) or the like metal ions with an organic acid such as ethylenediaminetetraacetic acid, nitrilotriacetic acid, diethylenetriaminepentaacetic acid, 1,2-cyclohexanediaminetetraacetic acid, glycol ether diaminetetraacetic acid,oxybis-(ethyleneoxyethylenenitrilo) tetraacetic acid, oxalic acid or citric acid.The silver halide-fixing agent used in the present invention is a compound capable of forming a