The Pigment Compendium A dictionary of historical pigments ppt

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The Pigment Compendium A dictionary of historical pigments ppt

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[...]... used as a dye in the preparation of lake pigments It is catalogued by the Colour Index as CI 75330, CI Mordant Red 11 and CI Pigment Red 83 The term ‘alizarin’ appears to have been used historically for a wide range of colours not within the normal range of alizarinmetal complexes (such as ‘Alizarin blue’ and ‘Alizarin green’); these are probably instances of attempts to name pigments on the basis of a. .. 207–208; Seward (1889) ANTWERP BROWN Brown Synonym, variant or common name Synonym for an asphalt pigment (q.v.) Williams (1787; cf Harley, 1982) states this is an adulterated form of asphalt It was manufactured by heating asphalt over a fire until the volatiles are driven off and then to each half ounce of the asphalt, the same amount of sugar of lead (lead acetate) was added and the two ground together... from Coprosma lucida Forst, C acerosa Cunn and C linarifolia Hook Anthragallol-3-methyl ether is extracted from the roots of Rubia tinctorum L Anthragallol-1,2-dimethyl ether is extracted from the roots of Oldenlandia umbellata L., the bark of Coprosma lucida Forst., C acerosa A Cunn., the root-bark of C rhamnoides A Cunn and the roots of Morinda citrifolia L and all other Rubia species Anthragallol-1,3-dimethyl... copal and amber and suggest that in many cases it was actually copal that was used as a varnish and that this material would not leave a solid residue Burnt, ground kauri copal (‘gum’) is used as a pigment for tattoos and other art by the Maori in New Zealand The name ‘amber’ is derived from the Arabic anbar Tingry (1804) lists the following terms for amber: karabé, yellow amber and electrum Karabé... 150°C Thermal treatment of these compounds, as in calcined lakes, will clearly also have the potential to change the hydration states of any lake substrate encountered Also included here are the secondary oxides (aluminates) calcium aluminate (CaAl2O4), cobalt aluminate (CoAl2O4), lead aluminate (PbAl2O4) and hercynite (iron aluminate, Fe2+Al2O4) Calcium aluminate (calcium aluminium oxide) may be a component... 206 ANTHRAQUINONES GROUP* Variable Group term A large group of natural and synthetic dyestuffs based on the anthraquinone structure have found use in the formation of lake and other pigments The anthraquinone secondary metabolite alizarin is derived from the madder plant It was exploited as a colorant by man long before the structure was elucidated by Graebe and Liebermann in the 1860s The anthraquinonoid... common name Heaton (1928) lists Alizarine red (sic), stating that it was a ‘derivative of alizarine’ Alizarin red S, a sulfonated alizarin, is a red anionic anthraquinone dye Gurr (1971) reports that it was used for the preparation of lake pigments Alizarin Gurr (1971) 234–235; Heaton (1928) 379 ALIZARIN SCARLET Red Synonym, variant or common name A form of alizarin lake See: alizarin ALIZARIN VIOLET... ridges Their original habitat is in Africa, southern Arabia and Madagascar but they have become naturalised in various other locations, notably the West Indies, central and southern USA and Asia Although widely known for medicinal properties, several species yield a coloured juice on cutting the leaves which, when allowed to evaporate and the residue ground to a powder, can be used as a pigment for the. .. production of a glaze or tinted varnish It has a yellow-brown colour The main species which produce the better grades are Aloe barbadensis Miller (also known as A vera Linné, Curaçao aloe or Barbados aloe) and A ferox and A perryi from South Africa (Mills and White, 1994) The latex contains varying amounts of aloin (barbaloin), aloe-emodin, chrysophanol, volatile oil and resins The principal dye components of. .. collection of a red oxide known locally as almaigre (almagre) from a cave above the village of Questa An examination by the author of the red-oxide mine reveals that the site was mined in prehistoric times’ (Carillo, 1998) See: bole ALKANET Red-Blue Generic compound Common name for a dye derived from the roots of Alkanna lehmannii Tineo (formerly known as Alkanna tinctoria Tausch., A tuberculata and, in . Liliaceae; they have triangular, spear-like leaves and thorny ridges. Their origi- nal habitat is in Africa, southern Arabia and Madagascar but they have become naturalised in various other locations,. Taos Pueblo details the collection of a red oxide known locally as almaigre (almagre) from a cave above the village of Questa. An examination by the author of the red-oxide mine reveals that the. from the roots of Alkanna lehmannii Tineo (formerly known as Alkanna tinctoria Tausch., A. tuberculata and, in older literature, Anchusa tinctoria Lamm.), a member of the Boriginaceae family. The

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