HYDROMETALLURGICAL TECHNOLOGY OF EXTRACTION OF GOLD FROM FIR-TREE FRACTION WITH PUROGOLD PITCH USE ON JSC "POKROVSK MINE"
Ways of processing of ore concentrates with the small content of the precious metals, allowing to increase extraction of gold, silver and other accompanying elements are offered. Results of experiences which showed are given that nitrate lead positively influences dynamics of extraction of precious metals at optimum time of processing.