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Pigments through the Ages - History - Cobalt yellow Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Cobalt yellow Cobalt yellow / ko • bawlt yel • low / Jump to pigment Azurite Bone black Carbon black Carmine Cadmium yellow/red Cerulean Blue Cobalt blue Cobalt green Cobalt violet Cobalt yellow Chrome orange Chrome yellow Copper resinate Egyptian blue Emerald green Green earth Indian yellow Indigo Lead-tin yellow Lead white Lemon yellow Lime white Madder Malachite Naples yellow Orpiment Prussian blue Realgar Red lead Red ochre Smalt Titanium white Ultramarine Umber Van Dyke brown Verdigris Vermilion Viridian Yellow ochre Zinc white font size: a a a Overview History of use Making the pigment Technical details History of Cobalt yellow: Although little is recorded on the history of cobalt yellow (or Aureolin), all sources cited credit the discovery of this potassium and cobalt compound to N. W. Fischer in Breslau in 1848. Gettens and Stout cite J. G. Bearn (The Chemistry of Paints, Pigments and ... http://www.webexhibits.org/pigments/indiv/history/coyellow.html · 10.6k |
Pigments through the Ages - Manufacture Recipes - Cobalt yellow Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Cobalt yellow Cobalt yellow / ko • bawlt yel • low / Jump to pigment Azurite Bone black Carbon black Carmine Cadmium yellow/red Cerulean Blue Cobalt blue Cobalt green Cobalt violet Cobalt yellow Chrome orange Chrome yellow Copper resinate Egyptian blue Emerald green Green earth Indian yellow Indigo Lead-tin yellow Lead white Lemon yellow Lime white Madder Malachite Naples yellow Orpiment Prussian blue Realgar Red lead Red ochre Smalt Titanium white Ultramarine Umber Van Dyke brown Verdigris Vermilion Viridian Yellow ochre Zinc white font size: a a a Overview History of use Making the pigment Technical details How Cobalt yellow is made: Artificial variety of pigment Reaction of cobaltous salts with acetic acid and subsequent mixing with concentrated solution of potassium nitrite. In the lab Materials needed: Cobalt(II)-chloride (CoCl2 · 6H2O), potassium nitrite (KNO2), acetic acid Safety (MSDSs ... http://www.webexhibits.org/pigments/indiv/recipe/coyellow.html · 15.6k |
Pigments through the Ages - Overview - Cobalt yellow Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Cobalt yellow Cobalt yellow / ko • bawlt yel • low / Jump to pigment Azurite Bone black Carbon black Carmine Cadmium yellow/red Cerulean Blue Cobalt blue Cobalt green Cobalt violet Cobalt yellow Chrome orange Chrome yellow Copper resinate Egyptian blue Emerald green Green earth Indian yellow Indigo Lead-tin yellow Lead white Lemon yellow Lime white Madder Malachite Naples yellow Orpiment Prussian blue Realgar Red lead Red ochre Smalt Titanium white Ultramarine Umber Van Dyke brown Verdigris Vermilion Viridian Yellow ochre Zinc white font size: a a a Overview History of use Making the pigment Technical details Painted swatch of Cobalt yellow. Brief description of Cobalt yellow: An expensive yellow that was briefly in vogue. It is of very pure yellow color and is lightfast but has only fair hiding power. Introduced as a pigment in 1852, it replaced an earlier pigment called Gamboge, an Asian yellow ... http://www.webexhibits.org/pigments/indiv/overview/coyellow.html · 15.0k |
Pigments through the Ages - Technical Information - Cobalt yellow Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Cobalt yellow Cobalt yellow / ko • bawlt yel • low / Jump to pigment Azurite Bone black Carbon black Carmine Cadmium yellow/red Cerulean Blue Cobalt blue Cobalt green Cobalt violet Cobalt yellow Chrome orange Chrome yellow Copper resinate Egyptian blue Emerald green Green earth Indian yellow Indigo Lead-tin yellow Lead white Lemon yellow Lime white Madder Malachite Naples yellow Orpiment Prussian blue Realgar Red lead Red ochre Smalt Titanium white Ultramarine Umber Van Dyke brown Verdigris Vermilion Viridian Yellow ochre Zinc white font size: a a a Overview History of use Making the pigment Technical details About the chemical structure: Chemical name: potassium cobaltinitrite Formula: K3[Co(NO2)6] · H2O Refractive index: n/a Color: Color Index (C.I.) PY 40 How can you identify Cobalt yellow? Imaging: UVF: no IRFC: blue OM: at high magnification, tiny crystals and crystalline clusters ... http://www.webexhibits.org/pigments/indiv/technical/coyellow.html · 15.3k |
Pigments through the Ages - History - Cobalt blue Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Cobalt blue Cobalt blue / ko • bawlt bloo / Jump to pigment Azurite Bone black Carbon black Carmine Cadmium yellow/red Cerulean Blue Cobalt blue Cobalt green Cobalt violet Cobalt yellow Chrome orange Chrome yellow Copper resinate Egyptian blue Emerald green Green earth Indian yellow Indigo Lead-tin yellow Lead white Lemon yellow Lime white Madder Malachite Naples yellow Orpiment Prussian blue Realgar Red lead Red ochre Smalt Titanium white Ultramarine Umber Van Dyke brown Verdigris Vermilion Viridian Yellow ochre Zinc white font size: a a a Overview History of use Making the pigment Technical details History of Cobalt blue: Although smalt, a pigment made from cobalt blue glass has been known at least since the Middle Ages, the cobalt blue established in the nineteenth century was a greatly improved one. The isolation of the blue color of smalt was discovered in the first half of the eighteenth ... http://www.webexhibits.org/pigments/indiv/history/coblue.html · 11.5k |
