As I understand, silver ions are about 0.13 nanometers in diameter and that is right in the range of pore size in reverse osmosis filters. Clusters of hundreds to thousands of silver atoms would be much larger, in the 10s to hundreds of nanometers in diameter. So R.O. membranes should do nicely.

On 02/17/2015 07:15 AM, asifnathekar wrote:
Could a RO membrane perform a similar function?

-------- Original message --------
From: John Popelish <[email protected]>
(snip)
I think these ideas could be tested by placing a
semipermeable membrane between the electrodes that would
pass silver ions, but have too small pore size to pass
colloidal particles.  Then a laser beam could find out where
the visible colloidal particles are concentrated.
(snip)

--
Regards,

John Popelish


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