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Basic dye 11050 azo 2869-83-2: Juglone: Oil red BS Black walnut Natural brown 7 75500 natural 481-39-0: Kaempferol: Rhamnolutein Natural yellow 13 75640 natural 520-18-3: Kermes: Kermesic acid: Natural red 3 75460 natural 18499-92-8: Lac: Shellac Laccaic acid Xanthokermesic acid Natural red 25 75450 natural 60687-93-6: Lanosol yellow 4G ...
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If the dye has the opposite charge, it is attracted to and retained by this coating, while the solvent soaks into the paper. Cellulose, the wood-derived material most paper is made of, is naturally charged, and so a compound that complexes with both the dye and the paper's surface aids retention at the surface. Such a compound is commonly used ...
Ponceau S, Acid Red 112, or C.I. 27195 (systematic name: 3-hydroxy-4-(2-sulfo-4-[4-sulfophenylazo]phenylazo)-2,7-naphthalenedisulfonic acid sodium salt [1]) is a sodium salt of a diazo dye of a light red color, that may be used to prepare a stain for rapid reversible detection of protein bands on nitrocellulose or polyvinylidene fluoride (PVDF) membranes (western blotting), as well as on ...
Dragon's blood, powdered pigment or apothecary's grade and roughly crushed incense, extracted from Calamus draco. 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.
Natural alum (aluminum sulfate) has been the most common metallic salt mordant for millennia (see Papyrus Graecus Holmiensis, mordant and dye recipes start at recipe #84), but tin (stannous chloride), copper (cupric sulfate), iron (ferrous sulfate, called copperas) and chrome (potassium dichromate) are also used. Iron mordants "sadden" colors ...
The Papyrus Graecus Holmiensis (also known as the Stockholm papyrus) is a collection of craft recipes compiled in Egypt c. 300 AD. It is written in Greek. The Stockholm papyrus has 154 recipes for dyeing, coloring gemstones, cleaning (purifying) pearls, and imitation gold and silver. [1] Certain of them may derive from the Pseudo-Democritus.
aal Aal or Indian mulberry (Morinda tinctoria) is the source of the morindone dye sold under the trade name "Suranji". It is extensively cultivated in India for the dyeing of cotton, silk and wool in shades of red, chocolate or purple, dependent on the mordant used.