With polarity shifting there are a few seconds per cycle that don't do
much as the electrochemistry reverses.
If I recall, the current stays constant, but the voltage makes a swing, so
the EIS chemistry shifting may be "delivering" current like a battery for a
few seconds.
If the shift frequency is one minute, 10 or 20 seconds out of that cycle
doing nearly nothing could make a huge error in the calculations.
Ode
At 09:44 PM 6/16/2009 -0500, you wrote:
The point is, in this case, electrode size doesn't matter. If you are
conducting at the rate of 1ma and the volume of water is 1 cup, then
you release enough silver into the water in 1 hour hour to have an
equivalent of 17 ppm. This gives you a rule by which you can get a
ballpark idea of what may be going on in your brewing cell. You can
use it to estimate. Just adjust for the variables. (For current
values before you reach 1 ma, Hint: measure the current vs time and
calculate an average.)
I submit, that with polarity switching, the ppm of the product is
exactly what is calculated by Faradays Law of Electrolysis. Until you
have any fallout. And this is more accurate than measuring with a
meter...
Dan
On Tue, Jun 16, 2009 at 5:32 AM, Ode Coyote<odecoy...@windstream.net> wrote:
> At 12:56 PM 6/15/2009 -0500, you wrote:
>>
>> Missed something...
>>
>> That is "in a time period of 1 hour."
>>
>> Dan
>>
>> On Mon, Jun 15, 2009 at 12:54 PM, Dan Nave<bhangcha...@gmail.com> wrote:
>> > Two gallons is probably too much to brew at one time with most of the
>> > home generators we see.
>> > You would be better off starting out with a pint or a quart. (approx.
>> > 500 to 1000ml)
>> >
>> > My rule of thumb is that the maximum amount of silver released into 1
>> > cup of water at 1 milliamp current in 1 hour is equivalent to
>> > approximately
>> > 17ppm. You can extrapolate from this rule. Just use your reasoning
>> > abilities, if you have any... (I assume you do)
>> >
>> > Dan
>
> ## Using how much electrode, at what distance and assuming that the first
> few hours were actually running at 1 milliamp when that's not very
likely if
> the water is good.
>
> Ode
>
>
>
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