Search results
Results from the WOW.Com Content Network
Download as PDF; Printable version; ... This is a list of dyes with Colour Index International generic names and numbers and CAS ... BDH laboratory chemicals ...
A dyewood is any of a number of varieties of wood which provide dyes for textiles and other purposes. Among the more important are: Brazilwood or Brazil from Brazil, producing a red dye. Catechu or cutch from Acacia wood, producing a dark brown dye. [1] Old Fustic from India and Africa, producing a yellow dye. [2] Logwood from Belize, producing ...
Haematoxylin or hematoxylin (/ ˌ h iː m ə ˈ t ɒ k s ɪ l ɪ n /), also called natural black 1 or C.I. 75290, is a compound extracted from heartwood of the logwood tree (Haematoxylum campechianum) [1] [2] with a chemical formula of C
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 ...
Download as PDF; Printable version; In other projects ... List of dyes; Staining; Dyestuffs (Import Regulations) Act 1920 ... Innis Dye Works; INT (chemical) J. J ...
Colorants (both dyes and pigments) are listed using a dual classification which use the Colour Index Generic Name (the prime identifier) and Colour Index Constitution Numbers. These numbers are prefixed with C.I. or CI, for example, C.I. Acid Orange 7 or C.I. 15510 .
Synthetic dyes are produced from various chemicals. The great majority of dyes are obtained in this way because of their superior cost, optical properties (color), and resilience (fastness, mordancy). [2] Both dyes and pigments are colored, because they absorb only some wavelengths of visible light. Dyes are usually soluble in some solvent ...
Persian blue: made by grinding up the mineral Lapis lazuli. The most important mineral component of lapis lazuli is lazurite (25% to 40%), a feldspathoid silicate mineral with the formula (Na,Ca) 8 (AlSiO 4) 6 (S,SO 4,Cl) 1–2. Cobalt pigments. Cobalt blue (PB28): cobalt(II) aluminate. Cerulean blue (PB35): cobalt(II) stannate. Cerium uranium ...