Okay, we've heard some really good arguments in favor and against ionic 
silver and particulate silver from both camps. A lot of important information 
has been conveyed through this thread and I am grateful to all of the authors 
who have contributed to it. One of the issues that caught my attention was 
that ionic silver forms silver chloride when it combines with the salt in out 
bodies. What about particulate silver? Won't the exposed surface area of it 
do the same thing? Is their some covalent bonding issue that keeps this from 
happening?

A silver coin is just a really big particle of silver and the outer surface 
of it will tarnish (silver oxide) when it is exposed to air. Won't the 
exposed surface area of smaller silver particles (mesosilver) form silver 
chloride when exposed to NaCl? It's my understanding that the exposed surface 
area is what is responsible for killing pathogens. Perhaps silver chloride is 
what is killing the pathogens. Once again, thanks for all of the good 
contributions to this thread.

Andy