Determining the Rare Earth Elements in Geological Minerals Accurately Using X-ray Fluorescence

Rare earth elements (REEs) are critical for numerous applications, and their accurate analysis in geological samples demands robust methods. This webinar will explore advanced XRF techniques, best practices for sample preparation, and effective calibration strategies to ensure precise results.

REEs are widely used in various applications. XRF (X-ray fluorescence) is a primary analytical tool for determining the precise elemental composition of geological samples. This webinar will focus on sample preparation methods, particularly the use of pressed powders.

The calibration methodology for REEs will be discussed, including the scattering ratio correction method, which enhances the accuracy of trace element analysis. The webinar will also highlight the benefits of the GEO TRACE PAK pre-calibration method, specifically developed to determine the composition of major, minor, and trace elements in geological samples.

The discussion will showcase the static and periodic repeatability of pressed powder certified reference materials, emphasizing the accuracy and precision achievable with this method. Additionally, the drift correction procedure—a significant advantage of the XRF method—will be addressed, illustrating how it ensures the method's reliability over long-term use.

Accurate XRF analysis of REEs requires careful planning and execution by the analyst. The final results depend significantly on the choice of sample preparation method, measurement conditions, calibration strategy, and standard material selection. For instance, the sample thickness must align with the chosen analyte line. Furthermore, the selection of the analyte line and corresponding background must account for potential line overlaps. Calibration should also address matrix effects and interelement interferences.

The literature offers numerous examples of how XRF can be successfully applied to REE analysis. This webinar will provide an in-depth understanding of these principles, equipping participants with the knowledge to achieve reliable and accurate results.

What You’ll Learn:

• Sample preparation for pressed powders to improve accuracy and reproducibility.
• Calibration using the scattering ratio correction method for trace elements.
• Benefits of OXIDE FB PAK and GEO TRACE PAK pre-calibration for comprehensive analysis of major, minor, and trace elements.
• Insights into drift correction for consistent long-term performance.
  
  

Who Should Attend?
This webinar is ideal for professionals in:

• Research and Development Laboratories
• Geology Laboratories
• Quality Control Laboratories

• Mining and Prospecting