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of the German states unified into the Prussian-dominated German Empire (1871–1918)....
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NH4MnP2O7. Iron pigments: Prussian blue (PB27): a synthetic inert pigment made of iron...
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PB27 Prussian Blue Berlin blue or Paris blue has dark blue opaque crystals. It was...
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raw and burnt umber, yellow ochre, Prussian blue, black iron oxide. Carbon pigments:...