On Sun, 13 Dec 2009 13:14:59 -0600, "Karl Townsend"
wrote:

I need some nitric acid to passivate some stainless. Anybody know of a
common local source? I see my favorite McMaster Carr don't have it.




I get both from a mail-order chemical supply here in the UK. I can't think of
any "domestic" preparations that would be mainly nitric acid. But the stuff's
so useful when you do need it that it's worth a little trouble to get a
supply.


Mark Rand
RTFM