In the activity below, you can try chromatography to separate colors in a mixture of food coloring ... The chemicals that make up the color are called pigments. Some pigments attach to water better ...

A good binder must work with the pigment to work well off a brush ... medium can help to determine who the artist was. In gas chromatography (GC) the paint sample is placed in a solution.

Investigate a variety of black ink markers, and find out why they look black. Blank inks are usually mixtures of a variety of colored ink pigments in liquid solvents. Chromatography is a technique ...