An old book(1932)I have says to use ammonium citrate,mixed 1 tablespoon to a pint of water to remove rust on tools.I'm told a modern use for ammonium citrate is as wood bleach . Try an ask for wood bleach at better paint and hardware stores
sam lingo pleasanton tx
>From: Steve Maas <stevem@nonlintec.com>
>To: classicrendezvous@bikelist.org
>Subject: [CR]Rust never sleeps...
>Date: Wed, 24 Mar 2004 21:19:15 -0800
>
>Ok, I realize that, as someone who specializes in noise and
>distortion, I can get excited about things that hold absolutely no
>interest for normal people. Still, one of my greatest problems in
>dealing with old bikes is rust. So, I did a little searching around
>the internet (mainly because I've pretty much forgotten all my
>college chemistry) and came up with a couple links. Interesting, at
>least to us geeks.
>
>First, for some good stuff on rust and rust removal chemistry, see
>
>http://www.team.net/sol/tech/deruster.html
>
>More practical and qualitative is the primer on rust (we geeks just
>love those puns) at
>
>http://www.metalwebnews.com/howto/rust/rust.html
>
>One continual problem I've had with derusting old bike parts is that
>naval jelly removes the rust, but leaves black gunk (I apologize for
>the technical terminology) in the former rust pits. That gunk is
>almost impossible to remove, and makes replating the part very
>difficult. According to the above, it's iron phosphate, and can be
>avoided by not leaving the jelly on too long, or by using
>hydrochloric acid instead.
>
>Cool, huh?
>
>Steve Maas
>(who probably got his brain overheated this morning, riding the
>Hetchins around)
>Long Beach, California, US of A
>
>
>
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