Chemistry Letters, Vol.32, No.7, 640-641, 2003
A potent solvent for dissolution of metallic copper
Metallic copper was found to dissolve in a mixture of ammonia and carbon tetrachloride under extremely mild conditions. The solubilized copper was determined to be in the form of an ammine complex of copper(II) chloride, [Cu(NH3)(m)]Cl(2)(.)nH(2)O.