Vegetable Oils B Volatile
Vegetable Oils [b. Volatile And Essential]. Fruits Of Quercus Robur (see Timber—oak), When Distilled With Water, Yield An Essential Oil Of Buttery Consistence, And Peculiar, Strong Odour. Albahaca-oil.—the Illyroxylon Peruiferum (see Resinous Substances—tolu Balsam) Affords An Essential Oil Of Sp. Gr. 0.892 At 13° (55° F.), With A Pleasant, Aromatic, ...
Violets 1
Violets : (1) Gentiana Violet (11 Lb.).—boil 2 Lb. 3 Oz. Sumach, Or 61 Oz. Tannin, In Water, And Steep The Yarns Overnight In The Clear Solution. Wring Up Next Morning, And Dye In A Beck At (165° F.), Containing 9 Oz. Gum Arabic, Adding More Or Less Of The ...
Whites
Whites. Alum White.—dry Mix 2 Lb. Powdered Alum, 1 Lb. Honey ; Powder; Calcine To White Ness In A Shallow Dish, Cool, Wash, And Dry, Chinese White.—mix Finely-ground Zinc White Into A Cream With Mucilage Of Gum Tragacanth, Grinding With A Glass Muller. Permanent White.—precipitate Sulphate Of Barium From The ...
Working
Working Resulys.—the Proportion Of Sulphur Used In Regard To The Chamber Space.—we Have Already Seen That Theoretically A Very Small Amount Of Nitrous Or Hyponitric Acid Is Necessary For The Formation Of A Very Large Quantity Of Sulphuric Acid From A Mixture Of Sulphurous Acid, Oxygen, And Steam. But An ...
Yellows
Yellows. Chrome Yellow.—(a) Add A Filtered Solution Of Nitrate Or Acetate Of Lead To A Filtered Solution Of Neutral Chromate Of Potash So Long As A Precipitate Falls ; Collect This, Wash With Snit Wster, Aud Dry In Security From Sulphur-tainted Air. Et) Dissolve Acetate Of Lead In Warm Water, ...
With Design In White
Aniline Black, With Design In White, Madder Red, And Chrome Oaanoe.—this Process Illustrates The Manners In Which Aniline Black May Be Combined With Other Colours. For The Madder Red, Is Used A Mordant Of Red Liquor At 12° Tw., Thickened With 2i Lb. Flour Per Gal. Cool, And Add, Per ...