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Puratronic Aluminum Rod Source: Alfa Aesar, Found Purity: 99.999% This aluminum rod was found during a lab cleanout. Aluminum this pure is incredibly soft - one can scratch it with his fingernail. Luckily aluminum's luster can be seen on this sample because a passivating oxide film protects the surface from further oxidation. |
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8-20 Mesh Aluminum Shot Source: Found Purity: 99.99% |