About: Aureolin

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Aureolin (sometimes called cobalt yellow) is a pigment sparingly used in oil and watercolor painting. Its color index name is PY40 (40th entry on list of yellow pigments). It was first made in 1831 by Nikolaus Wolfgang Fischer in Breslau characterizing it as "Doppelsalze" or double-salts and its chemical composition is potassium cobaltinitrite. He characterized it again and wrote more extensively about it in 1842, naming it "Salpetrichtsaures Kobaltoxydkali". In 1851-1852, Edouard Saint-Evre synthesized cobalt yellow independently. He is credited with the introduction of cobalt yellow as an artists pigment. The investigation by Gates gives the exact modern procedures for the preparation of aureolin and also the methods for its identification in paintings.

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  • Aureolin (sometimes called cobalt yellow) is a pigment sparingly used in oil and watercolor painting. Its color index name is PY40 (40th entry on list of yellow pigments). It was first made in 1831 by Nikolaus Wolfgang Fischer in Breslau characterizing it as "Doppelsalze" or double-salts and its chemical composition is potassium cobaltinitrite. He characterized it again and wrote more extensively about it in 1842, naming it "Salpetrichtsaures Kobaltoxydkali". In 1851-1852, Edouard Saint-Evre synthesized cobalt yellow independently. He is credited with the introduction of cobalt yellow as an artists pigment. The investigation by Gates gives the exact modern procedures for the preparation of aureolin and also the methods for its identification in paintings. Aureolin is rated as permanent in some reports but there are other sources which rate it as unstable in oils but pronounce it stable in watercolors. Others find it unstable in watercolors, fading to greyish or brownish hues. It is a transparent, lightly staining, light valued, intense medium yellow pigment. It is a rather expensive pigment and sold by several manufacturers of oil paints such as Grumbacher, Michael Harding, and Holbein. However, the pigment was never popular as an oil color and is much more widely available as a watercolor from manufacturers such as: Winsor & Newton, Talens Rembrandt, Rowney Artists, Sennelier, Art Spectrum and Daniel Smith. (en)
  • La aureolina, también llamada falo de cobalto, es un pigmento utilizado en la pintura al óleo y acuarela. Es un nitrato complejo de cobalto y potasio hidratado, de fórmula química K3[Co(NO2)6] · H2O. Es tóxico.​ (es)
  • Kuning kepodang (bahasa Inggris: Genet, Aureolin) adalah suatu pewarna kuning yang terlihat seperti warna kepodang. Pewarna ini digunakan di lukisan air dan minyak. Pewarna ini pertama kali dibuat di tahun 1831 oleh seorang ahli kimia berkebangsaan Jerman bernama . (in)
  • Aureoline of Kobaltgeel is een geel anorganisch pigment, een gehydrateerd kaliumhexanitrokobaltaat(III) met de chemische formule K3[Co(NO2)6] · n H2O. (nl)
  • Aureolin (av latinets aureolus, gyllene), även kallat koboltgult, Fischers gult och Fischers salt, är ett lätt gyllengult, transparent, oorganiskt pigment, ofta med något omättad ton och dragning åt orange. I Colour Index är aureolin listat som Pigment Yellow 40 (77357). Kemiskt kan pigmentet beskrivas som en kaliumkoboltnitrit, eller kaliumhexanitrokoboltat(III), där natrium delvis tagit kaliumets plats: K3-xNax[Co(NO2)6].nH2O. Denna har endast låg löslighet i vatten, ett förhållande som också kan utnyttjas för att påvisa kalium; om man tillsätter natriumkoboltnitrit, eller natriumhexanitrokoboltat(III), till en kaliuminnehållande lösning fås nämligen en orangegul utfällning med kristaller av detta ämne. (sv)
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  • FDEE00
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  • FDEE00 (en)
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  • Vivid greenish yellow (en)
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  • Aureolin (en)
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  • La aureolina, también llamada falo de cobalto, es un pigmento utilizado en la pintura al óleo y acuarela. Es un nitrato complejo de cobalto y potasio hidratado, de fórmula química K3[Co(NO2)6] · H2O. Es tóxico.​ (es)
  • Kuning kepodang (bahasa Inggris: Genet, Aureolin) adalah suatu pewarna kuning yang terlihat seperti warna kepodang. Pewarna ini digunakan di lukisan air dan minyak. Pewarna ini pertama kali dibuat di tahun 1831 oleh seorang ahli kimia berkebangsaan Jerman bernama . (in)
  • Aureoline of Kobaltgeel is een geel anorganisch pigment, een gehydrateerd kaliumhexanitrokobaltaat(III) met de chemische formule K3[Co(NO2)6] · n H2O. (nl)
  • Aureolin (sometimes called cobalt yellow) is a pigment sparingly used in oil and watercolor painting. Its color index name is PY40 (40th entry on list of yellow pigments). It was first made in 1831 by Nikolaus Wolfgang Fischer in Breslau characterizing it as "Doppelsalze" or double-salts and its chemical composition is potassium cobaltinitrite. He characterized it again and wrote more extensively about it in 1842, naming it "Salpetrichtsaures Kobaltoxydkali". In 1851-1852, Edouard Saint-Evre synthesized cobalt yellow independently. He is credited with the introduction of cobalt yellow as an artists pigment. The investigation by Gates gives the exact modern procedures for the preparation of aureolin and also the methods for its identification in paintings. (en)
  • Aureolin (av latinets aureolus, gyllene), även kallat koboltgult, Fischers gult och Fischers salt, är ett lätt gyllengult, transparent, oorganiskt pigment, ofta med något omättad ton och dragning åt orange. I Colour Index är aureolin listat som Pigment Yellow 40 (77357). (sv)
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  • Aureolin (en)
  • Aureolina (es)
  • Kuning kepodang (in)
  • Aureoline (nl)
  • Aureolin (sv)
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  • Aureolin (en)
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