Artists' Pigments: Their Chemical and Physical PropertiesD. Van Nostrand Company, 1923 - 228 σελίδες |
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Σελίδα 33
... dioxide , leaving no ash resi- due . Being an extremely poor dyer in oil , it also re- tards drying of admixtures with other colors and on ac- count of its great tinctorial strength or intense coloring properties , its stains every ...
... dioxide , leaving no ash resi- due . Being an extremely poor dyer in oil , it also re- tards drying of admixtures with other colors and on ac- count of its great tinctorial strength or intense coloring properties , its stains every ...
Σελίδα 88
... Dioxide and Ammonium Phosphate are melted together , with evolution of Ammonia , to yield a fused mass of violet color , which is then digested with phosphoric acid and heated until a rich violet hue is pro- duced . After cooling it is ...
... Dioxide and Ammonium Phosphate are melted together , with evolution of Ammonia , to yield a fused mass of violet color , which is then digested with phosphoric acid and heated until a rich violet hue is pro- duced . After cooling it is ...
Σελίδα 121
... dioxide and considerable heat , thereby evaporating the acetic acid , forming lead acetate ( sugar of lead ) on the surface of the lead , which in turn is con- verted into White Lead by the carbon dioxide . The Old Dutch process , when ...
... dioxide and considerable heat , thereby evaporating the acetic acid , forming lead acetate ( sugar of lead ) on the surface of the lead , which in turn is con- verted into White Lead by the carbon dioxide . The Old Dutch process , when ...
Σελίδα 122
... dioxide gas to form White Lead . In this process no acids , alkalies or other chemicals are required . Some processes bring about conversion by precipita- tion from solutions of basic lead nitrate with carbon dioxide . There are any ...
... dioxide gas to form White Lead . In this process no acids , alkalies or other chemicals are required . Some processes bring about conversion by precipita- tion from solutions of basic lead nitrate with carbon dioxide . There are any ...
Σελίδα 123
... dioxide in the air also gradually attacks White Lead . White Lead is seldom used in water color painting , and not at all in Fresco or Mineral Painting , as in these techniques it is insufficiently protected and discolors very readily ...
... dioxide in the air also gradually attacks White Lead . White Lead is seldom used in water color painting , and not at all in Fresco or Mineral Painting , as in these techniques it is insufficiently protected and discolors very readily ...
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 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 soda 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.