Comparative Study of the Sensitivity Specks Formed During the Ripening of Silver Chloride Relative to Silver Bromide with Gold-198 and Gold-198 Plus Sulphur-35^*†

Gold(I) coordination compounds with mesoionic thiolate ligands and the crystal and molecular structure of bis(1,4,5-trimethyl-1,2,4-triazolium-3-thiolate)gold(I) tetrafluoroborate

“…6 While the structures of the resulting impurity ion defect sites on the surface of, or inside, the silver halide microcrystals are not known with certainty, it is generally believed that silver sulfide and mixed silver-gold sulfides are formed during chemical sensitization. [7][8][9][10] The design of practical gold() sensitizers is subject to rather stringent criteria. The compounds should preferably be soluble to facilitate dispersal in aqueous dispersions of silver halide microcrystals, and most preferably soluble in water to minimize use of organic solvents.…”