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Re: [TCML] Cleaning Copper Primary Coil (withMuriatic/HydrochloricAcid)



Hehe,

I thought Adam was addressing me (David Rieben), but maybe he was addressing you? I think it's safe to say that both "Davids" agree about
the inherent dangers of HCl. ;^)

Per Wikipedia:

Concentrated hydrochloric acid (fuming hydrochloric acid) forms acidic mists. Both the mist and the solution have a corrosive effect on human tissue, with the potential to damage respiratory organs, eyes, skin, and intestines.

The 20 baume' HCl that I've come across definitely meets the criteria.
David

"the other" David (Rieben)


----- Original Message ----- From: "Harold Weiss" <hweiss@xxxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Friday, October 05, 2012 7:07 PM
Subject: Re: [TCML] Cleaning Copper Primary Coil (withMuriatic/HydrochloricAcid)


I was working with some HCl and had a lot of metal items on my bench get corroded. So yes it does fume!

David Weiss


@David,

Are you sure you're not confusing HCl with fuming H2SO4? HCl is pretty
'mild' as far as strong acids go, and it certainly doesn't fume in a
20 baume solution. I've used it many times in the past to clean
copper, and it often works beautifully. Some H2S is made when the
copper sulfides are reacted, but not a huge amount.

Enough to be rather smelly, though.


-Adam

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