I believe silver can be a good candidate. Although I read that only 0.99999 (5 9s) purity can be used, I am going to try the Canadian silver coins of 0.9999 purity.
On Sunday, May 26, 2013 at 2:29:19 PM UTC-4, Josiah Zayner wrote:
-- Silver ions are considered benign to the human body, aren't they?
Silver is relatively expensive, but it is quite affordable for medical use. I used to buy the silver coins from the quite reliable web store http://www.jmbullion.com/
Look at the prices and sizes there:
1 oz (31.1g), 0.9999, 38mm x 3.29mm, 5-dollar Canadian Maple coin: $20.23;
1/2 (15.55g), 0.999, 32.5mm x 2.06mm, Sunshine Silver Round: $10.01
1/4 oz (7.77g), 0.999, 20mm x 2mm, HM Morgan Silver Round round: $5.80;
As we can see, only 1oz Canadian Maple Leaf is 0.9999 pure. Also, you can buy a little of silver wire on ebay to weld it to the coin/bar electrode.
On Sunday, May 26, 2013 at 2:29:19 PM UTC-4, Josiah Zayner wrote:
I have been testing out a bunch of different metals and they either oxidize to death on the minutes timescale or in the case of stainless steel turn the buffer orange/brown.Platinum wire is pretty expensive ~$1.00 cm^-1. Has anyone had luck with a cheaper metal at 100V or greater with TAE?I have tried:NickelStainless Steel 430Tinned CopperThinking of trying Titanium or Nickel Titanium (<= $4 meter^-1). Anyone ever tried these?Thanks,Josiah Zayner
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