Artist, painting title, date | Areas with powdered glass in the paint | Glass type | Na2O | MgO | Al2O3 | SiO2 | P2O5 | SO3 | K2O | CaO | TiO2 | MnO | FeO |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Albert Cornelis, The Magdalen in a Landscape (NG2585), c.1520 | Pink robe of the angel, with lead white, fluorite and red lake: two types of glass | Wood ash–lime (high lime–low potash) | 2.8 | 4.0 | 2.2 | 56.0 | 3.6 | 0.7 | 4.8 | 24.2 | 0.2 | 0.6 | 0.5 |
Wood ash | 2.2 | 5.7 | 2.0 | 58.6 | 4.0 | 0.8 | 7.8 | 17.0 | 0.2 | 0.7 | 0.5 | ||
Attributed to Jan Mostaert, The Head of Saint John the Baptist, with Mourning Angels (NG1080), probably 1520s | Red paint beneath the oblong area painted with figures, with vermilion | Wood ash–lime (high lime–low potash) | 3.6 | 3.7 | 1.9 | 54.7 | 4.4 | 6.1 | 3.5 | 20.0 | 0.4 | 1.0 | 0.6 |
Lucas Van Leyden, A Man aged 38 (NG3604), about 1521 | Purple robe, in underpaint, with red lake, azurite, lead white, red earth, and in the final glazes with red lake: three types of glass | Soda ash | 11.6 | 2.0 | 1.2 | 66.6 | 2.0 | 1.8 | 2.6 | 9.1 | 0.5 | 0.8 | 0.3 |
Wood ash | 2.1 | 4.9 | 1.9 | 57.7 | 3.8 | 1.4 | 9.6 | 16.4 | 0.2 | 0.7 | 0.6 | ||
Wood ash–lime (high lime–low potash) | 1.5 | 4.2 | 1.8 | 56.9 | 3.9 | 1.9 | 5.8 | 21.6 | 0.2 | 1.0 | 0.5 | ||
Workshop of the Master of the Holy Blood, A Young Man Praying (NG1063), probably 1525–30 | Black coat, with black and a little lead white | Wood ash | 0.5 | 3.9 | 2.0 | 60.6 | 1.9 | 3.3 | 7.2 | 18.9 | 0.2 | 0.7 | 0.5 |
Catharina van Hemessen, Portrait of a Woman (NG4732), 1551 | Green background, in underpaint (with lead white, black, lead–tin yellow); two types of glass | Wood ash–lime (high lime–low potash) | 2.8 | 2.9 | 3.3 | 59.4 | 3.0 | 0.8 | 3.9 | 21.8 | 0.4 | 0.5 | 0.6 |
Wood ash | 2.1 | 4.3 | 2.1 | 54.5 | 4.2 | 5.1 | 10.8 | 14.2 | 0.2 | 0.7 | 0.9 |