30 articles
The masters' techniques and materials
- 25 What chemical reaction gradually transforms some greens into browns?Oxidation progressively transforms green pigments into dull browns. This silent chemical reaction threatens your artworks, but simple actions can help p... 9 min read
- 26 Why Do So Many Old Paintings Darken Over Time?The darkening of old paintings is the result of varnish oxidation, the chemical transformation of certain pigments such as lead white, and the aging of ... 8 min read
- 27 How Do Restaurateurs Detect Subsequent Repaints Under Ultraviolet Light?Ultraviolet light reveals what the eye cannot see: concealed repaints, hidden restorations, sophisticated forgeries. Discover the secrets of experts to ... 11 min read
- 28 What grisaille techniques did painters use for the backs of shutters?Painters of the Flemish Renaissance mastered a fascinating technique for the backs of shutters: grisaille. Using only shades of gray, they created the i... 11 min read
- 29 Why did the transition from tempera to oil revolutionize pictorial possibilities?In the 15th century, a change of medium shakes up pictorial art: oil painting gradually replaces tempera. This revolution offers artists time to perfect... 12 min read
- 30 How did painters prepare their canvases before the invention of standardized frames?Before the industrial era, preparing a canvas required several weeks of meticulous work. Painters mastered each step: choice of linen, animal glue sizin... 9 min read






