url : http://escribe.com/health/thesilverlist/m59992.html
Re: CS>$$$ perpectives
From: Robert Berger
Date: Mon, 9 Jun 2003 18:25:24
> Mike,
> You aren't listening, or should I say reading.
> I make 2 gallons of 30 to 40 true PPM using 35 volts with a
> regulator set to turn on at 12.6 ma or 320 microamps /sqin of
> anode Time, five hours, and this is were I shut down. Crystal
> clear sub nano in size, and stays that way!!!!!
> TEM's to prove it!!!! They only cost $75.00 per copy!!! Do it and
> report back.
> "Ole Bob"
Hi Robert,
A current density of 320 uA/sq. may be a good value, although I
prefer running much lower.
As I understand it, you have a curved plate for the anode, and a rod
for the cathode. This means the current density is greater at the
cathode, which is the location where misting will start. One way to
check is to turn off the stirring and let it run until it just
starts to mist. That shows the location of the highest current
density. On a flat plate, it starts at the edges.
If the current stayed at 12.6 mA the whole brew time, you would
transfer 226 Coulombs. This would produce 6.69 ppm/hr in 2 gallons,
for a total of 33.49 ppm. Here's the equations:
gal = 2 ; number of gallons
hrs = 5 ; hours
I = 12.6e-3 ; current in Amperes
ml = 3785.41 * gal ; milliliters
x = 1e6 * 107.87 / 96485 ; x = 1117.99
sec = hrs * 3600 ; seconds
C = I * sec ; coulombs
ppm = x * C / ml ; parts per million
ppmhr = x * I * 3600 / ml ; ppm per hr
Here's the results. Please check my numbers to make sure I didn't
goof somewhere:
Variables:
C = +226.800000000000
gal = +2.00000000000000
hrs = +5.00000000000000
I = +0.01260000000000
ml = +7570.82000000000
ppm = +33.4919941771666
ppmhr = +6.6983988354333
sec = +18000.0000000000
However, you mentioned earlier that it takes 5 hrs for the current
limiting to set in, and you mentioned most of the ppm is deposited
in the last 50 minutes.
http://escribe.com/health/thesilverlist/m59416.html
So the total ppm may be a bit lower than calculated above.
One way to test is to put some in a glass and add a few shakes of
salt. A strong concentration will show an immediate response and
produce a strong dispersion.
A weak concentration may only show up after several minutes when the
salt is completely dissolved. It may be difficult to see the cloud
even when you put a lamp nearby for sidelighting.
Finally, a recent post mentioned difficulty getting correlation
between different PWT's. So the ppm could be a bit less than
measured, which means the solution is less likely to turn yellow and
plate out. Obviously, the weaker the concentration, the less likely
this is to happen.
Can you post or email a copy of the current vs time curve? I will
integrate it to get the total Coulombs, which will indicate the
upper bound for the ppm.
Best Regards,
Mike Monett
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