A pigment is a powder used to add color or change visual appearance. Pigments are completely or nearly insoluble and chemically unreactive in water or another medium; in contrast, dyes are colored substances which are soluble or go into solution at some stage in their use.

Biological pigments, also known simply as pigments or biochromes, [1] are substances produced by living organisms that have a color resulting from selective color absorption. Biological pigments include plant pigments and flower pigments.

A pigment is something that is added to something else to give it color. Natural pigments can come from just about anything. Pigments can be made from animals, plants, rocks and minerals or even the ground itself, for example clay plus salts. Pigments can also be created by people. An example of a pigment is ultramarine. It is a powder found in ...

En médecine, en physiologie, anthropologie physique, le terme pigment désigne les substances qui communiquent une coloration plus ou moins sombre à la peau, principalement les mélanines. En biologie, le terme recouvre plus généralement toutes les substances synthétisées par des organismes vivants qui leur donnent une couleur.

Pages in category "Pigments" The following 62 pages are in this category, out of 62 total. This list may not reflect recent changes.

Organic pigments. Indigo; Copper phthalocyanine; Aluminosilicate pigments. Ultramarine (PB29): a synthetic or naturally occurring sulfur containing silicate mineral - Na 8–10 Al 6 Si 6 O 24 S 2–4 (generalized formula); Persian blue: made by grinding up the mineral Lapis lazuli.The most important mineral component of lapis lazuli is lazurite (25% to 40%), a feldspathoid silicate …

Pigmente sind Farbmittel, also farbgebende Substanzen. Im Gegensatz zu Farbstoffen sind sie im Anwendungsmedium praktisch unlöslich und liegen dort als Feststoff-Teilchen vor. Das Anwendungsmedium umschließt die Pigmente im Regelfall an allen Seiten. Verwendet werden meist Bindemittel wie Öle, Wachse oder Kunststoffe. In der Biologie werden ...

Blue pigments are natural or synthetic materials, traditionally made from minerals, Being water-insoluble by definition, blue pigments used to make the blue colors in inks and paints. Some major blue pigments are indigo , Prussian blue , and copper phthalocyanine .

A photosynthetic pigment (accessory pigment; chloroplast pigment; antenna pigment) is a pigment that is present in chloroplasts or photosynthetic bacteria and captures the light energy necessary for photosynthesis.

Pigment (lat. pigmentum: boja) je tvar različita kemijska sastava koja je nositelj boje u živih organizama. Nalaze se u stanicama u obliku zrnaca, kapljica i kristala; često su vezani na bjelančevine. Važni su za život biljaka, životinja i čovjeka.