Ferric Ammonium Citrate is a greenish yellow powder and is odorless or has a slight ammonia odor. Saline, mildly ferruginous taste; affected by light and is soluble in water. It is a complex salt of undetermined structure composed of iron, ammonia and citric acid.
Used in blueprint photography (cyanotype). Also as a treatment for iron chlorosis (iron deficiency) in trees.
Click to see how Ferric Ammonium Citrate is used in our formulas for Photographic Cyanotype Process.
Click to see how Ferric Ammonium Citrate is used in our formulas for Photographic Van Dyke Brown Process.










