Part 10 (2/2)

Some recipes soak the cotton 24 hours, others 48

RECIPES FOR DYEING

(1) INDIGO VAT

Take 3 oz well ground indigo, mix into a paste with hot water Slake 3 oz Quicklime and boil with 6 oz Potash or Soda ash in sufficient water, let it settle, pour off the clear liquor in which dissolve the indigo paste, boil or keep hot 24 hours; it should then have the consistency of thick crea, slake another 3 oz quicklime, boil in a pint of water for 15 minutes, let settle, pour off the clear liquor in which dissolve 4 to 5 oz green copperas Add the indigo and copperas solutions to 5 gallons water, stir well, let vat rest, stir once or twice during 24 hours or until it appear ready for dyeing Before use it should be stirred and let stand 2 hours It should be a clear yellowish green with much scum

The cotton to be dyed should be entered in dips of increasing lengths of ti to depth of shade required It should then be ashed, passing through water slightly acidulated with Sulphuric acid (a teaspoonful to 1 gallon) When this vat appears exhausted and turns a dark colour it2 or 3 oz Green Copperas dissolved as before When again exhausted, redients o, 4 oz Copperas, 5 oz Quicklio into a paste with hot water Dissolve copperas in hot water Slake liallons cold water and add the Indigo, copperas and slaked lime in that order Stir well, cover and let stand till next day or until vat is in proper condition; it should be clear brownish yelloith possible blue scu process is as in (1)

(3) RED

(For 1 lb cotton) The Turkey Red process is long and difficult (1) Boil yarn 6 to 8 hours in a solution of carbonate of soda, 1-1/2 oz, ell and dry (2) Prepare a solution of 2 fluid ozs Turkey Red oil, 2 ozs carbonate of soda at 100F, work cotton in this till thoroughly saturated, wring out, dry (3) Repeat No 2 (4) Repeat No

2 (5) Steep 3 or 4 hours in solution of 1 oz carbonate of soda at 100F, wring out, dry (6) Repeat No 5 with a slight increase of soda (7) as No 6 (8) Steep 10 hours in water at 100F, dry The cotton should now be clear white (9) Steep 4 hours in solution of 1-1/2 oz tannic acid or 4 oz Galls, at 100F, wring out, dry (10) Steep 24 hours in solution2-1/2 oz carbonate of soda crystals, wring out and dry The cotton is now grey coloured (11) Dye with 2 lbs

slowly to the boil, boil for 1 hour, a white scum on the surface denotes the cotton has absorbed all its colour A teaspoonful of chalk may be added to the dye-bath The cotton is now dark claret colour (12) To brighten, boil 3 or 4 hours in a solution of 1/2 oz

carbonate of soda crystals and 1/2 oz soap The bath should be covered, except for a small outlet for the steam which otherwise should be retained as htened by boiling with 1/2 oz soap and a teaspoonful of Tin Wash and dry

(4) RED

(For 1 lb) After boiling out in soda, wash and dry Steep overnight in a hot bath of 1-1/2 oz Tannic acid or 4 oz Galls, dry, steep in cold solution of 1/4 lb alum and 1/2 oz chalk, dry, add 2 oz more alum to solution and steep as before, wash and dry Dry with 12 oz

Madder, bring to boil in 1 hour and boil a few h warm soap bath, 2 oz, wash and dry

(5) YELLOW

(For 1 lb) Mordant twice in Alue 73), or in 1/4 lb alu in cold solution Pass through weak bath of chloride of lime, wash, dry Dye with 2-1/2 lbs weld and 1/2 oz copper sulphate, boil for 1 hour, then boil with soap Or dye with 2 to 3 oz Quercitron, which should be brought slowly to the boil and boiled for a few minutes only

(6) YELLOW

(For 1 lb) Steep overnight in hot bath of 1-1/2 oz Tannic acid, or 4 oz Galls, wring out, dry Work 2 hours in bath of 1/4 lb aluh weak bath of chloride of lime about 1 oz, dry Return to alum bath and repeat process, ell, dye sloith 1-1/2 oz Flavin

(7) ORANGE

(For 1 lb) Boil 2 oz Annatto with 1 oz carbonate of soda crystals for 1/2 hour, then add to a bath containing a teaspoonful of Turkey Red Oil, boil for 10 minutes Take off boil, enter yarn, boil for 1-1/4 hours, let cool to hand heat, rehtly and dry quickly

(8) BROWN

(For 1 lb) Enter in one bath 1 oz Cutch, in another 1/2 oz Chro out, boil 10 minutes in chrome bath Add 6 oz fustic or 1 oz flavin to cutch bath, re-enter cotton Repeat above until the required depth of colour is reached, finish in cutch bath to obtain deepest shade, which reyish drabferrous sulphate All shades of brownthe awood or fustic, in which latter case the cotton should have been previously mordanted

(9) BLACK

(For 1 lb) Wash, steep overnight in hot solution of tannic acid, 1 oz, wring out without washi+ng, work for 10 minutes in soda bath, at a te out, work in cold solution of copperas, 1-1/4 oz, for 1/2 hour, return to soda bath for 1/4 hour Wash, dye in bath of logwood 12 oz, madder 2-1/2 oz, and fustic 8 oz Enter into cold bath and raise gradually to boiling, boil for 1/2 hour, pass through warh warm soap bath

Greys wood afterin a weak solution of iron

THE ZINC-LIME INDIGO VAT