Re: pinhole Thermite rxn

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From: NFetter@aol.com
Date: Tue Mar 08 2005 - 21:14:39 PST

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From: NFetter@aol.com
Message-ID: <1f9.5c5fbf4.2f5fe03f@aol.com>
Date: Wed, 9 Mar 2005 00:14:39 EST
Subject: Re: pinhole Thermite rxn

Hi Geoff,
Any iron oxide should work, after all, Fe3O4 is just Fe(FeO2)2. The first Fe
has +2 oxidation number and the other Fe's have +3 oxidation numbers. Once the
rection starts the Al will reduce any iron oxide to iron. Fe2O3 is usually
used because it is just common rust and is very cheap.
Neil Fetter

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