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 […]
Traditional production methods of lead white flake
I roughly translated this method as “vinegar & compost” (“stack” Dutch method). Lead leaves are placed on the bottom of terracotta pits with separate bottom […]
The coloring compounds
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 […]
Runge’s color orb and color patterns were invented in history
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
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, […]
Mayer’s triangle of colors
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 […]
The Binder and solvents of oil paints (part 2)
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 […]