Hook up 4 nine volt batteries in series to some copper house wire in
distilled water till you get a distinct Tyndall effect.
House wire is quite pure copper.
You'll get some black tendrils if it's not stirred.
Meters won't work. Conductivity hits around 3 uS and stays there.
No way to tell how strong it is. [Faraday maybe? ]
Shelf live is only a week or so as the copper oxidizes into a grey green
precipitate.
Copper "can be" toxic.
Ode
At 05:59 PM 3/28/2007 -0400, you wrote:
Can anyone tell me how to make homemade colloidal
copper?
Terry
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