Lithium tetraborate and lithium metaborate: Ideal flux choices for X-ray fluorescence analysis
Release time:
2023-08-14
Fire Assay Cupel It is a commonly used device for analyzing the composition of metallic materials. When performing X-ray fluorescence analysis, selecting a suitable flux is crucial for obtaining accurate results. This article discusses two fluxes, namely anhydrous lithium tetraborate and lithium metaborate, and explores their advantages and applicability in X-ray fluorescence analysis.
Anhydrous lithium tetraborate is an anhydrous compound with strong melting ability. It can rapidly melt substances at high temperatures, making it one of the ideal fluxes for X-ray fluorescence analysis. Compared with traditional fluxes, anhydrous lithium tetraborate has a higher melting point and lower volatility, thus reducing sample loss during the melting process. In addition, anhydrous lithium tetraborate also has good solubility, effectively dissolving metal samples, improving the sensitivity and accuracy of the analysis.
Lithium metaborate is another commonly used flux, characterized by its low melting point and good solubility. In X-ray fluorescence analysis, lithium metaborate can rapidly melt the sample and completely dissolve the metal elements in the solution, thus achieving accurate analysis. In addition, lithium metaborate also has low viscosity and surface tension, which is conducive to the release of bubbles, thus reducing the interference of bubbles on the analysis results.
When selecting a flux, it is necessary to determine it based on the nature of the sample and the analysis requirements. Anhydrous lithium tetraborate is suitable for samples that are difficult to melt, such as metal alloys and ceramic materials. Lithium metaborate is more suitable for easily meltable samples, such as pure metals and powder materials. Therefore, when using a fire assay cupel for X-ray fluorescence analysis, it is very important to select the appropriate flux according to the different sample properties.
In summary, anhydrous lithium tetraborate and lithium metaborate are two commonly used fluxes in X-ray fluorescence analysis. Anhydrous lithium tetraborate has a higher melting point and solubility and is suitable for samples that are difficult to melt; while lithium metaborate has a lower melting point and viscosity and is suitable for easily meltable samples. Selecting the appropriate flux can improve the accuracy and sensitivity of X-ray fluorescence analysis, thus providing reliable data support for scientific research and industrial applications.
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