{TAIL ~ The invention} relates to a method for the recovery of gold in connection with the hydrometallurgical production of copper from {HEAD ~ a residue} or intermediate product containing sulphur and iron generated in the leaching of copper raw material 
{ TAIL ~ The invention } relates to a method for the recovery of gold in connection with the hydrometallurgical production of copper from { HEAD ~ a residue } or intermediate product containing sulphur and iron generated in the leaching of copper raw material
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH