Improving the Accuracy of XRF Flux Analysis: Application of Anhydrous Lithium Metaborate in Sample Fusion
Release time:
2023-11-12
In modern science and industry, XRF flux technology is widely used in material analysis and quality control. However, selecting the right flux is crucial for accurate analysis results. This article introduces the application of lithium metaborate, an anhydrous flux, in XRF (X-ray fluorescence spectroscopy) analysis to improve analytical accuracy.
Lithium metaborate is an inorganic salt that, at high temperatures, completely fuses with the sample to form a homogeneous glassy melt. This unique property makes lithium metaborate an ideal flux. In XRF flux analysis, the sample needs to be mixed with the flux and heated to a high temperature so that the elements in the sample are excited and emit specific X-rays. Lithium metaborate effectively dissolves and stabilizes the elements in the sample, providing accurate and reliable analytical results.
Using lithium metaborate as a flux offers several advantages. XRF flux can form stable compounds with most elements, including high-melting-point metal oxides and sulfides. This allows even complex samples to be completely dissolved, ensuring accurate analytical results. The melt formed by lithium metaborate at high temperatures has low viscosity and surface tension, reducing the interaction between the sample and the container walls, avoiding possible contamination and loss. In addition, lithium metaborate has low toxicity and volatility, benefiting laboratory environments and operator safety.
In addition to the above advantages, the amount of lithium metaborate can be adjusted to meet the analytical needs of different samples. Generally, when the sample contains a higher concentration of elements, the amount of lithium metaborate can be reduced to avoid excessive suppression of the element signal. For samples containing trace elements, the amount of lithium metaborate can be increased to improve signal strength and accuracy.
In summary, lithium metaborate, as an excellent XRF flux, can improve the accuracy of X-ray fluorescence analysis. Its unique properties allow the sample to be completely dissolved, and the melt has low viscosity and surface tension, reducing possible contamination and loss. By adjusting the amount of lithium metaborate, the needs of different sample analyses can be met.
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