Abstract

The metastable zone width (MZW) of lithium metaborate salts at various concentrations was determined using the laser technique. The solubility data for lithium metaborate salts was nearly the same in the presence of NaCl at various concentrations. The MZW of lithium metaborate salts decreased when the stirring rate increased, but increased remarkably with increasing cooling rates and an increasing concentration of sodium chloride. The apparent secondary nucleation order for lithium metaborate salts was obtained using the Nývlt’s approach. The apparent secondary nucleation order m of lithium metaborate salts is 4.00 in a pure LiBO2−H2O system with an improved linear regression method. The m for lithium metaborate salts was enlarged in the system LiBO2−NaCl−H2O.

Highlights

  • Various borates are widely used in various industries such as nonlinear optical material, fluorescent material, and laser crystal material

  • The MZW of boric acid, borax decahydrate, and potassium tetraborate tetrahydrate have been investigated in many research studies [8,9,10,11,12,13], but the metastable zone width of lithium metaborate salts were not been studied in the literature

  • MZW offrom lithium saturated solution was used to measure the of lithium metaborate salt.solution with of lithium metaborate salt in double distilled water (DDW) and the of lithium metaborate salt in and the solution with sodium chloride was sodium chloride was measured with the laser transmission method [11]

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Summary

Introduction

Various borates are widely used in various industries such as nonlinear optical material, fluorescent material, and laser crystal material. It is meaningful to study the metastable zone width (MZW) of lithium metaborate salt for its comprehensive utilization of boron resources. The MZW of boric acid, borax decahydrate, and potassium tetraborate tetrahydrate have been investigated in many research studies [8,9,10,11,12,13], but the metastable zone width of lithium metaborate salts were not been studied in the literature. The laser intensity technique was applied to measure the MZW of lithium metaborate salts both in pure and NaCl solutions. The laser intensity technique was applied to measure the MZW of Crystals 2019, 9, 182 lithium metaborate salts both in pure and NaCl solutions

Experimental
Experimental Method
Analysis Method
Results and Discussion
The results
Metastable Zone Width in Lithium Metaborate Solutions
Impurities on the MZW for Lithium Metaborate Solutions
Apparent Nucleation Order of Lithium Metaborate Solutions
Conclusions
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