Volatile buffers for lyophilization

[Jeffrey Yuziuk]

Matt Parker (at332 at FreeNet.Carleton.CA) wrote:

: 	We are currently using 20 mM ammonium bicarbonate as the
: last buffer before lyophilization in our protein prep. Does anybody
: have any suggestions for better buffers? We are having a hard time
: getting all of the salt to evaporate.
: 				Thanks!

: 				Matthew Parker
: 				Agriculture Canada

I'm sorry if this is obvious, but how about ammonium hydroxide?

Jeff