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Fabrics dyed in the current era from different species of sea snail. The colours in this photograph may not represent them precisely. Tyrian purple (Ancient Greek: πορφύρα porphúra; Latin: purpura), also known as royal purple, imperial purple, or imperial dye, is a reddish-purple natural dye.
65589-70-0. 10597-46-3 (hydrochloride) Alcian Blue 8GX. Alcian Blue. Ingrain Blue 1. 74240. phthalocyanine. 75881-23-1. Alcian yellow GXS.
Glass coloring and color marking. Beer bottles of different colors. 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 ...
6,6'-Dibromoindigo is an organic compound with the formula (BrC 6 H 3 C (O)CNH) 2. A deep purple solid, the compound is also known as Tyrian purple, a dye of historic significance. Presently, it is only a curiosity, although the related derivative indigo is of industrial significance. The molecule consists of a pair of monobrominated indolin-3 ...
In all, teams averaged 188.3 net yards passing per game, the fewest in any week since Week 15 in 2007 when the number was 187.1 and down 28.6% from the Week 1 record average of 263.8 set five ...
A Google web search for: "alex trebek shows "Did you mean: who is alex trebek" in reference to Jeopardy!'s rule of answers being in the form of a question. [75]"assistant regional manager" shows "Did you mean: assistant to the regional manager", referencing The Office.
Indigo, space-filling. Indigo dye is a dark blue crystalline powder that sublimes at 390–392 °C (734–738 °F). It is insoluble in water, alcohol, or ether, but soluble in DMSO, chloroform, nitrobenzene, and concentrated sulfuric acid. The chemical formula of indigo is C 16 H 10 N 2 O 2.
Dragon's blood. Dragon's blood is a bright red resin which is obtained from different species of a number of distinct plant genera: Calamus spp. (previously Daemonorops) also including Calamus rotang, Croton, Dracaena and Pterocarpus. The red resin has been in continuous use since ancient times as varnish, medicine, incense, pigment, and dye.