| 摘要 |
A method for preparing a kit part of a bleach-fixing solution or a kit of a bleaching solution for use in silver halide color photographic materials is disclosed, comprising (a) adding a [S,S]-alkylenediamine-N,N'-disuccinic acid or its salt into a mixing tank to form a solution, and then, (b) adding thereto at least one iron (III) salt selected from the group consisting of iron (III) nitrate, iron (III) chloride, iron (III) bromide, (M1)3Fe(III) (SO4)3 and M1Fe(III) (SO4)2.
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