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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]
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: Beige red: RAL 3013: Tomato red: RAL 3014: Antique pink: RAL 3015: Light pink: RAL 3016: Coral red ...
Spanish red, an iron oxide red [18] also known as torch red, is the color that is called rojo (the Spanish word for "red") in the Guía de coloraciones (Guide to colorations) by Rosa Gallego and Juan Carlos Sanz, a color dictionary published in 2005 that is widely popular in the Hispanophone realm.
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]
Selenium, like manganese, can be used in small concentrations to decolorize glass, or in higher concentrations to impart a reddish color, caused by selenium nanoparticles dispersed in glass. It is a very important agent to make pink and red glass. When used together with cadmium sulfide, [9] it yields a brilliant red color known as "Selenium Ruby".
Raw umber (PBr7): a natural clay pigment consisting of iron oxide, manganese oxide and aluminum oxide: Fe 2 O 3 + MnO 2 + n H 2 O + SiO 2 + Al 2 O 3. When calcined (heated) it is referred to as burnt umber and has more intense colors. Raw sienna (PBr7): a naturally occurring yellow-brown pigment from limonite clay. Used in art since prehistoric ...
It is advised to check the references for photos of reaction results. [1] Reagent testers might show the colour of the desired substance while not showing a different colour for a more dangerous additive. [2]
Falu red or Falun red (/ ˈ f ɑː l uː / FAH-loo; Swedish: falu rödfärg, pronounced [ˈfɑ̂ːlɵ ˈrø̂ː(d)færj]) is a red iron oxide pigment obtained as a byproduct of the Falun copper mine. It is traditionally used as a pigment in flour-based paint [ sv ] applied to exterior wood surfaces in Sweden , Finland , and Norway .