The solution is obtained by mixing the chemicals ferric ammonium (20%) and potassium ferricyanide (8%) into distillated water.
This solution is applied to the surface of a watercolour paper and is left to dry in a dark room. Once the watercolour paper is completely dry, any type of material can be added on top of the surface.
When exposed to an ultraviolet light like the sun, the watercolour paper will change gradually into a dark grayish colour. An imprint of the material used should be seen on the surface of the watercolour paper.
The print is rinsed with running water until no more solution is washed off and then submerged into hydrogen Peroxide 6% solution of the standard 3% until the print turns into a dark blue colour. The print will be washed for a second time and left to dry.
What worked?
I applied the solution previously mixed on my watercolour paper and let it dry. Once the paper was totally dry I placed a leaf on the surface and set it on the floor directly into the sunlight. Once the watercolour paper turned gray I took it back indoors and made sure that it was not exposed to the indoor lights. I washed my paper with water until I could no longer see color in the water and submerged it into hydrogen peroxide. I washed the print for a second time and hanged it to dry. I could partially see the form of the leaf I used.
What you discovered?
That it is possible to obtain a form of exposure without the use of a camera.
What you would do next time?
I would make sure that my watercolour paper is well exposed into a direct ultraviolet source. It will prevent moving the watercolour paper to a different location during the exposure process.
This solution is applied to the surface of a watercolour paper and is left to dry in a dark room. Once the watercolour paper is completely dry, any type of material can be added on top of the surface.
When exposed to an ultraviolet light like the sun, the watercolour paper will change gradually into a dark grayish colour. An imprint of the material used should be seen on the surface of the watercolour paper.
The print is rinsed with running water until no more solution is washed off and then submerged into hydrogen Peroxide 6% solution of the standard 3% until the print turns into a dark blue colour. The print will be washed for a second time and left to dry.
What worked?
I applied the solution previously mixed on my watercolour paper and let it dry. Once the paper was totally dry I placed a leaf on the surface and set it on the floor directly into the sunlight. Once the watercolour paper turned gray I took it back indoors and made sure that it was not exposed to the indoor lights. I washed my paper with water until I could no longer see color in the water and submerged it into hydrogen peroxide. I washed the print for a second time and hanged it to dry. I could partially see the form of the leaf I used.
What you discovered?
That it is possible to obtain a form of exposure without the use of a camera.
What you would do next time?
I would make sure that my watercolour paper is well exposed into a direct ultraviolet source. It will prevent moving the watercolour paper to a different location during the exposure process.
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