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I too have been pursuing the "black rust" issue, which is primarily magnetite. It has the same chemical composition as the red rust, but the iron/oxygen ration is different. Also, the black rust is...

This, this is a very good thing. Knowing that it works, for certain now. Finding the correct combination(s), well, we can keep doing that till we run out rusty razors. I also don't see a permanent...

So I got home from work and determined three things:


I can't find my multimeter. I'll have to pick one up tomorrow.
I don't have any steel with a higher than average iron content that is...

I'll do a brief overview of a couple of things and then dig out some chemistry texts I have buried away after college if the population wishes for a more in-depth explanation.

To directly answer...

Randy --

Thanks for the input and the forewarning regarding the heat issue. I don't know where my multimeter is at the moment. I'll dig around tonight and see if I can find it. If not I can...

That's right, just like WhiteLion, this really kicked off in fifteen minutes:

Sorry these pictures aren't as great, but I assure you, the rust was really flying off...

...

Gents, I finally came into possession of a Henckels, probably circa 1920, that made a great candidate both for electrolysis and (drum roll) - experimentation.

The blade is in pretty rough shape...