Patent ID: 6102589
Filing Date: 2000-08-15
Classification: C02F,G03C,G03D

Abstract:
Method of processing in an automatic processor an exposed black-and-white silver halide photographic film material comprising the 5 steps ofdeveloping in a developer solution,fixing in a fixer solution,replenishing of fixer and developer solution,rinsing in a washing solution anddrying,characterized in that fixing is performed in one step and under such conditions thata ""silver equilibrium ratio"" of less than 2.0 is maintained, the said ratio being defined as the ratio between actual amount of silver brought into the washing solution by the film material in the rinsing step through carry-over (cross-over) of silver from the fixing solution to the washing solution and the total amount of silver that theoretically could be brought into the washing solution by the film material by such carry-over;a ""fixer to film silver ratio"" of less than 0.2 is obtained, the said ratio being defined as the ratio between silver content in ""running equilibrium condition of the fixer"" and amount of silver in the film material to be fixed in the fixing step,wherein said ""running equilibrium condition of the fixer"" is the condition attained after having replenished said fixing solution twice.