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December 2001

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Subject:
Re: Hydrogen Peroxide Stability
From:
Brian Ellis <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 6 Dec 2001 08:53:05 +0200
Content-Type:
text/plain
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text/plain (47 lines) 
Rudy

A redox controlled system can be kept perfectly stable with zero risk of
either oxygen or chlorine formation. The secret is to have the redox
electrode with a motor-driven wiper to keep it clean.

Brian

"" wrote:
>
> Peroxide CAN BE kinda scarey stuff.
>
> Peroxide, by itself, as received, in the original container, and kept under
> 100, or so, is nothing to be scared of.....however, when mixed with Copper,
> even in small amounts, it can go away (decompose) into water and Oxygen gas
> and if mixed with relatively large amounts of Copper, as it is in an etch
> replenisher, it can be more exciting than you want it to be.
>
> However, remember also, that with the correctly designed introduction
> equipment, this stuff can run forever with not a hitch, and is and has been.
>
> The key is to talk to people who have designed this kind of stuff, they have
> figured it out real nicely.
>
> Rudy Sedlak
> RD Chemical Company
>
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