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Pigments through the Ages - Overview - Verdigris Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Verdigris Verdigris / vird • uh • gree / 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 Verdigris. Brief description of Verdigris: A moderately-transparent bluish green with low stability. It's a copper acetate, used often, from antiquity through the Middle Ages, Renaissance and Baroque. Today is rarely sold as an artists pigment due to its toxic nature.Verdigris was the ... http://www.webexhibits.org/pigments/indiv/overview/verdigris.html · 15.1k |
Pigments through the Ages - Technical Information - 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 About the chemical structure: Chemical name: Cobalt(II)-oxide-zinc(II)-oxide Formula: CoO · ZnO Refractive index: n/a Color: Color Index (C.I.) PG 19 How can you identify Cobalt green? Imaging: OM: Cobalt green appears as fine, rounded and transparent particles under the microscope. ... http://www.webexhibits.org/pigments/indiv/technical/cogreen.html · 15.2k |
Pigments through the Ages - Technical Information - Verdigris Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Verdigris Verdigris / vird • uh • gree / 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: Basic Copper acetate Formula: Cu(OH)2 · (CH3COO)2 · 5 H2O Refractive index: alpha = 1.53; gamma = 1.56 Color: Color Index (C.I.) PG 20 How can you identify Verdigris? Imaging: UVF: no IRFC: blue OM: Intense green crystals of different shapes and ... http://www.webexhibits.org/pigments/indiv/technical/verdigris.html · 16.6k |
Pigments through the Ages - Manufacture Recipes - Verdigris Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Verdigris Verdigris / vird • uh • gree / 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 Verdigris is made: Artificial variety of pigment Especially prepared in wine-growing areas, because acetic acid is a by-product of winemaking. Copper plates are covered with winemarc and allowed to stand, the resulting acetic acid reacts with the copper, forming a blue to blue-green crust which is ... http://www.webexhibits.org/pigments/indiv/recipe/verdigris.html · 17.1k |
Pigments through the Ages - Overview - 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 Painted swatch of Cobalt green. Brief description of Cobalt green: It's a green cobalt-oxide-zinc-oxide, semi-transparent of limited hiding power discovered by Rinmann in 1780. Due to its permanence it can be used in all painting techniques. The poor tinting strength and high cost of cobalt green ... http://www.webexhibits.org/pigments/indiv/overview/cogreen.html · 16.0k |
Pigments through the Ages - Effects Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Effects Effects Jump to pigment Azurite Bone black Cadmium yellow/red Carbon black Carmine Cerulean Blue Chrome orange Chrome yellow Cobalt blue Cobalt green Cobalt violet Cobalt yellow Copper resinate Egyptian blue Emerald green Green earth Indian yellow Indigo Lead white Lead-tin yellow 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 Colors Purple Blue Green Yellow Orange Red White Brown Black W. Kandinsky, Improvisation 7, 1910 Green has a soothing and harmonizing effect due to its closeness to nature and therefore was the preffered color for living rooms and drawing rooms. The expressionistic painter Vassily Kandinsky (1866-1944), however, ignored green in his works. He deemed green a "limiting element" and the ... http://www.webexhibits.org/pigments/intro/greens4.html · 13.5k |
Pigments through the Ages - Manufacture Recipes - 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 How Cobalt green is made: Artificial variety of pigment Calcining of cobalt(II)-chloride and zinc(II)-oxide at medium temperatures. In the lab Materials needed: CoCl2 · 6H2O (cobalt(II)-chloride), zinc(II) oxide Safety (MSDSs): cobalt(II) chloride (at Fisher Scientific) Method: 1 g of cobalt( ... http://www.webexhibits.org/pigments/indiv/recipe/cogreen.html · 15.1k |
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 - Technical Information - Emerald green Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Emerald green Emerald green / em • ruhld 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 A painted swatch of Emerald green: n/a About the chemical structure: Chemical name: Copper(II)-acetoarsenite Formula: Cu(CH3COO)2 · 3 Cu(AsO2)2 Crystal system: monoclinic Refractive index: alpha = 1.71-2, beta = 1.77-8 Color: Color Index (C.I.) this is not considered a pigment anymore ... http://www.webexhibits.org/pigments/indiv/technical/emerald.html · 16.1k |
Pigments through the Ages - Overview - Green earth Home Introduction Choose a pigment Browse colors Time periods Make paintings Look closer About www.webexhibits.org/pigments » Green earth Green earth / green erth / 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 Green earth. Brief description of Green earth: Natural green pigment varying in compostion and in shades of color. It has low hiding power but is unaffected by light or chemicals. Green earth is a mixture of hydrosilicate of Fe, Mg, Al, K, (mainly minerals as celadonite and glauconite) but ... http://www.webexhibits.org/pigments/indiv/overview/greenearth.html · 14.8k |
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