Wayne Fugitt wrote:
Morning Marshall,
>> At 10:18 AM 11/12/2007, you wrote:
If you use AC you must understand that there are two reactions that
occur at the electrode. One is an oxidizing reaction and the other
reducing.
Is there any worthwhile advantage to using AC ?
If you are talking about HVAC then it can make CS more rapidly than LVDC
(with or without polarity reversing) since it does not require you to
maintain 1 mA or less current per square inch to get good product.
If there was, more of us would be doing it, would we not ?
Depends on what you mean by AC. Many if not most of us do use polarity
reversal, which is a low frequency AC. I certainly do, 1 minute per half
cycle.. If you mean higher frequencies like 60 hertz, then I doubt it,
not many people want to deal with 10,000 volts, nor purchase $2,000
worth of liquid refrigeration equipment.. I used to, but was limited to
about 10 PPM, and needed to go to 20 PPM.
Surely anyone can wire one diode or a simple full wave bridge into the
circuit. Some of them cost near nothing, have 4 leads, and are
labeled AC, AC, + and - ..........
I would certainly think so. But I prefer to use a bench supply, which
allows me to change the voltage, and read the current easily. I use a
7805 with a resistor to make it constant current.
I must be missing something, .......... or someone else is.
Not sure what you mean.
Then, when all else fails, they could plug into the telephone jack.
That is about as complicated as wiring up a diode.
There are those that use that.
Marshall
Wayne
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