Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

Ed,

I have experienced some weird situations when using Muriatic acid and hydrogen peroxide to etch. The first couple of times I etched, EVERYTHING metal in the room that I used oxidized over the next couple of days. So yes, there is a small chance that etching can damage nearby electronics. However, I would call your local FD (non-emergency #) and have them check the house for CO levels.

Best of luck,
-Kevin Wolf







-----Original Message-----
From: James Reed <jsreed@...>
To: homebrew_pcbs@yahoogroups.com
Sent: Wed, 23 Jan 2008 4:37 pm
Subject: RE: [Homebrew_PCBs] Safety Question – Carbon Monoxid e & Homebrew PCB











Ed,

Have a Heater-Air professional inspect your furnace. If there's a crack in the
heat exchanger, or a venting problem, CO2 can build in the house.
________________________________

> To: Homebrew_PCBs@yahoogroups.com
> From: ed.slatt@...
> Date: Wed, 23 Jan 2008 21:23:18 +0000
> Subject: [Homebrew_PCBs] Safety Question – Carbon Monoxide & Homebrew PCB
>
>
> Hello,
>
> Do any of the basic homebrew PCB processes put off Carbon Monoxide?
> Do any of the processes put of any chemical that can trick/damage CO
> detectors? My middle level CO detector went off a few days ago.
> After talking myself back into the house I changed batteries in all of
> my fire/CO detectors and swapped the upstairs detector for the middle
> level detector that triggered. A few days later the new middle level
> detector went off. The offending location is on a hallway ceiling
> that is half way between the garage where I park my car and the
> basement where I etch/tin PCBs. I've been doing both for ~2 years
> with out an alarm. My house is heated via NG. Any comments or
> suggestions will be greatly appreciated.
>
> Ed
>

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