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I may not be remembering the details of this correctly; so somebody please correct me if I'm wrong.
I did this experiment in elementary school:
1. Oxidize steel wool using a vinegar solution (inferring vinegar from unsuccessful Google search for this experiment, but it sounds right.)
2. Heat the resulting red oxide powder
The resulting black colored powder should be responsive to magnetic fields.
This experiment is detailed in a 1983 - 1985 World Book Encyclopedia if memory serves.
Wiki User
∙ 12y ago
To make homemade magnetic powder, you can mix iron filings with a powdered magnetic material like neodymium. Simply blend the two materials together until they are well mixed. Be cautious when working with iron filings, as they can be easily attracted to magnets and may be messy to handle.
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