On 09/03/2014 12:59 PM, devidas bhonde wrote:
Hi Asif,
I got de-ionised water at Rs 40 / lit.
Ask some pathological laboratory, where they get their stuff from.
Those suppliers can give you distilled water at Rs 15 / lit. or de-ionised &
distilled water at Rs 40/lit.
Only plain distilled water has much lower resistance when I dip multimeter
probes. So it must be quite poor.
With 9 volt and 10 k ohm series resistor, I brewed it for three hours.
I am using 0.04 milliAmp / sq cm ( 0.25 milliAmp / sq inch)
Is this current density ok ? or needs change ?
Then the EIS has some metallic taste. No color change at all. I yet don't have
laser.
The silver wire has become dark blackish. with small flakes falling to bottom.
I think, reversing polarity every half hour may be better.
I very much agree that Indian market is mostly poorer stuff. But can't help
.... I permanently live here.....
Regards,
Devidas
If oxide is falling from the anode and silver crystal
(powder) is falling from the cathode, you are approaching
saturation for how much silver you can put into the water,
this way. And it indicates your current is high enough.
Cutting the current in half will double the brew time, but
may slightly reduce the wasted silver and give you about the
same equilibrium suspended silver or a bit more.
Blue lasers seem the most sensitive to showing a beam of
scattered light, through a colloidal suspension, because of
having the shortest wavelength. A darkened room makes it
more visible, and sending the beam nearly toward you, but
not hitting you in the eye, of course, will increase the
sensitivity. Blue lasers are now very cheap because of
being mass produced for DVD players.
--
Regards,
John Popelish
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