Prussian Blue

Prussian blue is a dark blue pigment with the idealized formula Fe7(CN)18. Another name for the color Prussian blue is Berlin blue or, in painting, Parisian blue. Turnbull's blue is the same substance but is made from different reagents.

Prussian blue was one of the first synthetic pigments. It is employed as a very fine colloidal dispersion, as the compound itself is not soluble in water. It is famously complex, owing to the presence of variable amounts of other ions and the sensitive dependence of its appearance on the size of the colloidal particles formed when it is made. The pigment is used in paints, and it is the traditional "blue" in blueprints.

In medicine, Prussian blue is used as an antidote for certain kinds of heavy metal poisoning (caesium and thallium).

Prussian blue lent its name to prussic acid, which was derived from it, and to ferrocyanide (originally meaning "blue compound of iron", from Latin ferrum and Greek κυανεος). As ferrocyanide is made of iron and CN ligands, reinterpreting the component "-cyanide" in the compound word produced the word "cyanide" for compounds containing the CN radical.

Read more about Prussian Blue:  History, Production, Properties, Safety, Military

Other articles related to "prussian blue, blue, prussian":

Environmental Radioactivity - Man-made - Fission Products - Medium Lived
137Cs is to feed to animals a little prussian blue ... is so tightly bonded to the iron that it is safe for a human to eat several grams of prussian blue per day ... The prussian blue reduces the biological half-life (not to be confused with the nuclear half-life) of the caesium) ...
Caspian Blue - History of Blue - The Search For The Perfect Blue
... chemists in Europe tried to discover a way to create synthetic blue pigments, avoiding the expense of importing and grinding lapis lazuli, azurite and other minerals ... The Egyptians had created a synthetic colour, Egyptian blue, three thousand years BC, but the formula had been lost ... and pigment maker named Diesbach accidentally discovered a new blue while experimenting with potassium and iron sulphides ...
Samizu Matsuki - Career
... before the execution of final underdrawing (cartoon) by oil colour, mixture of burnt umber and Prussian blue in various composition ratio for the purpose of ... Pigments used were burnt umber, optional Prussian blue and yellow ochre (in later paintings I changed this colour to Naples yellow, because of its larger covering strength and fast drying speed.) In this case, I began ... pigments of high transparency such as alizarin crimson, ultramarine, prussian blue, verdian green, chrome yellow, aureolin, zinc white, ivory black, etc ...
Nazi Pop Twins
... wherein filmmaker James Quinn travels to the United States to investigate Prussian Blue, a pop duo composed of twin sisters Lynx and Lamb Gaede ... For example, Prussian Blue's non-political songs receive a warm reception at a bar in Fresno, until their background is revealed by their mother ... David Lane, an incarcerated white supremist, is heard speaking by telephone with Prussian Blue and termed them "fantasy sweethearts" in a manner ...
Prussian Blue - Military
... From the beginning of the 18th century Prussian blue was the predominant uniform coat color worn by the infantry and artillery regiments of the Prussian Army ...

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