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Coloring Perfumes
Color imparted by chlorophyll will be found fairly permanent; this term is a relative one and not too much must be expected. Colors which may suffer but little change by long exposure to diffused light may fade perceptibly by short exposure to the direct light of the sun. Chlorophyll may be purchased or it may be prepared a follows: Digest leaves of grass, nettles, spinach, or other greet herb in warm water until soft; pour off the water and crust herb to a pulp. Boil the pulp for a short time with a half per cent solution of caustic soda, and afterwards precipitate the chlorophyll by means of dilute hydrochloric acid; wash the precipitate thoroughly with water, press and dry it, and use as much for the solution as may be necessary. Or a tincture made from grass as follows may be employed:
Lawn grass,
cut fine
... 2 ounces Put the grass in a wide mouthed bottle, and pour the alcohol upon it. After standing a few days, agitating occasionally, pour off the liquid, the tincure may be used with both alcoholic and aqueous preparations. Among the anilines, spirit soluble malachite green has been recommended. A purple or violet tint may be produced by using tincture of litmus or ammoniated cochineal coloring. The former is made as follows:
Litmus
.
2½ ounces Pour the water upon the litmus, stir well, allow standing for about an hour, stirring occasionally, filter, and to the filtrate add the alcohol. |
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