jmdlcar said:@Gsracer, Which one did you at Walmart muslin can I have the link? The cathode how thick is the 304 Stainless Steel? I found one 0.05" thick, 0.104" thick and another one 3/16" thick.
jmdlcar said:I have a 4 x 6" SS 304 20ga do you think it to thin to use?
Lou said:@GSracer,
The voltage decreases the shorter the anode to cathode gap is. The amps increase, the closer the anode to cathode gap is. The electrons move more easily. Likewise, with your shot, the amps went up because you had more surface area.
You must be vigilant that you don't short the cell, so periodically you have to knock it down. In a "production" Thum cell I once had six of, we used a 30"x60" piece of CP Grade 2 titanium that was 16 gauge. We bolted buss bar to the top of them.
jmdlcar said:@Gsracer, I should have said in the last message I wrote your last cell look great and good job.
jmdlcar said:Do you still get sludge?
jmdlcar said:In this picture how did you hook the Stainless Steel wire to the Stainless Steel Plate?
FrugalRefiner said:Thanks Lino. I already do a similar thing. I created some 100g./liter copper nitrate, then did successive dilutions, saving small samples along the way. I have some small sample vials with the varying concentrations and I compare them to the electrolyte in the cell. Other contaminants can affect the color, but since I process primarily sterling, copper predominates. It's close enough to let me know when the copper is getting high.
Dave
Gsracer said:JMD, i keep the temp of the reaction between 165-175 deg f during the reaction and around 190 towards the end to boil off any remaining nitric.
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