The Art of Perfumery, and Methods of Obtaining the Odors of Plants

PINK SAUCERS. The safflower is washed in water until the yellow coloring-matter is removed; the carthamine or color principle is then dissolved out by a weak solution of carbonate of soda; the coloring is then precipitated into the saucers by the addition of sulphuric acid to the solution. Cotton wool and crape being colored in the same way are used for the same purpose, the former being sold as Spanish wool, the latter as Crépon rouge.