pigments
A pigment is a colored substance that is completely or nearly insoluble in water. In contrast, dyes are typically soluble, at least at some stage in their use. Generally dyes are often organic compounds whereas pigments are often inorganic compounds. Pigments of prehistoric and historic value include ochre, charcoal, and lapis lazuli.
You do not have permission to view the full content of this post. Log in or register now.
You do not have permission to view the full content of this post. Log in or register now.
-
B
Trivia Flamingo Not Pink
DID YOU KNOW? 💭 Flamingoes are not actually pink Have you ever heard the expression "you are what you eat"? Well, flamingos are just that. They get their reddish-pink colour from special colouring chemicals called pigments found in the algae and invertebrates that they eat. The same effect is...