Subject: What type of magnetic materials are we finding in typical potting soil?
Date: Sat Oct 14 00:27:12 2000
Posted by Ryan
Grade level: 7-9
School: Indian Trails
City: Winter Springs State/Province: FL
Country: USA
Area of science: Chemistry
ID: 971497632.Ch
Message:
Using a magnet, we have extracted material from potting soil floating in
water. Question: How do I determine what type of metals these are? They
are thin black/grey pieces. Are these what they call 'Rare Earth
Metals'? Do they call these 'ferrites'?
Thanks,
Ryan,
Student
Re: What type of magnetic materials are we finding in typical potting soil?
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