On Sat, 23 Feb 2013 09:46:50 -0800 Robert Macy wrote:

Soak in Brulin's Unicide 256, uncut.
Actually will migrate some of the metal back

Googling, I find the MSDS over he
http://brulin.com/cmsassets/file/msds/161042_msd.pdf

10% dimethyl-N-benzylammonium Chloride (CAS 68424-85-1)
5% Didecyldimethylammonium chloride (CAS 7173-51-5)
2.5% Ethyl alcohol

I'll look up how ammonium chloride can remove rust
since I always thought it CREATED rust!