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Message from discussion Chemical attack on the 3 in 1
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Paddy Duncan  
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 More options May 17 2012, 4:58 pm
From: "Paddy Duncan" <pad...@padski.co.uk>
Date: Thu, 17 May 2012 21:58:13 +0100
Local: Thurs, May 17 2012 4:58 pm
Subject: RE: [london-hack-space] Re: Chemical attack on the 3 in 1

Hi,
I've done the chuck and the other thing, they are fine now..
Paddy

  _____  

From: london-hack-space@googlegroups.com
[mailto:london-hack-space@googlegroups.com] On Behalf Of Simon Howes
Sent: 17 May 2012 18:42
To: london-hack-space@googlegroups.com
Subject: Re: [london-hack-space] Re: Chemical attack on the 3 in 1

Hi,

Just to recap and hopefully push signal over other noise ratio I am unable
to make it into the space to do any emergency maintenance on the machine. I
suspect more corrosion will probably take place (please see my prior email).
So if there is someone around with the know-how it'd be fantastically cool
if they could do some or any of the preventative maintenance I mentioned in
my last mail.

It's a nice machine and it's a pity whats happened to it, I hope it wont be
further corroded away.

On May 17, 2012 4:57 PM, "Russ Garrett" <r...@garrett.co.uk> wrote:

On 17 May 2012 16:37, Toby Catlin <t...@korfball.com> wrote:

> Forgive my ignorance but wouldn't a acidic gas cloud clean an oxide
> layer from metal? or is the theory the gas stripped the grease layer
> and left it exposed to moist air?

All acids will react with metal, but some acids will do it quicker
than others. Phosphoric acid (which is what we generally use for
removing rust) will react with the iron oxide a lot quicker than with
the iron. HCl will react with pretty much anything given half a chance
- it's a much stronger acid.

--
Russ Garrett
r...@garrett.co.uk

  _____  

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