Buch 
A practical handbook of dyeing and calico-printing / by William Crookes
Entstehung
Seite
608
JPEG-Download
 

608 DYEING AND CALICO PRINTING.

No. 31. Dark Grey .—

Gum-water . 4 gals.

Lilac standard, No. 26 2 ,,

Yellow prussiate. 4 lbs.

Hot water . 1 gal.

No. 32. Lavender .—

Lavender liquor, No. 12 4 gals.

Blue standard, No. 6. 4 ,,

Gum-water (according to shade) .24 to 48 gals.

No. 33. Lilac (Dark ).—

Pink standard (see below). 6 gals.

Purple standard (see below) . 2 ,,

Gum-substitute .20 lbs.

No. 34. Lilac (Light ).—

Pink standard . 6 gals.

Purple standard . 2 ,,

Gum-water . 6 ,,

No. 35. Pink Standard .—

Cochineal liquor, at 6° Tw. 4 gals.

Alum . 2 lbs.

Cream of tartar. 2 „

Oxalic acid .. . . » lb.

This mixture, thickened with 4 gals, of thick gum Senegal water, forms a pinksteam-colour. The proportions of alum, cream of tartar, and oxalic acid usedby different printers vary considerably, some putting, to the above quantity ofcochineal liquor, only i£ lbs. alum, 12 ozs. cream of tartar, and 4 ozs. ofoxalic acid, whilst others employ intermediate quantities.

No. 36. Purple Standard.

Logwood liquor, at 12* Tw.. 2 gals.

Alum '... . 12 ozs.

Red prussiate . 8 ,,

Oxalic acid. 4 ,,

This quantity, mixed with 8 gals, gum substitute water, forms a good cylindercolour. If wanted for block-printing, 12 gallons of gum-water are required.Here, also, the amount of salts and acids varies in different establishments.In some receipts, to 2 gals, of logwood liquor, 1 lb. of red prussiate, i£ lbs.alum', 2 ozs. of oxalic acid, and 4 ozs. of oxalate of potash are used.

No, 37. Pink (Sapan Wood ).—

Sapan liquor, at 3 0 Tw. 2 gals.

Pink salt . 2 lbs.

Sal-ammoniac . 1 lb.

Oxalic acid .. .•. 2 ozs.

Sulphate of copper. 2 „

Gum-water (thick) . 2 gals.