Earlier, people depended on touchstone tests or the local jeweller’s word. Those methods were quick but not always accurate. Today, most stores and manufacturing units use XRF machines, which check ...
In this interview, AZoM speaks with Ted Shields from Evident about the new Vantaâ„¢ GX precious metal analyzer for nondestructively testing the precious metal content, purity, and karatage of gold, ...