"Pittacal" Quotes from Famous Books
 ... separating pittacal has not been clearly described. Dumas states, that when precipitated in a flocculent state from its solutions, or obtained by evaporation, it closely resembles indigo, and, like it, acquires a coppery hue when rubbed. It is inodorous, tasteless, and not volatile; and is abundantly soluble ...
— Field's Chromatography - or Treatise on Colours and Pigments as Used by Artists • George Field |
