Okay. Questions were raised about silver source, the light bulb (or
lack thereof), and using 4 batteries instead of 3.
I explained my reasons for not being concerned about the minor
impurities in the silver. I don't know if what I said made enough
sense.
I believe we can test the results with no light bulb and see just
what goes wrong as current gets too high. That will be useful
information. Then we can back off on run-time or add the bulb later
to fix it. Is this a good way to go, or should we go with a single
type of light bulb and just line up a few sources for it?
I'd like more input on the voltage question. Certainly if we're
running with no bulb, the higher voltage's problems will be
exaggerated. So do we drop back to 27 volts?
I would like to see our first experiment to be just a long run to
record the baseline behavior of the setup, work on our technique, and
then see what sort of *gunk* we've made under the microscope.
Then we could try shorter runs to start to see how particle size
changes when higher currents are involved.
We *still* have to detail procedures for using a TDS-1 or other
meter, other ppm testing methods, how to ship samples, and so on.
Plus Reid and Jim are both setting up their microscopes and I hope
they'll get enough contributions to cover at least most of their
expenditures for camera and video capture equipment. Of course I've
got work to do on the web site.
APPARATUS:
Power source: (THREE?) 9 volt batteries in series. Use alkaline
batteries since they maintain their rated voltage until nearly
exhausted.
Ballast: Do we find a light bulb or combination of bulbs that's easy
to get, or identify a couple of sources that everyone can order from
(even one of us)? Or do we leave it off for now and see what the
results are?
Vessel: 16 ounces (500 ml). Canning jars, jelly or pickle jars, or
stout glass tumblers could be used. Does overall shape make a
difference?
Water: Steam distilled, with no more than 1 or 2 ppm TDS-1 reading.
Electrodes: 2 pieces of 14 ga silver wire, 6" long, 4" wetted
length, straight and parrallel, 3/4" apart. (15.5cm long, 10.5cm
wetted length, 19mm apart.) At least .999 purity. Mount them in a
block of wood or other rigid holder that can be placed atop the
vessel. Adjust the electrode position so they will be 4" deep in 16
oz of water.
Other Equipment: Digital multimeter for measuring voltage and
current. Clip leads to connect it all together. TDS-1 (or DIST-1?)
from Hanna Instruments. Thermometer(s) to measure from below room
temp to boiling. Penlight or small flashlight.
PROCEDURE:
Wash and rinse vessel and electrodes, triple rinse with several ml of
distilled water. (How to wash? What cleaning agent?)
Fill with distilled water, 16 oz (500ml) at room temperature. Measure
and record the temperature of the water (or at least the room it was
in). Measure the beginning TDS reading if you have that meter.
(Calibration procedure needs work here.)
Wire the batteries together, plus to minus to plus to minus, etc...
Measure and record the open circuit voltage of the pack.
Wire the batteries and the meter in series with the electrodes, being
sure to set the meter range to at least the 100 milliamp range. It
will read zero until the electrodes are immersed. Then it will read
either plus or minus the number of milliamps flowing.
Immerse the electrodes, 4" (105mm) in the water. Record the initial
current flow.
Record time and current reading every few minutes or whenever
significantly changed. Observe electrodes until first wisps of
silver emerge from positive electrode and tiny hydrogen bubbles
evolve at the negative terminal. Note time and current.
Timing from the first observation of particles and bubbles, allow the
process to proceed undisturbed for the processing time. (We need to
try a number of durations and see what's going on with particle size
and concentration vs. time and current.)
Continue recording time and current every few minutes.
At the end of the processing time, note the current, then gently
remove the electrodes from the CS and wipe them off. (With what?) Stir
gently (again, with what?) and record TDS and temperature readings
again.
Store in appropriate closed jar (here's a good reason to use canning
jars) in a dark box or cupboard at room temperature.
Let's hear your input on any or all of the above and see what kind of
consensus we can reach. Thanks everyone!
Be well,
Mike D.
list-owner
[Mike Devour, Citizen, Patriot, Libertarian]
[[email protected] ]
[Speaking only for myself... ]
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