The preparation method of dithiadecamethylene tetramine adsorbent for precious metals

摘要

It consists in that the reaction was conducted at a molar ratio of 3, and then reacted with hydrogen sulfide: The present invention de-thiazol decamethylene tetra relates to a method for producing a civil adsorbent, at a temperature below 20 ethylene diamine with formaldehyde 1 .