> > Rollo Pyro uses EDTA-Na4, I believe, to sequester rotary oxidation. > Hmmm... I've got to look this property up. I really don't think EDTA can sequester non-metallic series elements, there must be a different mechanism involved. Now where did I put my Haist... JB ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.