Preparation of Colors for Bricks
Description
This section is from the "Henley's Twentieth Century Formulas Recipes Processes" encyclopedia, by Norman W. Henley and others.
Preparation of Colors for Bricks
The specified ingredients should all be obtained finely ground, and after being mixed in the proportions given should, in a saggar or some clay vessel, be fired in the brick kiln and afterwards ground for use. In firing the ingredients the highest heat attainable is necessary,
Turquoise
Oxide of zinc........ 8 parts
Oxide of cobalt...... 1.25 parts
Grass Green
Oxide of chrome..... 6 parts
Flint............... 1 part
Oxide of copper...... 0.5 part
Royal Blue
Pure alumina........ 20 parts
Oxide of zinc........ 8 parts
Oxide of cobalt...... 4 parts
Mazarine Blue
Oxide of cobalt...... 10 parts
Paris white.......... 9 parts
Sulphate barytes..... 1 part
Red Brown
Oxide of zinc........ 40 parts
Crocus of martis..... 6 parts
Oxide of chrome..... 6 parts
Red lead............ 5 parts
Boracic acid......... 5 parts
Red oxide of iron .... 1 part
Orange
Pure alumina........ 5 parts
Oxide of zinc........ 2 parts
Bichromate of potash. 1 part
Iron scale........... J part
Claret Brown
Bichromate of potash. 2 parts
Flint............... 2 parts
Oxide of zinc........ 1 part
Iron scale........... 1 part
Blue Green
Oxide of chrome..... 6 parts
Flint............... 2 parts
Oxide of cobalt...... 3/4 part
Sky Blue
Flint............... 9 parts
Oxide of zinc........ 13 parts
Cobalt............. 2.5 parts
Phosphate soda...... 1 part
Chrome Green
Oxide of chrome..... 3 parts
Oxide of copper...... 1 part
Carbonate of cobalt.. 1 part
Oxide of cobalt...... 2 parts
Olive
Oxide of chrome..... 3 parts
Oxide of zinc........ 2 parts
Flint............... 5 parts
Oxide of cobalt...... 1 part
Blood Red
Oxide of zinc........ 30 parts
Crocus martis....... 7 parts
Oxide of chrome..... 7 parts
Litharge. .. ........... 5 parts
Borax.............. 5 parts
Red oxide of iron..... 2 parts
Black
Chromate of iron..... 24 parts
Oxide of nickel...... 2 parts
Oxide of tin......... 2 parts
Oxide of cobalt...... 5 parts
Imperial Blue
Oxide of cobalt...... 10 parts
Black color.......... 1.5 parts
Paris white.......... 7.5 parts
Flint............... 2.5 parts
Carbonate of soda... 1 part
Mahogany
Chromate of iron..... 30 parts
Oxide of manganese.. 20 parts
Oxide of zinc........ 12 parts
Oxide of tin......... 4 parts
Crocus martis....... 2 parts
Gordon Green
Oxide of chrome..... 12 parts
Paris white.......... 8 parts
Bichromate of potash. 4.5 parts
Oxide of cobalt...... 3/4 part
Violet
Oxide of cobalt...... 2.5 parts
Oxide of manganese.. 4 parts
Oxide of zinc........ 8 parts
Cornwall stone...... 8 parts
Lavender
Calcined oxide of zinc 5 parts Carbonate of cobalt. . 3/4 part
Oxide of nickel...... 1/4 part
Paris white.......... 1 part
Brown
Manganese......... 4 parts
Oxide of chrome..... 2 parts
Oxide of zinc........ 4 parts
Sulphate barytes..... 2 parts
Dove
Oxide of nickel....... 7 parts
Oxide of cobalt...... 2 parts
Oxide of chrome..... 1 part
Oxide of flint........ 18 parts
Paris white.......... 3 parts
Yellow Green
Flint............... 6 parts
Paris white.......... 4 parts
Bichromate of potash. 4.5 parts
Red lead............ 2 parts
Fluorspar........... 2 parts
Plaster of Paris...... 1.5 parts
Oxide of copper...... 0.5 part
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