Gum Bichromate Prints
Gum bichromate printing is a 19th-century photographic contact printing process that uses watercolor pigment, gum arabic, and potassium dichromate. Solutions of these three ingredients are combined to make a light-sensitive emulsion which is then brushed in a thin layer onto paper. When the sensitized paper is exposed to ultraviolet light under a photographic negative and developed in water, an image is formed. The image is built up slowly with successive layers through multiple cycles of coating, exposure, and development. The result is a unique handmade print, a fusion of photography and painting, that will last indefinitely and will not fade.
My prints are made on 100-percent cotton paper using the highest-quality pigments. The visible brush marks on the margin of some of the prints are evidence of the hand-printing process and are intentionally displayed as part of the image. Please contact the Ryan Gallery at Art Intersection for purchase information, or contact me here.
Ryan Gallery at Art Intersection
207 North Gilbert Road, Suite 201A
Gilbert, Arizona 85234