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Specifications
| LiBO₂: | 99.99% min. |
| Al: | 0.0005% max. |
| As: | 0.0001% max. |
| Ca: | 0.0010% max. |
| Cu: | 0.0005% max. |
| Fe: | 0.0005% max. |
| K: | 0.0005% max. |
| Mg: | 0.0005% max. |
| Na: | 0.0005% max. |
| Pb: | 0.0002% max. |
| P: | 0.0002% max. |
| Si: | 0.0010% max. |
| S: | 0.0010% max. |
| Bulk density: | 0.58~0.7 g/cm³ |
| LOI (650°C 1h): | 0.4% max. |
Applications
1. Flux in Sample Preparation for X-Ray Fluorescence (XRF) and Atomic Absorption Spectroscopy (AAS)
Lithium tetraborate is primarily used as a fluxing agent to prepare fused glass beads or disks for elemental analysis.
It helps dissolve refractory materials such as minerals, ceramics, and ores, ensuring a homogenous sample for accurate XRF or AAS measurement.
It improves sample homogeneity and reduces matrix effects, enhancing the precision and reliability of elemental determinations.
2. Glass and Ceramic Manufacturing
Used as a component in glass formulations to improve thermal and chemical stability.
Acts as a flux in ceramic glazes, lowering melting temperatures and enhancing surface properties.
Contributes to the production of borosilicate glasses with improved resistance to thermal shock and chemical corrosion.
3. Optical and Electronic Materials
Lithium tetraborate crystals are employed in nonlinear optics and laser technologies due to their good optical transparency and nonlinear properties.
Used in electro-optic devices, piezoelectric sensors, and other electronic components.
4. Catalysis
Serves as a catalyst or catalyst support in some chemical reactions due to its thermal stability and basic nature.
5. Analytical Standards and Reagents
Utilized in laboratories as a reagent and standard for preparing calibration materials in elemental analysis.
Benefits
1. Excellent Fluxing Properties
Effectively dissolves complex and refractory samples, facilitating accurate and reproducible elemental analysis.
Enables preparation of homogeneous glass beads, minimizing errors in spectroscopy.
2. High Thermal Stability
Stable at high temperatures, essential for sample fusion processes and glass manufacturing.
3. Chemical Compatibility
Compatible with a variety of oxides and minerals, making it a versatile flux for diverse materials.
4. Enhances Material Properties
Improves thermal shock resistance, chemical durability, and optical clarity in glasses and ceramics.
5. Reliable Analytical Performance
Widely accepted and used in quality control labs, ensuring consistency and traceability in elemental assays.
Conclusion
Lithium tetraborate (CAS 12007-60-2) is a vital inorganic compound extensively used in analytical chemistry as a flux for sample preparation, as well as in glass and ceramic manufacturing. Its excellent fluxing ability, thermal stability, and compatibility with various materials make it indispensable for precise elemental analysis and the production of high-performance glass and ceramic products. Additionally, its optical and electronic properties open avenues for advanced material applications.
