Wednesday, July 14, 2004

Chromium Processing

Chromium (Cr) is a brilliant, hard, refractory metal that melts at 1,857� C (3,375� F) and boils at 2,672� C (4,842� F). In the pure state, it is resistant to ordinary corrosion, resulting in its application as an electroplated protective coating for other metals. It dissolves in nonoxidizing mineral acids but not in aqua regia or nitric acid, which passivate


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