RE: [TN] Rust Removal
You can demonstrate its effectiveness easily by brightening a copper coin, adding a little washing up liquid to improve wetting also converts Coke to a reasonable flux as the acid de-oxidises and the sugar (by Fehlings reaction) keeps the metal deoxidises at soldering temps, not for electronics use obviously.
Finally on this from me you may also be able to to show your children the bad effects of too much coke by "borrowing" one of the teeth they leave under their pillows for the tooth fairy. After a few weeks immersion the tooth will disappear.

Best regards

Mike Fenner
Applications Engineer, European Operations
Indium Corporation
 T: + 44 1908 580 400
M: + 44 7810 526 317
 F: + 44 1908 580 411
 E: [log in to unmask]
W: www.indium.com
Leadfree: http://Pb-Free.com

-----Original Message-----
From: TechNet [mailto:[log in to unmask]]On Behalf Of Albin, David
Sent: Tuesday, December 04, 2001 3:04 PM
To: [log in to unmask]
Subject: Re: [TN] Rust Removal

Since Dave just mentioned it....

One thing you might actually try (depending on your article to be de-rusted) is Coke itself....

It being a dilute phosphoric acid solution & all.

Just a thought

        Regards,
        David Albin
        Coates Circuit Products

-----Original Message-----
From: David Hillman [mailto:[log in to unmask]]
Sent: 04 December 2001 14:36
To: [log in to unmask]
Subject: Re: [TN] Rust Removal


Hi Earl! One method of "removing" rust which hasn't been mentioned is
electrochemical reduction. It is expensive, time consuming and probably
wouldn't make sense for your application but it is one of the more common
methods used in marine artifact restoration. A good use example is the
restoration of the Hunley submarine.

Well, time for a Coke (or I could swipe one of Doug's Dews).

Dave Hillman
Rockwell Collins
[log in to unmask]




Earl Moon <[log in to unmask]>@ipc.org> on 12/04/2001 07:55:04 AM

Please respond to "TechNet E-Mail Forum." <[log in to unmask]>

Sent by:  TechNet <[log in to unmask]>


To:   [log in to unmask]
cc:

Subject:  Re: [TN] Rust Removal


Rudy, and others on and off line, I appreciate your input. I especially
like
Rudy's caution about what damage rust, and its removal, does to ferrous
surfaces.

I can't think of anything else about this subject/pot that deserves
stirring. However, I bet someone else can.

MoonMan

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