recovering said fixer solution in a condition suitable for reuse as a photographic fixer in a process for fixing {HEAD ~ photographic film}, wherein {TAIL ~ the pH} of said solution is not significantly altered by said process 
wherein
recovering said fixer solution in a condition suitable for reuse as a photographic fixer in a process for fixing { HEAD ~ photographic film } , wherein { TAIL ~ the pH } of said solution is not significantly altered by said process
OTH 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 REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH