Open Daily: 10am - 10pm | Alley door pickup 10am - 7pm 3038 Hennepin Ave Minneapolis, MN
612-822-4611

  • Open Daily: 10am - 10pm
    Alley-side Pickup: 10am - 7pm

    3038 Hennepin Ave Minneapolis, MN
    612-822-4611

Open Daily: 10am - 10pm | Alley-side Pickup: 10am - 7pm
3038 Hennepin Ave Minneapolis, MN
612-822-4611
Papermakers' Pocket Book; Specially Compiled for Paper Mill Operatives, Engineers, Chemists, and Office Officials

Papermakers' Pocket Book; Specially Compiled for Paper Mill Operatives, Engineers, Chemists, and Office Officials

Beveridge, James

Paperback

Technology & EngineeringGeneral World History

Currently unavailable to order

ISBN10: 1231251492
ISBN13: 9781231251492
Publisher: General Books
Pages: 56
Weight: 0.26
Height: 0.12 Width: 7.44 Depth: 9.69
Language: English
This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1911 Excerpt: ...yellows of a greenish shade, which also limits its application. Mordant with acetate and sulphate of alumina. Annatto.--This extract is prepared by digesting 10 lbs. of the dye-stuff in 30 gallons of boiling water, in which 10 lbs. of soda crystals have been previously dissolved. Filter through a linen bag Excess of alkali intensifies the yellow colour, whilst a diminished quantity turns it red. Applicable in combination with weld and quercitron for golden yellow and orange tones. The pulp should be dyed first and alum added afterwards. Brighten with magenta, crocein scarlet, or orange. Red.--Red Wood, Pernambuco Wood, t. These colouring matters &t-not extensively used, owing to their fugitive character. They form red lakes with alumina, which are brightened with tin crystals. Cochineal.--This is really an animal dve, being the body of a female insect found in Central America. The large grey variety is the best. The dye is extracted by boiling the cochineal repeatedly in water. Mordant with alum or sulphate of alumina. Al2 Os produces beautiful carmine lakes with this colouring matter. Alkalies yield bluish shades, and therefore slight excess of alum should be used. Tin crystals yield pure tones, especially in combination with oxalic acid, the latter tending to produce yellowish shades. Another excellent preparation of cochineal is obtained by placing 20 parts of the ground dye in a large glass vessel, together with 60 parts of ammonia, and setting the whole aside for a few days in a warm room till the fluid thickens. Filter before use. This is used with greatest advantage with alum and tartaric acid. Brighten with tin crystals. Blue.--Logwood is seldom or never used alone, but in conjunction with other colours, for the production of deep, dark bl...

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