Precious metal verification often requires more than a karat stamp or traditional acid test. Qualitest’s October newsletter examines complementary methods for evaluating gold, silver, platinum, and related alloys across jewelry appraisal, scrap sorting, and quality-control workflows. The lineup combines handheld XRF for rapid elemental screening, benchtop EDXRF for composition and plating-thickness analysis, Archimedes-based density testing for non-destructive purity checks, and ultrasonic cleaning to prepare contaminated surfaces before measurement.
Download Full PDF Newsletter
Match the verification method to the piece, material, and decision at hand. Subscribe to the QualiNewsletter for practical updates on precious metal analysis, XRF and EDXRF testing, density measurement, plating verification, sample preparation, and instrument selection for jewelry, refining, inspection, and quality teams.
Subscribe to the QualiNewsletter