *Corresponding author for this work
  • Tianjin University
  • City University of Hong Kong

Research output: Contribution to journalArticlepeer-review

Abstract

It is crucial to find an appropriate solvent for composition analysis of LiNbO3 crystal by a chemical method, such as inductively coupled plasma atomic emission spectroscopy. We have comparatively studied several solvents for LiNbO3 crystal, including HF acid, KHSO4, B2O3, LiBO2, and NaVO3. The results show that as the NaVO3 is used as the solvent, the solubility of LiNbO3 is as high as 1 g/g at 1000 C. The dissolving is quite fast. Neither solute nor solvent is lost from the melting during the dissolving procedure. A clear high-concentration solution is obtained. Moreover, it is verified experimentally that such a solution is valid for composition analysis of LiNbO3 crystal by a chemical method. In contrast, the other solvents suffer from one problem or another. We conclude that NaVO3 is an appropriate solvent for chemical analysis of LiNbO3.

Original languageEnglish
Pages (from-to)1940-1944
Number of pages5
JournalAnalytical Chemistry
Volume85
Issue number3
DOIs
StatePublished - 5 Feb 2013
Externally publishedYes

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