Web media of Art and Culture.
24 Oct 2024 1 minute read 0 comments Emim
In the mid-19th century, during the dawn of science, European scientists were striving to artificially synthesize dyes and pharmaceuticals from substances like coal tar. Among these efforts, the first product to achieve great commercial success was...
22 Oct 2024 1 minute read 0 comments Emim
A new research result has been published. It says that a compound called plumbonacrite was used in the sketch. It has been said that plumbonacrite has also been found in Rembrandt's paintings, suggesting that a very similar paint recipe has been pas...
18 Oct 2024 1 minute read 0 comments Emim
This is a red anthocyanin pigment extracted from the leaves of Brassica oleracea var. capitata f. rubra (commonly known as red cabbage), using slightly acidic water and undergoing advanced purification. It has a maximum absorption wavelength around...
5 Oct 2024 1 minute read 0 comments Emim
Before going to work, I planted Japanese indigo, which will be used as a material for creating indigo dye. The leaves are harvested and soaked in water without being dried. When mixed with quicklime, a blue powder settles at the bottom. In Japan,...
1 Oct 2024 1 minute read 0 comments Emim
Konjō (Prussian blue) is a pigment obtained as a deep blue precipitate by adding an excess amount of iron ions to an iron cyanide complex. To distinguish it from the traditional Japanese natural pigment, Iwa-konjo (azurite), it is sometimes referred...
23 Sep 2024 1 minute read 0 comments Emim
**Those who love using watercolor paints may know that gum arabic is used as the binder. But do you know where it comes from? Many people assume it comes from the Arabian Peninsula, but the main production areas are North African countries, particul...
23 Sep 2024 1 minute read 0 comments Emim
**What is "Tempera"?** Intricate details, vivid colors, and a soft sheen... When looking at old Western religious paintings made with tempera, one feels a different kind of appeal compared to oil paints. There are likely many people who have thought,...
