A process is disclosed for recovering silver sulfide from {HEAD ~ a spent photographic fixer solution}, which contains {TAIL ~ silver} 
contains
A process is disclosed for recovering silver sulfide from { HEAD ~ a spent photographic fixer solution } , which contains { TAIL ~ silver }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL