Copper "Trees" on Aluminum
This is an example of copper growing on a small particle of
aluminum that was added to a dilute solution of copper
chloride.
Darkfield Reflected Light Illumination
Definition/Function:
Copper trees will grow rapidly on a small grain of aluminum in a slightly acidic
solution
containing copper. Copper will plate the aluminum if only very low levels of copper are
present.
Significance in the Environment:
Characteristic Features:
The reddish color of the copper stands out in sharp contrast to the white of the
aluminum. Even in low concentrations the copper plating out
on the aluminum will be easily visible.
Associated Particles:
References:
