This article consists of 8 pages, introduction, purpose of research, objectives of research, object of research, scientific significance of research results, ways of synthesis of sorbent-forming sorbents, starting materials and research methods, synthesis of sulfur-containing sorbents, Potassium O, O-di- (2-aminoethyl) -dithiophosphate synthesis, Potassium O, O-di- (2-aminoethyl) -diophosphate and epichlorohydrin-based ligand extraction, Potassium O, O-di- (2-aminoethyl) - Obtaining a

more »

... ligand from the interaction of dithiophosphate and formaldehyde. Formation of coordination compounds of Cu (II), Zn (II), Cd (II), Ag (I) ions with synthesized sorbents, the influence of various factors on the separation of complexing sorbents and IR-spectral characteristics of their structure consists of lims.