How can you tell if a penny is copper or brass?
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4 Citations | The analysis of a simple brass gave an excellent result for the determination of copper and reasonable results for lead and zinc determinations. |
11 Citations | Both these salts and other greenish, synthetic copper-containing compounds may be products deriving from artificial corrosion of brass or other copper alloys. |
As a result, the coated brass with copper content of 60-70% is effective and the thickness of coated brass is needed to be more than 1.45μm for high removal rate. | |
31 Citations | This result differs from experimental data that show less copper-type and more brass-type textures in both phases for the composite materials. |
25 Citations | The equilibrium diagrams are in agreement with the reported behaviour of brass in copper-containing 15 M ammonia, and with the active behaviour of zinc. |
However, the dissolution mechanism of the Cu component of brass is the same as that observed for pure copper. |
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