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

The RCA Shops will be closed for the Christmas and New Year period between 21/12/24 - 05/01/25

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

The RCA Shops will be closed for the Christmas and New Year period between 21/12/24 - 05/01/25

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.