Artists' Pigments: Their Chemical and Physical PropertiesD. Van Nostrand Company, 1923 - 228 σελίδες |
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Σελίδα 5
... important facts to be considered , when selecting pigments , are : I. The chemical composition and physical properties of the pigment . II . Whether the pigment is absolutely safe and de- pendable , durable and permanent to light ...
... important facts to be considered , when selecting pigments , are : I. The chemical composition and physical properties of the pigment . II . Whether the pigment is absolutely safe and de- pendable , durable and permanent to light ...
Σελίδα 6
... important factor and the pigment should meet this qualification in its broadest interpreta- tion ; namely be permanent to light and air , in mixture with other pigments and vehicles and according to the technique in which it is applied ...
... important factor and the pigment should meet this qualification in its broadest interpreta- tion ; namely be permanent to light and air , in mixture with other pigments and vehicles and according to the technique in which it is applied ...
Σελίδα 7
... important to guard against . This element is found in the gases coming from decaying or putrid animal and organic matter , marsh waters , or swamps and in coal gas . All the inert pigments , such as Permalba , Terra Alba , Asbestine ...
... important to guard against . This element is found in the gases coming from decaying or putrid animal and organic matter , marsh waters , or swamps and in coal gas . All the inert pigments , such as Permalba , Terra Alba , Asbestine ...
Σελίδα 9
... important as the dye industry . A lake pigment is not merely a mixture of dyestuff and an inert base . A pigment thus formed would not have the color - principle firmly fixed and would " bleed , " ' that is , it would , in admixtures ...
... important as the dye industry . A lake pigment is not merely a mixture of dyestuff and an inert base . A pigment thus formed would not have the color - principle firmly fixed and would " bleed , " ' that is , it would , in admixtures ...
Σελίδα 16
... important coloring principles : Alizarin CH , 04 and Purpurin CH , Os , the Alizarin yielding the more permanent lakes of brilliant crimson , rose , purple , violet and maroon hues , varying according to the concentration , purity and ...
... important coloring principles : Alizarin CH , 04 and Purpurin CH , Os , the Alizarin yielding the more permanent lakes of brilliant crimson , rose , purple , violet and maroon hues , varying according to the concentration , purity and ...
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.