Hi Reid,

Go back in the archives!!! I introduced and sold polarity reversal units
several years ago. At that time it was a constant voltage generator, all
electronic.

To do it with constant current I would have to use a relay for the switch.

What are you using, constant voltage or current? I will setup like I have in
the past when people come up with a new procedures and verify the results.

Have you had a commercial test of the product?

Awaiting your answers.

"Ole Bob"



Reid Harvey wrote:

> Ole Bob,
> With all due respects for your great contribution to the understanding
> of CS, you are wrong on this question.  There are several good reasons
> that I know the concentrated CS we use is not the nitrate. Firstly, I
> make this myself using only the de-ionized water and the silver rods.
> There is absolutely no other material in the process.
>
> Could it be that a missing link in your understanding is the polarity
> reversal?  I avoid the current runaway that leads to oxidation by
> switching poles every minute.
>
> A reason that I know that the Mexican CSproducts, Microdyn and Biopur
> are NOT silver nitrate is that if they were they wouldn't work in the
> saturation of our water purifiers.  As with our collaborators in
> Nicaragua, Potters for Peace, we saturate our earthenware purifiers with
> these Mexican CS products, with good results.  If Biopur and Microdyn
> were silver nitrate the silver wouldn't lodge in the purifier matrix. It
> would get washed out the very first time water was put through the
> purifier. The fact that numerous lab tests have proven that the the
> purifier is 100% effective at killing pathogens is proof that silver is
> in there. Note: the purifier is about 80% effective when the CS is NOT
> used.
>
> As I've said in a previous posting, the concentrated CS generator I use
> was made by educate-yourself.org.  The folks there have told me that to
>

> make CS that's more concentrated than the ~170ppm we get with four
> hours, additional time is what is needed.  So, for example, if you want
> ~500ppm you would operate the generator for twelve hours.
>
> You and others on this list have variously stated that it is impossible
> to make CS with concentration higher than about 30 to 50ppm.  On the
> other hand you've recently tested a CS that was about 100ppm. (That it
> was supposed to have been 500ppm suggests to me that the manufacturer
> had a bit of the current runaway, but not enough to see that the
> solution had gone gray.) Doesn't this give you a proof that the higher
> concentrations are indeed possible?
>
> I think that the doubting Thomases here should put on there thinking
> caps, and imagine that there are ways of making CS other than the ones
> we know and love.  Our resident expert Roger Altman has been gracious
> enough to provide us with equations in physical chemistry that prove
> that the higher concentrations are indeed possible. I am concerned that
> if we continue being uninformed on this process we run the risk of
> turning away those would-be entrepreneurs who could do a great service
> by providing concentrated CS in poor countries. The reality of Microdyn
> and Biopur needs desperately to be replicated in other countries.
> Regards,
> Reid Harvey
> Ceramic Industrial Designer
> The Arsenic Research Group
> Dhaka, Bangladesh
>
> Ole Bob wrote:
> Hi Reid,
> If you want concentrated Silver then buy Silver nitrate!!!
> They are buying some kind of compound. It is not Electro-colloid.!!!
>
> I have never seen an analysis of the Mexican products, but having lived
> in
> the tropics for 9 years I wouldn't trust that stuff on bet.
>
> "Ole Bob"
>
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