Refining Precious Metal Wastes by C. M Hoke-362pg Soft Cover – FREE SHIPPING

Refining Precious Metal Wastes by C. M Hoke 362 pages (Softback) How to recover the precious metals from wastes products of jewelers, dentists, photographers, electroplating, stripping solutions. Covers the equipment, chemicals, and procedures used, as well as the economics of refining the various kinds of wastes. Identifying metals in solution. Also discusses rhodium, ruthenium, and osmium. FREE SHIPPING TO THE LOWER 48 STATES! I DO NOT SHIP INTERNALLY