How to make Ferrofluid

How to make Ferrofluid
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Here's a relatively simple method to make ferrofluid, a very interesting liquid that responds to magnetic fields. You'll need the following chemicals: 20mL  ...  FeCl3 solution 10mL  ...  FeCl2 solution 150mL Household Ammonia 5mL Oleic Acid 100mL Kerosene

How  Make  

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