How XRF Supports Geochemical Analysis
XRF works by exciting atoms in a sample and measuring the fluorescent X-rays they emit. Each element produces characteristic X-ray energies, allowing the analyser to identify which elements are present and estimate their concentrations.
In geochemistry, this is useful for understanding rock composition, alteration patterns, mineralisation, contamination, and elemental trends across a site. Handheld XRF can be used in the field on rock chips, drill core, soils, sediments, and prepared samples, giving geologists rapid information before laboratory results are available.
Results depend on the sample type and preparation. Moisture, particle size, surface condition, matrix effects, and calibration can all influence accuracy. For stronger confidence, XRF data should be collected using a consistent method and supported by laboratory analysis where precise reporting or compliance is required.
Considering XRF for Geochemical Work
For more detail on the measurement method, review PAS’s overview of X-Ray Fluorescence technology. To compare field-ready instruments, explore PAS’s handheld XRF analysers through Portable Analytical Solutions, or contact our team to discuss geochemical samples, target elements, and field workflows.