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This red is a tone of Indian red, made like Indian red with pigment made from iron oxide. The first recorded use of English red as a color name in English was in the 1700s (exact year uncertain). [10] In the Encyclopédie of Denis Diderot in 1765, alternate names for Indian red included "what one also calls, however improperly, English Red." [11]
Iron(III) oxide or ferric oxide is the inorganic compound with the formula Fe 2 O 3. It occurs in nature as the mineral hematite , which serves as the primary source of iron for the steel industry. It is also known as red iron oxide , especially when used in pigments .
Carmine red: RAL 3003: Ruby red: The text of Belgian license plates since November 2010 RAL 3004: Purple red: Old Jawa Moto motorcycles; Deutsche Bundesbahn diesel locomotives and dining cars until 1974; Trans Europ Express trains (with RAL 1001 Beige) RAL 3005: Wine red: RAL 3007: Black red: RAL 3009: Oxide red: RAL 3011: Brown red: RAL 3012 ...
Ceramic colorants are added to a glaze or a clay to create color. Carbonates and oxides of certain metals, characterize most colorants including the commonly used cobalt carbonate, cobalt oxide, chrome oxide, red iron oxide, and copper carbonate. These colorants can create a multitude of colors depending on other materials they interact with ...
Lead(II,IV) oxide, also called red lead or minium, is the inorganic compound with the formula Pb 3 O 4. A bright red or orange solid, it is used as pigment, in the manufacture of batteries, and rustproof primer paints. It is an example of a mixed valence compound, being composed of both Pb(II) and Pb(IV) in the ratio of two to one. [2]
Glass coloring and color marking may be obtained in several ways. by the addition of coloring ions , [ 1 ] [ 2 ] by precipitation of nanometer-sized colloids (so-called striking glasses [ 1 ] such as "gold ruby" [ 3 ] or red "selenium ruby"), [ 2 ] Ancient Roman enamelled glass , 1st century, Treasure of Begram
Mill scale is a complex oxide that contains around 70% iron with traces of nonferrous metals and alkaline compounds. Reduced iron powder may be obtained by conversion of mill scale into a single highest oxide i.e. hematite (Fe 2 O 3) followed by reduction with hydrogen.
The color of red and other pigments is determined by the way it absorbs certain parts of the spectrum of visible light and reflects the others. The brilliant opaque red of vermillion, for example, results because vermillion reflects the major part of red light, but absorbs the blue, green and yellow parts of white light. [1]