Prussian blue is a dark blue pigment produced by oxidation of ferrous ferrocyanide salts.
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16 Facts About Prussian blue
2.
Turnbull's Prussian blue is chemically identical, but is made from different reagents, and its slightly different color stems from different impurities and particle sizes.
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3.
Prussian blue pigment is significant since it was the first stable and relatively lightfast blue pigment to be widely used since the loss of knowledge regarding the synthesis of Egyptian blue.
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5.
At around the same time, Prussian blue arrived in Paris, where Antoine Watteau and later his successors Nicolas Lancret and Jean-Baptiste Pater used it in their paintings.
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Egyptian blue Berlin Jacob Antoine Watteau Paris Cyanide European Union Nanoparticles6.
Prussian blue borrowed the potash from Dippel, who had used it to produce his animal oil.
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7.
In 1752, French chemist Pierre J Macquer made the important step of showing Prussian blue could be reduced to a salt of iron and a new acid, which could be used to reconstitute the dye.
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8.
Cyanide, a colorless anion that forms in the process of making Prussian blue, derives its name from the Greek word for dark blue.
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9.
Prussian blue is produced by oxidation of ferrous ferrocyanide salts.
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10.
The variability of Prussian blue's composition is attributable to its low solubility, which leads to its rapid precipitation without the time to achieve full equilibrium between solid and liquid.
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11.
Prussian blue is strongly colored and tends towards black and dark blue when mixed into oil paints.
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12.
The intense blue color of Prussian blue is associated with the energy of the transfer of electrons from Fe to Fe.
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13.
Nanoparticles of Prussian blue are used as pigments in some cosmetics ingredients, according to the European Union Observatory for Nanomaterials.
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14.
Prussian blue is a common histopathology stain used by pathologists to detect the presence of iron in biopsy specimens, such as in bone marrow samples.
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15.
Prussian blue is present in some preparations of laundry bluing, such as Mrs Stewart's Bluing.
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16.
Prussian blue has been studied for its applications in electrochemical energy storage and conversion since 1978.
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