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To Dye with Iodine Green

Green.

Mix 3 pounds of iodine green paste well with about 24 pounds of cold water; then add sucfor stirring, put1 pound of the dye, 5 gallons alcohol specific gravity .8200, and 2 ounces sulsulphuric acid; apply the heat of a water bath and stir frequently. After allowing the mixture to cool, filter, and treat any undissolved cessively, 1 pound acetic acid 8º Baumé, 80 residue with fresh alcohol until complete scpounds water of a temperature of 140° Fahr, lution is effected. From 5 to 8 gallons will be and 2 pounds liquor ammonia, stirring the required. The dye bath for wool should Le mixture well all the while, and filtering it rendered sour by sulphuric acid. Tin crysta ; before use. Bring the dye bath to the boil- may be used, in quantity equal to about ½ may be used, in quantity equal to about ing point; put in as much of the solution as is the weight of the wool, to improve the vivanecessary for the shade required, and dye for city of the shade. The bath should be brought city of the shade. The bath should be brough half an hour, letting the bath cool, off in the to the boiling point. For silk, prepare a soap meantime. Then have a second water bath bath, add the color, and put in the good. of 140° Fahr. ready, prepared as follows, viz. When dyed sufficiently, pass through a bath dyed sufficiently, pass through a batin For every 20 pounds of wool, add pound sulacidulated with sulphuric acid. 2604. To Dye Cotton with Aniline phuric acid 63° Baumé, and pound perchloride of tin crystals, the latter previously Blue. Cotton is prepared as for magen... dissolved in an equal quantity of water. Take (see No. 2577), and dyed in an acid bath asfer see No. 2577), and dyed in an acid bath as f the goods from the first bath, without washing, wool. (See No. 2603.) into the second bath, turn them in it for 15 2605. To Dye with Aniline Waterminutes, and the green will develop vividly. Blue. This color is quite soluble in wate., For yellowish tints, shade off with picric acid and will answer well for preparing a liquid (see No. 2601), which must be added to the dye; 1 pound may be dissolved in a mixture second bath and dyed quickly. By this of 1 gallon alcohol and 4 gallons water. Dyers method, 1 pound of iodine green paste will dissolve the powder in the dye bath. The dre dye 12 pounds of wool a medium shade. Preis used in the same way as Bloude Lyon. (Sce serve the first bath, inasmuch as one-third of No. 2603.) 2606.

To Dye with Alkali Blue and the dye remains in it, which circumstance is important in renewing the bath, which will, Nicholson's Blue. Dissolve 1 pound of te consequently, require one-third less dye-stuff dye in 10 gallons boiling water. Add this, Ly small portions, to the dye bath, which should when making it for the second lot.