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