Prussian blue

Definition of Prussian blue

See under Prussian.
(Chem.) any one of several complex double cyanides of ferrous and ferric iron; specifically, a dark blue amorphous substance having a coppery luster, obtained by adding a solution of potassium ferrocyanide (yellow prussiate of potash) to a ferric salt. It is used in dyeing, in ink, etc. Called also Williamson's blue, insoluble Prussian blue, Berlin blue, etc.

See also: Blue Prussian

Related Words

iron blue, pigment
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Pruinose
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Prunella salt
Prunelle
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Prussian
-Prussian blue-
Prussian carp
Prussian green
Prussiate
Prussic
prussic acid
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