Chromiumioncolor

Chromium gives glass an emerald green colour and is widely used as a catalyst. The refractory industry has found chromite useful for forming bricks and shapes, ...

2018年4月17日 — [Cr(H2O)6] is a violet solution. Cr(OH)3 is a grey/green precipitate. [Cr(OH)6] is dark green solution. As Ivan said, it depends on the ligands ...

... color, because many chromium compounds are intensely colored. Industrial ... In the United States, trivalent chromium (Cr(III)) ion is considered an ...

Some colors are violet, green, brown and even grey. Oxidation state +4. From aqueous solution, one can easily prepare a chromium (IV) compound. If one adds a ...

The hexaaquachromium(III) ion is a difficult to describe violet-blue-grey colour. However, when it is produced during a reaction in a test tube, it is often ...

由 A Lennartson 著作 · 2014 · 被引用 48 次 — If chromium(III) oxide (also known as chrome green) is heated with potassium carbonate and potassium nitrate, the mixture slowly turns yellow.

由 A Lennartson 著作 · 2014 · 被引用 48 次 — If chromium(iii) oxide (also known as chrome green) is heated with potassium carbonate and potassium nitrate, the mixture slowly turns yellow. This colour ...