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Resultados de la Wikipedia en inglés.
- Lightfastness is a property of a colourant such as dye or pigment that describes its resistance to fading when exposed to light. Dyes and pigments are…15 kB (1500 palabras) - 19:09 16 feb 2024
- student-grade to professional-grade. Concentration of pigments in the core, lightfastness of the pigments, durability of the colored pencil, and softness of the…15 kB (1699 palabras) - 12:21 26 abr 2024
- uses gum arabic and/or dextrin as a binder, and use inexpensive and less lightfast pigments more coarsely ground, with added brighteners to make the paints…2 kB (218 palabras) - 13:13 29 ago 2023
- Verdigris pigment is lightfast in oil paint, as numerous examples of 15th-century paintings show. However, its lightfastness and air resistance are…19 kB (2046 palabras) - 21:22 9 abr 2024
- increased the spectrum of available colors, and many have a high level of lightfastness. When oil paint was first introduced in the arts, basically the same…16 kB (2140 palabras) - 14:12 13 may 2024
- name. Many lake pigments are fugitive because the dyes involved are not lightfast. Red lakes were particularly important in Renaissance and Baroque paintings;…6 kB (738 palabras) - 01:56 11 ene 2024
- Monet, and Post-Impressionists such as Vincent van Gogh. It is stable and lightfast and also compatible with all other pigments. Maxfield Parrish, partially…10 kB (1007 palabras) - 20:04 17 may 2024
- century but was not deemed sufficiently lightfast for artistic use. Cobalt violet is the only truly lightfast purple pigment with relatively strong color…40 kB (4697 palabras) - 14:54 7 may 2024
- rhodamine B. They are mainly used to dye paper and inks, but they lack the lightfastness for fabric dyeing. Aside from their major applications, they are often…7 kB (732 palabras) - 14:16 9 may 2024
- grades and 2000-series aluminium-copper alloys. Another concern is the "lightfastness" of organic dyestuffs—some colours (reds and blues) are particularly…34 kB (4392 palabras) - 03:48 28 abr 2024
- but it has now been adopted by the printing industry as measure of lightfastness of ink colourants. The American Association of Textile Chemists and…3 kB (386 palabras) - 01:22 12 mar 2024
- green paints from antiquity until c. 1800. The pigment is moderately lightfast, sensitive to acids, and varying in color. This natural form of green…25 kB (2441 palabras) - 14:17 21 may 2024
- for colour fastness before using bleach or other cleaning products. Lightfastness, wash fastness, and rub fastness are the main forms of colour fastness…8 kB (862 palabras) - 03:15 10 may 2024
- manufactures ordinary stick pastels. Derwent Signature was a range of lightfast pencils, available in 60 colours (Signature Watercolour pencils came in…6 kB (531 palabras) - 16:19 24 mar 2024
- has no known health hazards and is considered non-toxic, with an ASTM lightfastness rating of I. It is more opaque and less toxic than other black pigments…2 kB (198 palabras) - 01:06 6 ene 2024
- original vermilion) with greatly improved lightfastness. Cadmium pigments are known for excellent lightfastness, although the lighter shades can fade in…16 kB (1572 palabras) - 23:38 24 feb 2024
- same period, industrial chemistry radically expanded the color range of lightfast synthetic pigments, allowing for substantially improved saturation in…28 kB (3864 palabras) - 00:36 3 may 2024
- properties, mainly in the yellow to red range, as well as good lightfastness. The lightfastness depends not only on the properties of the organic azo compound…11 kB (1215 palabras) - 03:52 25 abr 2024
- pigments are fugitive, artists have long sought a more permanent and lightfast replacement for rose madder and alizarin. Alternative pigments include:…12 kB (1335 palabras) - 18:24 24 ene 2024
- a blue dye (with alum as a mordant), the initial results were not as lightfast as those produced using indigo. In reaction to this perceived inferiority…31 kB (2450 palabras) - 16:58 30 abr 2024
- blue pigment is significant since it was the first stable and relatively lightfast blue pigment to be widely used since the loss of knowledge regarding the…45 kB (4832 palabras) - 02:40 12 may 2024