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, ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果