<x-html><!x-stuff-for-pete base="" src="" id="0" charset=""><HTML><FONT FACE=arial,helvetica><FONT SIZE=2>My recollection is that solvent for the CNBr digestion may be important.
<BR>Formic acid at the concentrations typically used is sufficiently reducing to
<BR>affect disulfides. However, I do not have direct experience with its effect
<BR>on Met-Os. HCl and TFA are alternative solvents.
<BR>
<BR>Ronald L. Niece, Ph.D.
<BR>Research Resources & Technologies
<BR>2942 Ballesteros
<BR>Tustin, CA 92782 USA
<BR>Voice 714-508-7503
<BR>FAX 714-508-9587
<BR>Wireless 714-299-9800</FONT></HTML>
</x-html>
This archive was generated by hypermail 2b29 : Wed Nov 21 2001 - 14:16:55 EST