url: http://escribe.com/health/thesilverlist/m62019.html
Re: CS>Godzilla cs & H2O2
From: Robert Berger
Date: Sun, 17 Aug 2003 13:38:57
> Mike,
> What is a "Godzilla?" I would likr to set up and mae some CS and
> test it to see what is in it.
> "Ole Bob"
Hi Robert,
Here's some updated info, plus a comparison of Godzilla against my
previous best cs generator.
Construction
~~~~~~~~~~~~
Godzilla has two electrodes of 12 ga wound in a flat 4-turn spiral
to fit inside a Pyrex 2 litre measuring cup. The top electrode is
about 46 inches long and the bottom is about 50 inches to allow
extra length for the risers to the top cover. The wetted area is a
bit over 11 square inches.
Straighten the wire by clamping one end in locking pliers, then
holding it in a closed door. Grab the other end with a pair of
pliers and pull to get the kinks out, then wind it in a spiral
around a 4 inch jar with a flat bottom. The spirals are a bit
springy but the 12 ga holds shape pretty well.
Open the spiral to fit inside the Pyrex. Try to keep an even spacing
between turns. Bend the risers up gradually to avoid hot spots. Slip
a plastic drinking straw over the bottom risers to eliminate current
where they pass by the upper spiral.
The lower electrode is at the 16 oz level, the upper is at the 64 oz
level. The bends to the risers are gradual with a radius of about 1
to 2 inches to minimize the concentration of current. A small
plastic drinking straw slips over the bottom risers to stop current
flow where they pass by the top spiral.
The top cover is a 10 inch child's plastic starter plate, WallMart
UPC #70652-00291, made by Arrow Plastic Manufacturing Co., Elk
Grove, Il. Don't get yellow - it will make you think the cs has
turned color. Cut a slot for the Pyrex handle and add two 6-32
screws near the spout to keep the electrodes centered in the Pyrex.
Current Source
~~~~~~~~~~~~~~
You may need a high-compliance current source to drive Godzilla,
such as this one:
http://escribe.com/health/thesilverlist/m61896.html
and the update:
http://escribe.com/health/thesilverlist/m61938.html
The initial voltage across the cell is pretty high, but it comes
down fast.
Running at 3.1 mA for 4 hrs gives 25 ppm calculated. The cs is
crystal clear. There is very minimal oxide deposit on the
electrodes.
Comparison to Previous "W" CS Generator
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
I did some runs to compare Godzilla against my previous "W"
generator. Here's the data for Godzilla:
--------------------------------------------------------------------
Started Godzilla Run #10
B is cathode. 2 litres. dw is #9. Current is 1.54mA, 134 uA/sq.in.
Fri Aug 08, 2003, 09:17:02 pm 1.5432mA
Fri Aug 08, 2003, 09:22:53 pm 1.5438mA
Fri Aug 08, 2003, 09:50:22 pm 1.5440mA
Fri Aug 08, 2003, 11:16:06 pm 1.5433mA
Fri Aug 08, 2003, 11:28:56 pm 1.5434mA <- turned off window fan
Fri Aug 08, 2003, 11:52:15 pm 1.5440mA
Fri Aug 08, 2003, 11:54:30 pm 1.5442mA
Fri Aug 08, 2003, 11:57:12 pm 1.5445mA <- getting too hot. Fan is on.
Sat Aug 09, 2003, 07:52:02 am 1.5447mA <- many small whiskers.
About 11 hrs. Here's the calcs
hrs = 11 ; brew time
I = 1.54e-3 ; current
ml = 2000 ; volume of dw
Solution
Cou = 60.98 ; Coulombs transferred
mg = 68.17 ; milligrams
ppm = 34.08 ; calculated ppm
uAin = 133.9 ; current density
--------------------------------------------------------------------
The actual ppm is lower than the 34 ppm calculated due to some
deposits on the electrodes.
The salt test gives instant response as soon as the crystals hit the
water, and they leave a trail as they sink to the bottom. This is
pretty strong by my standards.
Some detail is obscured on objects behind the glass. You can tell
better by raising and lowering the glass so your line of sight is
through the dispersion, then through bare glass. Keep any overhead
light from shining on the dispersion or you won't be able to see
much at all.
But the previous cs generator using a "W" and 4 straight rods would
not even reach this level. It started turning color at about 22
ppmc. I ran a test on Saturday to confirm this.
Here's the data on the "W" cs generator:
--------------------------------------------------------------------
Started Mini Run #13
W is cathode. 425 ml. dw is #10
Set the short circuit current to 344uA, 90 uA/sq.in.
Sat Aug 16, 2003, 04:33:30 pm 13.6V
Sat Aug 16, 2003, 05:51:04 pm 2.99V
Sat Aug 16, 2003, 06:17:31 pm 2.49V
Sat Aug 16, 2003, 08:12:40 pm 1.65V
Sat Aug 16, 2003, 10:08:11 pm 1.42V
Sat Aug 16, 2003, 11:32:25 pm 1.30V
Sat Aug 16, 2003, 11:56:23 pm 1.26V <- small gray whiskers on cathode
Very minor trace of deposits on electrodes. Cathode is bare silver.
Anode is black.
About 7.5 hrs. Here's the calcs:
I = 344e-6 ; current
ml = 425 ; volume of dw
sqin = 3.8 ; wetted area
hrs = 7.5 ; Brew time
Solution
Cou = 9.28
mg = 10.38
ppm = 24.43
uAin = 90.52
Sun Aug 17, 2003, 08:41:20 am
Starting to turn very pale straw yellow.
Sun Aug 17, 2003, 07:45:51 pm
Now has a nice shade of yellow.
--------------------------------------------------------------------
Conclusion
~~~~~~~~~~
The "W" generator took only about 9 hrs to start showing color at 24
ppmc. Godzilla's 34 ppmc is still clear today (Monday.)
I think the reason is the sharp ends of the straight rods have a
higher current concentration. You can see the ends are heavily worn
and rounded under a 10X microscope. The higher current forms hot
spots where the silver and hydroxyl ions combine to form silver
oxide. This aggolomerates after a while to cause the yellow tint.
Godzilla has no sharp bends to cause hot spots, so it seems to stay
clear much longer even at higher ppm.
Best Regards,
Mike Monett
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