abstract |
The invention relates to the preparation of photographic silver halide emulsions for light-space materials. According to the invention, 4,4-bis- & 4- (3-sulfanilino) -6-monoethanolamino-1,3,5-triazinyl- (2) -amino! -Stilbene-2,2-disulfonic acid is added to a rhodium-doped silver halide emulsion after physical ripening in an amount from 10 3 to 10 7 moles per mole of silver. |