The pigment Prussian blue consists of iron cations, cyanide anions, and water. The empirical formula—minus the water of crystallization—is Fe 7 (CN) 18. This seems odd with respect to the iron ...
ALTHOUGH prussian blue has been known since 1704, and has long been an important pigment, its chemistry has never been satisfactorily explained. The whole subject is surprisingly confused in spite of ...
The Food and Drug Administration is soliciting new drug applications for a medicinal version of a blue dye that has been found to protect people against radiation exposure following the detonation of ...
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