New answers tagged magnetism
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A less laborious path to very fine iron dust (in fact, likely pyrophoric iron) perhaps follows from first purchasing or preparing iron(II) oxalate (a path is detailed in a reference provided below). Next, thermally decompose the salt and finally, stabilize the nano-iron product with say mineral oil.
The details on the thermal decomposition in an atmosphere ...
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Fast and easy , maybe not cheap. Look up Non Destructive Testing such as Magneflux Corp. They supply iron oxide and iron powders to perform magnetic flaw inspection . Also fluorescent liquid. The expense may be caused by minimum quantity. If you are in an oil/gas producing area there are likely pipe ( OCTG ) inspection companies that will sell/give you a ...
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