Andy wrote:

> 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?

Metallic silver particles do not combine with chloride to form silver
chloride.


> 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.

Silver chloride is an insoluble salt with little or no anti-microbial
properties compared to
metallic silver.

frank key



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