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The dry Photographer's Formulary Cyanotype Kit introduces you to the cyanotype, which is one of the oldest photographic processes and one of the least expensive. Cyanotypes have a long, full scale and distinctive blue color. The process can be used to produce a pale white image on a blue background or a blue image on a white background. It is a contact printing process and can be transferred to a variety of media; paper, cloth, leather, and other media. This kit will produce up to 24x 8 x 10" prints.
20g of arrowroot starch for sizing
100g of ferric ammonium citrate (green) to act as sensitizer A
40g of potassium ferricyanide to act as sensitizer B
1g of potassium dichromate for contrast control