[NewCandle] Platinum counter-electrode
avalonbiker at yahoo.com
Mon May 10 15:27:14 EDT 2010
Well, fancy that... platinum wire you say:) How much ya need? One of the advantages of working with high temperature type R and S thermocouples over the years is that ya get a stash of Pt wire built up from dead units (well, and some of the Pt-10%Rh too) I could send you maybe a max length of about 12 to 18 inches as a contiguous piece. I keep it around otherwise for occasional crafting and for catalytic fun.
> From: Keith Nagel <NewCandleAdmin at ipdiscover.com>
> Subject: [NewCandle] Platinum counter-electrode
> To: "New energy for the new world." <newcandle at ipdiscover.com>
> Date: Monday, May 10, 2010, 2:45 PM
> I turned the house upside down shook,
> and out popped my
> platinum wire and the old electrode! It looked a little
> long in the tooth, so I rebuilt it and sealed it
> with hot glue. Testing produced the same results
> as it did the last time I messed with it; poor stability.
> This despite glowing reports like so.
> My basic design is identical to this.
> and I assumed like the author that my problems
> had to do with leakage into the body of the
> probe and the bimetal junction. The hot glue
> does not seem to be providing a good seal after
> Any advice about sealing these elecrodes? At over
> 100USD per foot of wire, there's a big cost
> savings to be had using short segments of active
> material. I don't like the idea of using epoxy
> to begin with, or hot glue for that matter, due
> to contamination issues.
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