Practical buyer guide for choosing a handheld XRF analyzer by application. Covers technical principles, key selection factors, and a four‑model comparison of AELAB’s Explorer series for alloys, harmful elements, ore, and soil testing. Helps field analysts, QC managers, and procurement professionals match the right instrument to their sample matrix.

This article provides a practical workflow and key criteria for selecting the best XRF analyzer for gold testing in 2026, tailored to different lab contexts and avoiding common selection mistakes.