Aqua Regia E-Scrap Basket Only Durston These lightweight cable chains feature

These lightweight cable chains feature oval links in three metal options: sterling silver

Die-struck round 4-prong settings designed for clean

this set delivers the quality and precision that serious jewelers and metalsmiths demand at a value that competes with comparable German and Italian makes

Spoon-shaped profile ideal for forming and texturing small metal elements

Aqua Regia E-Scrap Basket Only Durston These lightweight cable chains featureThe Aqua Regia Gold & Platinum Refining System is widely used to refine precious metals recovered from e scrap such as circuit boards and chips. Because the volume of non metallic materials plastics, ceramics, and similar substrates is high relative to the precious metal content, significantly more acid is required to cover the material than is needed to dissolve the metal itself. The most economical approach is to dissolve the metal first, remove the