An Atomic Absorption Spectrophotometer will measure PPM.


Got 10 to 250 grand, a big closet to put it in and a techie to run it?

Not me.
 I'll hang with a good guess.

Ode



At 07:01 PM 8/15/2008 -0400, you wrote:

However TDS meters don't measure colloidal silver directly and so you
need to multiply the reading on the TDS meter by a constant to get an
estimate of the colloidal silver ppm.




Steve, what measures ppm? I know it's been mentioned on this site but I was not ready to really pay attention. thanks. Faith G.





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