Pigments

Pigments

Of or pertaining to material that changes the color of reflected light by absorbing selected wavelengths.

Contributors in Pigments

Pigments

Chromium(III) oxide is the inorganic compound of the formula Cr2O3. It is one of principal oxides of chromium and is used as a pigment. In nature, it occurs as the rare mineral eskolaite. Because of ...

Pigment

Organic chemicals; Pigments

A pigment is a material that changes the colour of reflected or transmitted light as the result of wavelength-selective absorption. Many materials selectively absorb certain wavelengths of light. ...

Carbon black

Organic chemicals; Pigments

Carbon black (Colour Index International, PBK-7) is the name of a common black pigment, traditionally produced from charring organic materials such as wood or bone. It appears black because it ...

Cadmium pigments

Organic chemicals; Pigments

Cadmium pigments are a class of pigments that have cadmium as one of the chemical components. They are highly toxic and can produce cadmium poisoning. The principal pigments are a family of ...

Azo pigments

Organic chemicals; Pigments

Azo pigments are colourless particles (typically earths or clays), which have been coloured using an azo compound. Azo pigments are important in a variety of paints including artist's paints. They ...

Sanguine

Organic chemicals; Pigments

Sanguine or red chalk is chalk of a reddish-brown colour, so called because it resembles the colour of dried blood. It has been popular for centuries for drawing (where white chalk only works on ...

Malachite

Organic chemicals; Pigments

Malachite is a copper carbonate mineral, with the formula Cu2CO3(OH)2. The pigment is moderately lightfast, very sensitive to acids and varying in color. The natural form was being replaced by its ...