TH4561A - The process of purifying precious metals - Google Patents

Abstract

According to the nature of this invention, a method for the purification of precious metals, which consists of a procedure of (a) analyzes the material containing the precious metal to be made. Extraction, determination of the concentration of precious metals contained in the material (b) inquarting the material containing Precious metals to be extracted to form alloys. Which knows the quantity b Of base metals including copper, to form alloys that Knowing the concentration of the precious metal to be extracted (c) dissolve the base metal in the acid away from The precious metal to be purified, and (d) filtered the precious metal from the resulting solution.

Claims (1)

1. A method for purifying precious metals. It consists of the following steps: (a) The precious metal-containing material is analyzed, which is then extracted to determine the concentration of the precious metal contained in the material. (B) Materials containing probable precious metals It was extracted to form loid using known base metal, ie copper, to prepare aloid with known concentration of The precious metal to be extracted (c) dissolves the base metal from the precious metal to be extracted. Purify it with acid and (d) filter that precious metal out of the solution.