Bullion dealers and pawn shop owners require appropriate tools to ensure they are providing their customers with pure gold, silver, and other precious metals. Several analytical methods are used to ...

In this interview, AZoM speaks with Ted Shields from Evident about the new Vanta™ GX precious metal analyzer for nondestructively testing the precious metal content, purity, and karatage of gold, ...

Olympus’ X-ray Fluorescence (XRF) analyzers provide high performance, real-time geochemical data for rapid multi-element characterization of soil, rocks, and ores. Recent advances in XRF technology ...

SPECTRO Analytical Instruments has expanded the capabilities of its SPECTRO xSORT handheld XRF analyzer — designed for rapid, on-site elemental analysis — to support a broader range of applications, ...

Earlier, people depended on touchstone tests or the local jeweller’s word. Those methods were quick but not always accurate.