how to mix cyanotype chemicals

Best answer


For classic cyanotype, mix solutions ofammonium ferric citrate and potassium ferricyanide (diluted as per manufacturers instructions) in equal parts. Lay your paper on a board or glass and apply the solution with a foam or hake brush, avoid brushes with metal ferrules, as these can react with the cyanotype chemicals.

People also ask


  • How do you make cyanotype solution?

  • For basic protection you need protective glasses, mask and gloves. Chemicals The cyanotype solution is made from two chemicals: Ferric ammonium citrate (green) and Potassium ferricyanide. These solutions are generally labelled A and B. Mix equal measures of A + B to make the working solution.

  • What kind of paper do you use to make cyanotype?

  • I have been using Photography Formulary Cyanotype liquid. You can buy it in the dry form and mix it yourself but let it cure 24 hours before using. The dry chemicals last much longer than the liquid version so it just depends on how often you plan to make these. My paper choice is Arches Hot Press watercolor paper only because I had a glut of it.

  • What equipment do you need to work with cyanotype?

  • Safety equipment Cyanotype chemicals must be handled with care. The most hazardous practice is mixing raw chemicals to make stock solution. For basic protection you need protective glasses, mask and gloves. Chemicals The cyanotype solution is made from two chemicals: Ferric ammonium citrate (green) and Potassium ferricyanide.

  • What kind of light do you use to make cyanotype?

  • Tungsten light, as found in most lightbulbs is fine. Use a brush to evenly coat your cyanotype solution. A foam brush will give you a nice even coat. Then, leave the paper to dry in the dark.

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