##  That's quite possible for 5 PPM.

I'll not try to fathom why you think you have 5 PPM, though I can think of many reasons you wouldn't.

The best bad tool we have for this is a conductivity or EC meter.
Next worst is a TDS meter.
Neither measure PPM, but you can make a pretty close guess if you know the nuances..and a good enough guess if you don't.

To "actually" measure PPM, I can't afford the tool and don't need to. [Spectrophotometer]

Actually, I have an old obsolete surplus one that seems like it would work but haven't figured out how to use it..darn..which reminds me.
 I'm out of Oxygen and Acetylene.
..couldn't make a silver plasma if I wanted to.

Ode


At 12:33 PM 1/29/2009 -0500, you wrote:

Ode, Forgive me for interjecting. I have a silver electrolysis machine that seems to be working well but when I point the laser beam I see no colloidal reflection on the beam. I produce 5 ppm, is it perhaps all ionized?
Do you know of any home procedure to test the silver content?
Thanks
Frank
Ode Coyote wrote:


With a short circuit, electrons move directly and don't do any electrochemistry.
It's not likely to produce anything but heat.

Why are your electrodes so close together or so near the bottom?

Stir.

Ode


At 06:16 PM 1/27/2009 +0100, you wrote:

hi,

Yesterday I was doing some CS and I forgot about it when I started cooking, so time passed and when I remembered it had passed 2 and a half hours and the silver oxide sludge had build a bridge between the cathode and anode. Does this shortcut of wires affect negatively on the particle size in the solution or in any other possible way?

I use 15 volts and a 75 ohm resistor so I guess that the current must have raised to around 200mA when the wires got connected. When this happens does the anode continue liberating positively charge silver ions?

Thanks

Erik



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