[cs_content][cs_section parallax=”false” separator_top_type=”none” separator_top_height=”50px” separator_top_angle_point=”50″ separator_bottom_type=”none” separator_bottom_height=”50px” separator_bottom_angle_point=”50″ style=”margin: 0px;padding: 45px 0px;”][cs_row inner_container=”true” marginless_columns=”false” style=”margin: 0px auto;padding: 0px;”][cs_column fade=”false” fade_animation=”in” fade_animation_offset=”45px” fade_duration=”750″ type=”1/1″ style=”padding: 0px;”][cs_text]The Chemistry of Art > 1. Pigments in Painting > The Chemical Composition of an Identified Range of Pigments >[/cs_text][cs_text style=”color: #800000;font-family: “Oxygen”,sans-serif;”]Identify data, gather and process information from secondary sources to identify and analyse the chemical composition of an identified range of pigments[/cs_text][cs_text]
- Most pigments contain a metal as to which a color or color range is often associated
- Iron = red – yellow
- Chromium = red – yellow
- Copper = blue – green
- Cobalt = yellow – violet (depending on co-metals)
- Examples:
| Pigment | Chemical Formula | Metal | Color |
| Malachite | CuCO3·Cu(OH)2 | Copper (Cu) | Bright green |
| Cinnabar | HgS | Mercury (Hg) | Red |
| Orpiment | As2S3 | Arsenic (As) | Lemon yellow |
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