Sciencemadness Discussion Board

Removing Ga from contaminated Al

Fusionfire - 2-2-2012 at 14:33

Hi guys,

If you have a sample of aluminum contaminated with gallium, how will you separate the metals?

Thanks.

bob800 - 2-2-2012 at 17:04

Maybe nitric acid would work... it should passivate the aluminum, while slowly dissolving the gallium.

simba - 2-2-2012 at 17:07

Wash with dilute HCl to recover gallium. The aluminium will dissolve in the acid while gallium balls up on the bottom.

[Edited on 3-2-2012 by shivas]