From: Boris Mohar
Subject: Re: old thread Re: DIY Soldering iron tips
References: <firstname.lastname@example.org> <email@example.com>
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Date: Tue, 29 Oct 2002 07:12:09 -0500
NNTP-Posting-Date: Tue, 29 Oct 2002 07:14:58 EST
Organization: Bell Sympatico
On Tue, 29 Oct 2002 09:15:56 +0000, John Woodgate
>I read in sci.electronics.design that Richard Steven Walz
> wrote (in <3dbe394e$0$22477$8eec23a@newsrea
>der.tycho.net>) about 'old thread Re: DIY Soldering iron tips', on Tue,
>29 Oct 2002:
>>Hmmm, I wonder if you can plate or re-plate the copper ones with iron
>>using a DC supply a nail and ferric chloride in water that we keep
>>around to etch PCB's???
>AIUI, it is unexpectedly difficult to plate iron. The plating solutions
>normally used are quite complex: iron tetrafluoroborate is one salt
>used. I would expect that a ferrous salt, rather than a ferric, would be
>appropriate, but it may be that hydrolysis prevents proper working.
>A Google search shows that the process of iron plating copper bits is
>'proprietary', and very little information is openly available about
>iron plating of anything.
So it is. I have a bunch of still functioning Metcal tips that have the
iron plating worn off. I would be very interested in finding a good
method for replaitng. Might try nickel even if it does not last as long.
Viatrack Printed Circuit Designs