George,
1.) I can't remember the exact amount, but I believe I have
used up to 15 or 20 drops (sometimes more) of 3% H2O2 for
about 20 ounces of CS, depending on the strength of the CS.
Wait a few days after making the CS before adding H2O2.
Also, if you cap the bottle the reaction continues longer if
you are trying to get it to clear.
I think I have heard one teaspoon per gallon... One quarter
teaspoon is about 20 drops, one teaspoon is about 80 drops,
but drops vary in size so this is only approximate.
If you are using 35% food grade H2O2, that would only be a
few drops (divide by 10 approximately).
2.) Generally, people are recommending a maximum of 1 to
1.5 mA per square inch of wetted anode. I think you could
go higher, depending on how good your stirring is. The
thinking is that lower currents give you smaller particles,
and higher currents cause agglomeration of silver into
larger particles.
Using H2O2 after making as described above should break up
these larger particles.
You should use the Faraday Equations spread sheet to
determine how much silver you are releasing into the water.
The Equations will give you the *maximum* amount of silver
released, but you will loose some as buildup on your
electrodes unless you use polarity switching.
Dan
George Knoll wrote:
I have some questions.. as I want the most effective CS I can make
and the best quality..
No. 1.. When one adds H2O2 how much per quart...
then I assume you would multiply the by 4 for a gal.
No.2 I have 4 sq in of Silver bar in a qt jar and start
my current at 4 mA on my power supply..
As the process continues over time the density
of silver builds up in the water and the mA will increase
to over 15 mA. My question is would it not be better to
lower the mA back to 8 or less to have a better product?
Lowering the mA wil prolong the process. taking longer
but my goal is quality. Does it make a difference My voltage starting out
is 30 volts. On my present setup to bring the mA down requires less
volts. I have order a 40 mA dc light bulb and that will help
Let me know your thoughts.l I hope this also helps some new be
CS makers
George Knoll
[email protected]
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