Say you have distilled water, with two silver electrodes in it, separated by the diameter of the container. Say 1000ml of H2O in a 10cm wide container.
Then you apply a weak current to the electrodes: <30V, 5mA.
It is known that this will release silver into the water, creating what is called "colloidal silver". Except, some people say it will release IONS of silver in the water, in which case it is definitely NOT colloidal.
There is a lot of confusion about what's what and why people talk about "ionic colloidal silver" when ions cannot be colloids and colloids cannot be ions. Either way, it seems the biological effects of ions are vastly different from those of nanoparticles (proper colloids).
To put this debate to rest, I want to know the physics of it. My view is that such weak electrical power will not ionize atoms, therefore we must be talking about actual colloids. But I can't prove it, and I don't know the physics well enough to do so.
Hell I don't even know how to calculate exactly what current characteristics would be needed to ionize silver atoms, be it by +1 or -1 electron.