aluminium anodization
2007-03-17 1:56 am
aluminium anodization會唔會increase the percentage of oxygen in a piece of aluminium?
回答 (1)
2007-03-17 2:29 am
✔ 最佳答案
When a piece of aluminium is anodized, a layer of aluminium oxide is formed on its surface. Before anodization, the piece is Al.
After anodization, the piece is Al coated with Al2O3.
Obviously, the mass percentage of oxygen (O) increases.
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