tlenek miedzi

Whatever the cause, the color from the copper oxide heightens the delicacy of the decoration.

It turns into red copper(I) oxide when reduced by a sugar.

Up until late February, all known high-temperature superconducting materials were some variation of a copper oxide.

It has now become clear that sheets of copper oxides are a key to the new superconductors.

The new superconductors all contain copper oxides, which contribute oxygen to the process.

From around 1520 turquoise (copper oxide) was added to the palette.

Dangerous for fish, because of copper oxide dissolving in water.

The addition of copper oxide at 2-3% produces a turquoise colour.

This is done by blowing natural gas through the molten copper oxide.

The bulk of the copper oxide is turned back into the form of sulfide.