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Cochineal dyes are one of three groups of red insect dyes, all of which are anthraquinone derivatives. The major color components in their respective chemical structures are carminic acid (in cochineal dyes), kermesic acid (in kermes dye ) and laccaic acids (in lac dye).
The colour-fast (non-fading) dye was an item of luxury trade, prized by Romans, who used it to colour ceremonial robes. Used as a dye, the colour shifts from blue (peak absorption at 590 nm, which is yellow-orange) to reddish-purple (peak absorption at 520 nm, which is green).
Players have the option to customize their character's appearance when creating a new character, and in-game through items and NPCs. Along with that, players can obtain vanity items, which are special armor pieces and accessories with only a cosmetic effect, and dyes to change the color of equipped armor or accessories.
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Indigo dye is a greenish dark blue color, obtained from either the leaves of the tropical Indigo plant ( Indigofera ), or from woad ( Isatis tinctoria ), or the Chinese indigo ( Persicaria tinctoria ). Many societies make use of the Indigofera plant for producing different shades of blue.
Dye. Drying colored cloth. Chemical structure of indigo dye, the blue coloration of blue jeans. Although once extracted from plants, indigo dye is now almost exclusively synthesized industrially. [1] A dye is a colored substance that chemically bonds to the substrate to which it is being applied. This distinguishes dyes from pigments which do ...
Shades of purple. There are numerous variations of the color purple, a sampling of which is shown below. In common English usage, purple is a range of hues of color occurring between red and blue. [1] However, the meaning of the term purple is not well defined. There is confusion about the meaning of the terms purple and violet even among ...
Blood orange. The blood orange is a variety of orange with crimson, near blood -colored flesh. It is one of the sweet orange varieties ( Citrus × sinensis ). It is also known as the raspberry orange . The dark flesh color is due to the presence of anthocyanins, a family of polyphenol pigments common to many flowers and fruit, but uncommon in ...
Dye-ligand affinity chromatography. Dye-ligand affinity chromatography is one of the Affinity chromatography techniques used for protein purification of a complex mixture. Like general chromatography, but using dyes to apply on a support matrix of a column as the stationary phase that will allow a range of proteins with similar active sites to ...
Mauveine basic dye 50245 safranin 6373-22-4: Meldola blue: Phenylene blue Basic blue 6 51175 oxazine 966-62-1: Metacresol purple: m-cresolsulfonphthalein triarylmethane 2303-01-7: Metanil yellow: Tropaeolin G Acid yellow 36 13065 azo 587-98-4: Methyl blue: Cotton blue Helvetia blue Acid blue 93 42780 triarylmethane 28983-56-4: Methyl green ...