As far as I know Tris does not interact with metal ions. I don't know it for
Hepes.
Phosphate-buffer should also be ok
MASSIMILIANO COMAI schrieb:
> I must work with peptides in presence of metals (Copper and zinc) but who
> knows a good buffer that not form complexes with those metals??
> Hepes or Tris are good or not?
> Thanks
> Max