Pigments through the Ages - Manufacture Recipes - Yellow ochre Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Yellow ochre Yellow ochre / oak • ur / Jump to pigment Azurite Bone black Carbon black Carmine Cadmium yellow/red Cerulean Blue Cobalt blue Cobalt green Cobalt violet Cobalt yellow Chrome orange Chrome yellow Copper resinate Egyptian blue Emerald green Green earth Indian yellow Indigo Lead-tin yellow Lead white Lemon yellow Lime white Madder Malachite Naples yellow Orpiment Prussian blue Realgar Red lead Red ochre Smalt Titanium white Ultramarine Umber Van Dyke brown Verdigris Vermilion Viridian Yellow ochre Zinc white font size: a a a Overview History of use Making the pigment Technical details How Yellow ochre is made: Origin: artificial Natural mineral: Red and yellow ochre pigments abound at the surface in Minas Gerais, Brazil. Pigments like these were readily made into paints by prehistoric peoples (such as the nearby Santana do Riacho, Lago a Santa) who would then paint with their fingers ... http://www.webexhibits.org/pigments/indiv/recipe/yellowochre.html · 15.6k |
Pigments through the Ages - History - Cobalt green Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Cobalt green Cobalt green / ko • bawlt green / Jump to pigment Azurite Bone black Carbon black Carmine Cadmium yellow/red Cerulean Blue Cobalt blue Cobalt green Cobalt violet Cobalt yellow Chrome orange Chrome yellow Copper resinate Egyptian blue Emerald green Green earth Indian yellow Indigo Lead-tin yellow Lead white Lemon yellow Lime white Madder Malachite Naples yellow Orpiment Prussian blue Realgar Red lead Red ochre Smalt Titanium white Ultramarine Umber Van Dyke brown Verdigris Vermilion Viridian Yellow ochre Zinc white font size: a a a Overview History of use Making the pigment Technical details History of Cobalt green: The preparation of zinc oxide at the end of the eighteenth century made the development of cobalt green, also known as zinc green, possible. The Swedish chemist, Rinmann is credited with developing a process for making a compound of cobalt and zinc in 1780 that he published ... http://www.webexhibits.org/pigments/indiv/history/cogreen.html · 10.4k |
Pigments through the Ages - History - Lead-tin yellow Home Background Purple Blue Green Yellow Orange Red White Brown Black About www.webexhibits.org/pigments » Lead-tin yellow Lead-tin yellow / led tin yel • low / Jump to pigment Azurite Bone black Carbon black Carmine Cadmium yellow/red Cerulean Blue Cobalt blue Cobalt green Cobalt violet Cobalt yellow Chrome orange Chrome yellow Copper resinate Egyptian blue Emerald green Green earth Indian yellow Indigo Lead white Lemon yellow Lime white Madder Malachite Minium Naples yellow Orpiment Lead-tin yellow Prussian blue Realgar Red ochre Smalt Titanium white Ultramarine Umber Van Dyke brown Verdigris Vermilion Viridian Yellow ochre Zinc white font size: a a a Overview History of use Making the pigment Technical details A painted swatch of Lead-tin yellow: History of Lead-tin yellow: Type I Used between 13th and 18th centuries, but most common from 15th to 17th centuries. Commonly used in foliage with green and earth pigments. Type II The early production of lead-tin yellow type II was connected with the glass and ceramic ... http://www.webexhibits.org/pigments/indiv/history/pbsnyellow.html · 13.4k |
Pigments through the Ages - History - Indian yellow Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Indian yellow Indian yellow / in • dee • uhn yel • low / Jump to pigment Azurite Bone black Carbon black Carmine Cadmium yellow/red Cerulean Blue Cobalt blue Cobalt green Cobalt violet Cobalt yellow Chrome orange Chrome yellow Copper resinate Egyptian blue Emerald green Green earth Indian yellow Indigo Lead-tin yellow Lead white Lemon yellow Lime white Madder Malachite Naples yellow Orpiment Prussian blue Realgar Red lead Red ochre Smalt Titanium white Ultramarine Umber Van Dyke brown Verdigris Vermilion Viridian Yellow ochre Zinc white font size: a a a Overview History of use Making the pigment Technical details History of Indian yellow: Since ancient times in the Far East, Indian yellow was introduced into India from Persia in the fifteenth century. The amateur painter, Roger Dewhurst, recorded the use of Indian yellow in 1786. He noted, in letters to friends, that it was an organic substance made ... http://www.webexhibits.org/pigments/indiv/history/indianyellow.html · 11.7k |
Pigments through the Ages - Overview - Cobalt violet Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Cobalt violet Cobalt violet / ko • bawlt vie • (uh) • luht / Jump to pigment Azurite Bone black Carbon black Carmine Cadmium yellow/red Cerulean Blue Cobalt blue Cobalt green Cobalt violet Cobalt yellow Chrome orange Chrome yellow Copper resinate Egyptian blue Emerald green Green earth Indian yellow Indigo Lead-tin yellow Lead white Lemon yellow Lime white Madder Malachite Naples yellow Orpiment Prussian blue Realgar Red lead Red ochre Smalt Titanium white Ultramarine Umber Van Dyke brown Verdigris Vermilion Viridian Yellow ochre Zinc white font size: a a a Overview History of use Making the pigment Technical details Painted swatch of Cobalt violet. Brief description of Cobalt violet: The first real violet pigment prepared by Salvètat in 1859. It is chemically stable, but its rather high cost and low tinting power prevented its wider use in paintings. Not unlike its older sister Cobalt Green, its ... http://www.webexhibits.org/pigments/indiv/overview/coviolet.html · 14.6k |
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