Artists' Pigments: Their Chemical and Physical PropertiesD. Van Nostrand Company, 1923 - 228 σελίδες |
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Σελίδα 18
... produce very rich hues of American Vermilion . Chrome Red , the most basic lead chromate PbCrO4 . PbO - is sometimes sold as American Vermilion , but ow- ing to its high specific gravity it separates quickly when ground in oil and is ...
... produce very rich hues of American Vermilion . Chrome Red , the most basic lead chromate PbCrO4 . PbO - is sometimes sold as American Vermilion , but ow- ing to its high specific gravity it separates quickly when ground in oil and is ...
Σελίδα 20
... producing a dull black color . This is especially no- ticeable in admixtures of Asphaltum and white pigments ; the resultant warm tints on exposure to light are changed to dull grays . When used for under - painting , the Asphaltums ...
... producing a dull black color . This is especially no- ticeable in admixtures of Asphaltum and white pigments ; the resultant warm tints on exposure to light are changed to dull grays . When used for under - painting , the Asphaltums ...
Σελίδα 31
... produced by admixtures of Sien- nas and Umbers , a less permanent imitation is made of Vandyke Brown and Bt . Sienna . See Raw Umber for chemical properties . CAPPAH BROWN Pardo de Cappah , Kappahbraun This color comes under the ...
... produced by admixtures of Sien- nas and Umbers , a less permanent imitation is made of Vandyke Brown and Bt . Sienna . See Raw Umber for chemical properties . CAPPAH BROWN Pardo de Cappah , Kappahbraun This color comes under the ...
Σελίδα 37
... produce a permanent and opaque color . This color was not origi- nally made in China as the name might imply , but was first introduced in France about the middle of the nine- teenth century and probably given its name to hide its ...
... produce a permanent and opaque color . This color was not origi- nally made in China as the name might imply , but was first introduced in France about the middle of the nine- teenth century and probably given its name to hide its ...
Σελίδα 39
... produce a deep blue color , if Prussian Blue was used as a constituent of the Chrome Green . Chrome Yellows can also be detected by treating the Chrome Green with sodium sulphide resulting in the formation of black lead sulphide ...
... produce a deep blue color , if Prussian Blue was used as a constituent of the Chrome Green . Chrome Yellows can also be detected by treating the Chrome Green with sodium sulphide resulting in the formation of black lead sulphide ...
Συχνά εμφανιζόμενοι όροι και φράσεις
admixture alcohol Alizarin alkalies alumina aluminum ammonium artists atoms Barium Barium Chromate base brilliant Brown Cadmium Yellow calcined calcium carbon dioxide Carmine chemical and physical chloride chromate Chrome Greens Chrome Yellow clay coal-tar Cobalt Blue coloring matter coloring principle colorless compounds containing copper crystalline decompose dilute dissolved distillation durable elements ferric Gamboge grams gray gypsum H₂O heated hydrated hydrochloric acid hydrogen sulphide hydroxide impure Indigo insoluble known lake colors lake pigments Lamp Black Lithopone Madder Lakes manufacture ments metallic mineral mixture nitric acid obtained ochres oil color opaque organic oxygen painting Permalba permanent to light potassium powder precipitate principally produced Prussian Blue pure reaction Red Lead salts Sienna silicate sodium sulphide soluble in water substances sulphate sulphuric acid techniques temperature tinting strength transparent Ultramarine variety Vermilion violet washed water color water of crystallization water solution White Lead yellow lakes yield Zinc Oxide Zinc White
Δημοφιλή αποσπάσματα
Σελίδα 208 - CAPACITY. marked. 4 gills = 1 pint pt. 2 pints -. 1 quart i/f. 4 quarts = 1 gallon gal. 2 gallons = 1 peck pk, 4 pecks ~ 1 bushel /<».-„'• . 8 bushels = 1 quarter qr.
Σελίδα 207 - Measures of Weight 10 milligrams (mg) =1 centigram eg 10 centigrams =1 decigram dg 10 decigrams =1 gram g 10 grams =1 dekagram Dg 10 dekagrams =1 hektogram Hg 10 hektograms =1 kilogram Kg...
Σελίδα 206 - MEASURE 144 sq. in. = 1 sq. ft. 9 sq. ft. = 1 sq. yd.
Σελίδα 207 - APOTHECARIES' WEIGHT. 20 grains (gr.) = 1 scruple (3). 3 scruples = 1 dram (3). 8 drams = 1 ounce ( 5 ). 12 ounces = 1 pound (ft).
Σελίδα 208 - In counting many kinds of articles we use these measures : 12 things = 1 dozen (doz.) 12 dozen = 1 gross (gr.) 12 gross = 1 great gross (G. gr.) 20 things = 1 score...
Σελίδα 181 - Triclinic CHRYSOCOLLA, 383 CuSiO3.nH2O Amorphous The United States produces about 30 per cent of the world's copper. Copper is used most extensively for the transmission of electricity and in castings and alloys. Brass consists of copper and zinc; German silver of copper, zinc, and nickel; bronze and bell metal of copper, tin, and zinc.
Σελίδα 155 - An acid is a hydrogen compound whose water solution contains hydrogen ions.
Σελίδα 207 - Apothecaries' weight: 20 grains = 1 scruple; 3 scruples = 1 dram; 8 drams = 1 ounce; 12 ounces = 1 pound.
Σελίδα 58 - Soon after the discovery of Eosin dye, in 1876, many lake pigments were introduced having this powerful and brilliant, but exceedingly fugitive dye as the coloring principal on various bases. The Geranium Lakes used principally in the fine arts are precipitated on the transparent alumina hydrate base. This color when produced from fugitive dyes, such as Eosin, Erythrosine, etc., fades in, very short time and should not be used, even if only a fair amount of permanence is required.
Σελίδα 45 - Perkin discovered a beautiful violet compound, mauve, while experimenting with aniline. During the next few years he established the manufacture of mauve on a commercial basis. This proved to be the starting point for a great industry for the preparation of thousands of different colors of almost every conceivable hue by synthetic processes.