Thank you M. Devour for the clarification. I do not know what the co,
means either "commercially attainable". I will certainly not buy any silver
from them.
Gaston
=========================
I don't know what they mean by "commercially attainable?" We can get silver from scientific materials supply companies like Alpha/Aeser or Aldrich that go up to 5 or 6 nines, easily. It's not cheap, but silver is evidently not that hard to refine. Stuff like that is used in all kinds of scientific applications where ultra-purity is needed.


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