Heat stabilized silver chloride photographic emulsions containing thiosulfonate/sulfinate compounds

摘要

A compound represented by Formula I MO2S-Z-SO2SM1(I) wherein Z is a non-metallic arylene, alkylene or heterocyclic group, and M and M1 are independently cationic counter ions and the use of said compound in a silver halide photographic element comprising a silver halide emulsion which is greater than 50 mole % silver chloride.