Understanding silver grades, and knowing how to verify them, can help consumers avoid disappointment and make confident, informed purchases ...

Not sure what 999, 925 or 958 silver means? A simple guide to silver purity, grades and easy home tests to check authenticity ...

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, ...