Evening Kathryn,
>> At 01:34 PM 10/22/2008, you wrote:
It is funny, I can get it at the grocery store. It is one specific
brand, and says on the label "suitable for laboratory use".
I think some labs, if not most, use double distilled water.
Likely they have selected brands or sources, or make it.
My scientist friend gave me some but I did not use it for CS, I used
it for experiments.
We wanted our solutions to be as pure as possible.
me to even consider using it, except in an emergency, maybe I would
think about it, still 50 uS is better than my tap water, which has
lots of minerals in it.
Sounds like much trouble. it might be less to make it.
>> My system is pretty rudimentary too, it is silver wire (.9992)
batteries, wires, and
>> a potentiometer ( or one could use a resistor). No timer or
anything, though that would be easier.
No LED ? They are great and one resistor in the circuit.
I just use a stop watch.
One has to decide if they want to be manual or automatic.
With a current meter, a timer, hands, and a brain, I guess that may
be "semi automatic".
Wayne
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