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ShopRCA is for use by Royal College of Art students and staff only

ShopRCA is for use by Royal College of Art students and staff only

Cyanotype Process Chemicals

Cyanotype Process Chemicals

£47.25

100g Potassium Ferricyanide + 250g Ferric Ammonium Citrate

Chemicals for creating cyanotypes prints. Cyanotype is a slow-reacting, economical photographic printing light-sensitive formulation, and it produces cyan-blue prints. The process used in this kit involves two chemicals - ferric ammonium citrate and potassium ferricyanide - and only water to develop and fix.

You can view the instructions here (pdf).

Prior to using these chemicals, please read the safety data sheets:

Potassium Ferricyanide - safety data sheet (pdf)
Hazard statements: EUH032: Contact with acids liberates very toxic gas.

Ferric Ammonium Citrate - safety data sheet (pdf)
Potential Acute Health Effects: Slightly hazardous in case of skin contact (irritant), eye contact (irritant), ingestion, and inhalation.