lightfastness

The first project of the newly formed Inter-Society Color Council (ISCC) Project Committee on Artists' Materials was “a study of the pigments used in the manufacture of artists' paints as well as the labeling practices used by these manufacturers.” The committee membership and the American Society of Testing and Materials (ASTM) D01.57 subcommittee were virtually identical. It was composed of artists, conservators, analytical chemists and color scientists, and artists' paint manufacturers and their chemists...