1928 Giggle Water by Charles S Warnock

I40 GIGGLE WATER dried. If the wine contain logwood, the paper will assume a violet-blue color; but if the wine possess its natural coloring matter the paper will have a grey tint.

287. TO DETECT ARTIFICIAL COLORING IN WINE Use, as test liquid, a solution of potash and a solution of liquid ammonia and potash. If the wine is colored by the coloring matter of the grape, potash changes the red color to a bottle green or brownish-green); ammonia changes the color to brownish-green or greenish-brown; a solution of alum to which some potash has been added gives a dirty grey precipitate. If the wine is artificially colored, potash gives the fol lowing colored precipitates: Dark elder, mulberry, or beet root gives a violet precipitate; pokewood berries, a yellow; Indian wood, a violet red; pernambuco, a red; lit mus, a violet blue; orchil or cudbear, a dirty lees color. Or: Pour into the wine to be tested a solution of alum, and precipitate the alumina it contains, by adding potash, and the precipitates will have the same characteristics as above.

288. GRAPE CHAMPAGNE

Gather the grapes when they are just turning or about half ripe; pound them in a tub, and to every quart of pounded fruit add 2 quarts of water. Let it stand in the