THE ADSORBENT OF PRECIOUS METALS AND THE METHOD OF ADSORPTION EXTRACTION OF PRECIOUS METALS

摘要

The present invention relates to an adsorption method for extracting a precious metal and precious metal adsorbent . ; The precious metal adsorbent of the present invention includes a polymethylene mono- sulfide ((-CH ₂ S) _n ). ; adsorption method for extracting a precious metal of the present invention is to adsorb or using hydrogen iodide or iodide , and an alkali metal , and then adding a mono- sulfide polymethylene , by adding a tin chloride and heated with a polymethylene sulfide mono to be characterized by adsorption .