
How to determine the turbidity – in the coloring compounds
Turbidity – clarity of pigments is measured by light refractive index (refractive index) and size of colored particles. 1) The refractive index of a substance […]
Turbidity – clarity of pigments is measured by light refractive index (refractive index) and size of colored particles. 1) The refractive index of a substance […]
I roughly translated this method as “vinegar & compost” (“stack” Dutch method). Lead leaves are placed on the bottom of terracotta pits with separate bottom […]
Colorings are an important ingredient in oil painting technology. a) Pigments: Colored, dry matter particles are called pigments, or organic (inorganic) carbon, or inorganic, often […]
In 1766 the British insect researcher and graphic artist Moses Harris (1730 – 1788) published a book called “The Natural System of Colors,” in which […]
The development of oil painting techniques is closely linked to the evolution of Western painting. Usually this development, presented in chronological order, goes from Renaissance, […]
Newton’s color wheel only shows the change in hue and saturation of each color, not the way the darkness of the colors changes. Eighteenth-century theorists […]
Among the film oils used in the oil paints mentioned above, linseed oil has the highest linolenic acid and iodine content (see table), so linseed […]
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