encipher Posted December 5, 2006 Share Posted December 5, 2006 Hi, I'm having trouble making magnetite from FeCl2/FeCl3 and Sodium Hydroxide. I have a bottle of PCB etchant (FeCl3), put some in a beaker, added steel wool to reduce it to FeCl2. Then filtered, added FeCl3 and began adding NaOH. The problem is this: Iron Hydroxide is forming? I don't know how to stop that, I'm getting little Fe3O4 and lots of Iron Hydroxide. I thought it was the Etchant (impure) so I dissolved iron filings in HCl to get FeCl2. I added FeCl3.. and did the same procedure.. with the same result =( I'm not sure what to do? Any ideas on better ways of synthesizing Fe3O4 or where in can buy it (other than online of course , because i need it rather quickly) Thanks Link to comment Share on other sites More sharing options...
aj47 Posted December 6, 2006 Share Posted December 6, 2006 Pottery Suppliers should sell it under the name of 'Black Iron Oxide'. It's rather cheap aswell IIRC Link to comment Share on other sites More sharing options...
YT2095 Posted December 6, 2006 Share Posted December 6, 2006 I seem to remember a version of this being done with Alcohol used I don`t remember the exact details though. perhaps someone else will know this method? Link to comment Share on other sites More sharing options...
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