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 ...

The black ink adds all the highlights and detail. The ink itself consists of two different properties, the pigment and the "vehicle." The vehicle is heated until it is runny and then the pigment ...

When you buy through links on our articles, Future and its syndication partners may earn a commission.