Purpurin (colorant)
Esquema
Jerarquía
<materials by function> > colorant (material) > dye > <dye by composition or origin> > natural dye > vegetable dye
Descripción
One of the natural colorants extracted from madder roots and other Rubiaceae family plants. It has been manufactured synthetically by the oxidation of alizarin since the 1920s. Purpurin forms a brilliant red color when mordanted with aluminum salts. It is not considered a permanent artists pigment.
URI original del concepto
Otros términos
- purpurine [nl]
- 紅紫素 [zh]
- purpurina [es]
- hóng zǐ sù [zh]
- hong zi su [zh]
- hung tzu su [zh]
- purpurine [en]