| Chapter 3 | TONING |
Toning adds color to a black-and-white photograph or Liquid Light Print (see Chapter 12), Van Dyke brown print (see Chapter 7), or graphic arts film transparency (see Chapter 5) by immersion in, or the selective application of, chemical agents. This process can be performed in ordinary room light as an added step after the print has been completely processed and thoroughly washed.
Three different groups of toners are described in this chapter. The first group contains a number of toners that chemically change the silver in a print from black to various other colors. The second group, called color coupler toners, plate the silver with a color dye. The third group, dye toners, give a uniform color to both image and paper. ...
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