Cyanotype Development and Toning
This first set of Cyanotype prints are developed in a water bath for five minutes, water and a couple capfuls of peroxide for 2-5 minutes, and a wash for five minutes.
The two sets of Cyanotpye prints below are developed in vinegar for 1 minute and washed in water for about 20 minutes. Iit takes a lot longer for the water to clear with this method, but the vinegar brings out the mid-tones and intensifies the prussian blue beautifully. (5% glacial acetic acid to 95% water yields identical results).
The following two sets are toned with tea. Note: I have not yet toned any cyanotpe prints that have been developed with vinegar.
This set was wet, bleached with Arm & Hammer sodium carbonate, washed, toned with black tea (8 bags of Lipton tea to 2 quarts of water, boiled and cooled to room temperature) and washed again until water ran clear. The second image was coated again with Cyanotype, exposed and developed with the water/peroxide method.
The next two images were wet, bleached with Arm & Hammer sodium charbonate, washed, toned with black tea (8 bags of Lipton boiled in 2 quarts of water and cooled to room temperature), washed until water ran clear, placed in bleach bath for a second time and washed, back into the tea for a second time as well, and a final wash until water ran clear. The second image was coated with cyanotype again, exposed and washed with the water/peroxide method.
Finally, here is a set that I toned in coffee. The steps were the same as the tea tone. I wet, the cyanotypes, bleached in sodium carbonate, washed, toned in coffee (1/2 cup of cheap black coffee brewed to 12 cups of water and cooled to room temperature) and a final wash until water ran clear.
Excellent sources worth noting (I didn’t follow any exactly, but researched and gleaned information from each before setting out to work on my own prints):
Must have resource! —–> The Book of Alternative Photographic Processes by Christoper James <—–
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